Download Print this page

Advertisement

EM18M-1-1T
PART NO.
3600
-6
Hydraulic Excavator
URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (E) 2006, 08
Serial No 001001 and up
This book is printed on recycled paper.

Advertisement

   Related Manuals for Hitachi EX 3600-6

No related manuals

   Summary of Contents for Hitachi EX 3600-6

  • Page 1

    EM18M-1-1T PART NO. 3600 Hydraulic Excavator URL:http://www.hitachi-c-m.com PRINTED IN JAPAN (E) 2006, 08 Serial No 001001 and up This book is printed on recycled paper.

  • Page 2

    Moreover, when replacement parts are required, be sure to use genuine Hitachi parts. Failure to do so may Write product identification numbers in the Ma- result in voiding the warranty and/or denial of field im- provements.

  • Page 3

    MACHINE NUMBERS MACHINE TYPE AND SERIAL NUMBER MODEL/TYPE: PRODUCT IDENTIFICATION NUMBER: M18M-00-001 PRODUCT IDENTIFICATION NUMBER PRODUCT IDENTIFICATION NUMBER: NOTE: Marks to indicate the start and end of the ∗HCM18M00P00001001∗ PRODUCT IDENTIFICATION NUMBER (PIN) M146-07-018 ENGINE TYPE AND SERIAL NUMBER TYPE: MFG.

  • Page 4

    MACHINE NUMBERS SWING MOTOR TYPE AND SERIAL NUMBER TYPE: MFG. NO.(FRONT LEFT) : MFG. NO.(FRONT RIGHT): MFG. NO.(REAR LEFT): MFG. NO.(REAR RIGHT): HYDRAULIC PUMP TYPE AND SERIAL M146-07-028 NUMBER TYPE: MFG. NO.(1, 2): MFG. NO.(3, 4): MFG. NO.(5, 6): MFG. NO.(7, 8): FRONT TYPE AND SERIAL NUMBER M146-07-059 (LOADING SHOVEL)

  • Page 5

    MACHINE NUMBERS FRONT TYPE AND SERIAL NUMBER (BACKHOE BOOM) TYPE: MFG. NO.: M146-07-060 FRONT TYPE AND SERIAL NUMBER (BACKHOE ARM) TYPE: MFG. NO.: M146-07-061 BUCKET TYPE AND SERIAL NUMBER (BACKHOE) TYPE: MFG. NO.: M146-01-020 CONTROL VALVE TYPE AND SERIAL Upper Right Upper Left NUMBER TYPE:...

  • Page 6: Table Of Contents

    CONTENTS MACHINE NUMBERS Remove Paint Before Welding or Heating ..S-26 Beware of Asbestos Dust........S-26 SAFETY Prevent Battery Explosions ....... S-27 Recognize Safety Information......S-1 Service Air Conditioning System Safely .... S-27 Understand Signal Words........S-1 Handle Chemical Products Safely..... S-28 Follow Safety Instructions........S-2 Dispose of Waste Properly .......

  • Page 7: Table Of Contents

    Digital Clock Setting Procedure ......1-28 Right Console ............ 1-29 Control Lever (ISO Pattern Backhoe) ....5-1 Key Switch ........... 1-29 Control Lever (HITACHI Pattern Backhoe) ..5-2 Emergency Engine Stop Switch ....1-30 Control Lever (ISO Pattern Loading Shovel) ..5-3 Engine Start Switch ........1-30 Control Lever (HITACHI Pattern Engine Stop Switch ........

  • Page 8: Maintenance Under Special, Environmental Conditions

    CONTENTS Periodic Replacement of Rubber Hoses ... 7-15 Check DCA4 Concentration in Coolant..7-85 Maintenance Interval Guide....... 7-20 Replace Coolant Filter .........7-93 A. Greasing ............ 7-24 Change Coolant ...........7-94 Loading Shovel Front Joint Pins....7-25 Clean Radiator Interior .........7-94 Backhoe Front Joint Pins ......7-28 Clean Radiator Core ........7-96 Swing Bearing ..........

  • Page 9

    CONTENTS SPECIFICATIONS Specifications ........... 12-1 Working Range (Loading Shovel)...... 12-2 Working Range (Backhoe) ........ 12-3 INDEX ............. 14-1...

  • Page 10

    SAFETY RECOGNIZE SAFETY INFORMATION • These are the SAFETY ALERT SYMBOLS. • When you see these symbols on your machine or in this manual, be alert to the potential for personal in- jury. • Follow recommended precautions and safe operating practices.

  • Page 11

    SAFETY FOLLOW SAFETY INSTRUCTIONS • Carefully read and follow all safety signs on the machine and all safety messages in this manual. • Safety signs should be installed, maintained and re- placed when necessary. • If a safety sign or this manual is damaged or missing, order a replacement from your authorized dealer in the same way you order other replacement parts (be sure to state machine model and serial number when...

  • Page 12

    SAFETY WEAR PROTECTIVE CLOTHING • Wear close fitting clothing and safety equipment appro- priate to the job. You may need: A hard hat Safety shoes Safety glasses, goggles, or face shield Heavy gloves Hearing protection Reflective clothing Wet weather gear SA-438 Respirator or filter mask.

  • Page 13

    SAFETY GENERAL PRECAUTIONS FOR CAB • Before entering the cab, thoroughly remove all dirt and/or oil from the soles of your work boots. If any controls such as a pedal is operated while with dirt and/or oil on the soles of the operator’s work boots the operator’s foot may slip off the pedal, possibly result- ing in a personal accident.

  • Page 14

    SAFETY USE HANDHOLDS AND STEPS • Falling is one of the major causes of personal injury. • When you get on and off the machine, always face the machine and maintain a three-point contact with the steps and handrails. • Do not use any controls as handholds.

  • Page 15

    SAFETY FASTEN YOUR SEAT BELT • If the machine should overturn, the operator may be- come injured and/or thrown from the cab. Additionally the operator may be crushed by the overturning machine, resulting in serious injury or death. • Prior to operating the machine, thoroughly examine webbing, buckle and attaching hardware.

  • Page 16

    SAFETY OPERATE ONLY FROM OPERATOR’S SEAT • Inappropriate engine starting procedures may cause the machine to runaway, possibly resulting in serious injury or death. • Start the engine only from the operator’s seat. • NEVER start the engine while standing on the track or on ground.

  • Page 17

    SAFETY INVESTIGATE JOB SITE BEFOREHAND • When working at the edge of an excavation or on a road shoulder, the machine could tip over, possibly resulting in serious injury or death. • Investigate the configuration and ground conditions of the job site beforehand to prevent the machine from falling and to prevent the ground, stockpiles, or banks from collapsing.

  • Page 18

    SAFETY PROVIDE SIGNALS FOR JOBS INVOLVING MULTIPLE NUMBERS OF MACHINES • For jobs involving multiple numbers of machines, pro- vide signals commonly known by all personnel involved. Also, appoint a signal person to coordinate the job site. Make sure that all personnel obey the signal person’s directions.

  • Page 19

    SAFETY DRIVE MACHINE SAFELY • Before driving the machine, always confirm that the travel levers/pedals direction corresponds to the direc- tion you wish to drive. • Be sure to detour around any obstructions. • Avoid traveling over obstructions. Soil, fragments of rocks, and/or metal pieces may scatter around the machine.

  • Page 20

    SAFETY AVOID INJURY FROM ROLLAWAY ACCIDENTS • Death or serious injury may result if you attempt to mount or stop a moving machine. To avoid rollaways: • Select level ground when possible to park machine. • Do not park the machine on a grade. •...

  • Page 21

    SAFETY AVOID INJURY FROM BACK-OVER AND SWING ACCIDENTS • If any person is present near the machine when backing or swinging the upperstructure, the machine may hit or run over that person, resulting in serious injury or death. To avoid back-over and swing accidents: •...

  • Page 22

    SAFETY KEEP PERSON CLEAR FROM WORKING AREA • A person may be hit severely by the swinging front at- tachment or counterweight and/or may be crushed against an other object, resulting in serious injury or death. • Keep all persons clear from the area of operation and machine movement.

  • Page 23

    SAFETY AVOID TIPPING DO NOT ATTEMPT TO JUMP CLEAR OF TIPPING MACHINE --- SERIOUS OR FATAL CRUSHING INJU- RIES WILL RESULT MACHINE WILL TIP OVER FASTER THAN YOU CAN JUMP FREE FASTEN YOUR SEAT BELT • The danger of tipping is always present when operating on a grade, possibly resulting in serious injury or death.

  • Page 24

    SAFETY DIG WITH CAUTION • Accidental severing of underground cables or gas lines may cause an explosion and/or fire, possibly resulting in serious injury or death. • Before digging check the location of cables, gas lines, and water lines. • Keep the minimum distance required, by law, from ca- bles, gas lines, and water lines.

  • Page 25: Object Handling

    SAFETY OBJECT HANDLING • If a lifted load should fall, any person nearby may be struck by the falling load or may be crushed underneath it, resulting in serious injury or death. • When using the machine for craning operations, be sure to comply with all local regulations.

  • Page 26

    SAFETY PARK MACHINE SAFELY To avoid accidents: • Park machine on a level surface. • Lower bucket to the ground. • Turn auto-idle switch and H/P mode switch off. • Run engine at slow idle speed without load for 5 min- utes.

  • Page 27

    SAFETY PRACTICE SAFE MAINTENANCE To avoid accidents: • Understand service procedures before doing work. • Keep the work area clean and dry. • Do not spray water or steam inside cab. • Never lubricate or service the machine while it is moving.

  • Page 28

    SAFETY • Sufficiently illuminate the work site. Use a mainte- nance work light when working under or inside the machine. • Always use a work light protected with a guard. In case the light bulb is broken, spilled fuel, oil, anti- freeze fluid, or window washer fluid may catch fire.

  • Page 29

    SAFETY PREVENT PARTS FROM FLYING • Grease in the track adjuster is under high pressure. Failure to follow the precautions below may result in se- rious injury, blindness, or death. • Do not attempt to remove GREASE FITTING or VALVE ASSEMBLY. •...

  • Page 30

    SAFETY PREVENT BURNS Hot spraying fluids: • After operation, engine coolant is hot and under pres- sure. Hot water or steam is contained in the engine, ra- diator and heater lines. Skin contact with escaping hot water or steam can cause severe burns.

  • Page 31

    SAFETY AVOID HIGH-PRESSURE FLUIDS • Fluids such as diesel fuel or hydraulic oil under pressure can penetrate the skin or eyes causing serious injury, blindness or death. • Avoid this hazard by relieving pressure before dis- connecting hydraulic or other lines. •...

  • Page 32

    SAFETY PREVENT FIRES Check for Oil Leaks: • Fuel, hydraulic oil and lubricant leaks can lead to fires. • Check for oil leaks due to missing or loose clamps, kinked hoses, lines or hoses that rub against each other, damage to the oil-cooler, and loose oil-cooler flange bolts.

  • Page 33

    SAFETY Check Emergency Engine Stop Switch: • If a fire breaks out, failure to release pressurized air in- side the hydraulic tank will escalate fire, hampering fire fighting. • Check the emergency engine stop switch function every 250 hours: Start the engine and run it at slow Idle. Turn the emergency engine stop switch to the EMERG.

  • Page 34

    SAFETY PRECAUTIONS FOR WELDING AND GRIND- • Welding may generate gas and/or small fires. • Be sure to perform welding in a well ventilated and prepared area. Store flammable objects in a safe place before starting welding. • Only qualified personnel should perform welding. Never allow an unqualified person to perform welding.

  • Page 35

    • Keep bystanders out of the work site during operation. SA-029 • Asbestos might be present in imitation parts. Use only genuine Hitachi Parts. S-26...

  • Page 36

    SAFETY PREVENT BATTERY EXPLOSIONS • Battery gas can explode. • Keep sparks, lighted matches, and flame away from the top of battery. • Never check battery charge by placing a metal object across the posts. Use a voltmeter or hydrometer. •...

  • Page 37

    • Improperly disposing of waste can threaten the envi- ronment and ecology. Potentially harmful waste used with HITACHI equipment includes such items as oil, fuel, coolant, brake fluid, filters, and batteries. • Use leakproof containers when draining fluids. Do not use food or beverage containers that may mislead someone into drinking from them.

  • Page 38

    SAFETY SIGNS M146-07-080 SS3091469 S-29...

  • Page 39

    SAFETY SIGNS SS-442 M146-01-022 SS-445 SS-688 (Loading Shovel) SS-446 SS-2835 SS-742 S-30...

  • Page 40

    SAFETY SIGNS SS-410 SS-2835 SS3108517 M18G-01-011 S-31...

  • Page 41

    SAFETY SIGNS SS-413 M146-01-024 M146-01-025 SS4193223 M146-01-025 S-32...

  • Page 42

    SAFETY SIGNS SS-449 M146-01-027 SS-710 SS-2836 SS-2837 SS-3091472 S-33...

  • Page 43

    SAFETY SIGNS MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................S-34...

  • Page 44

    COMPONENTS NAME COMPONENTS NAME Loading Shovel 1- Bucket 2- Bucket Cylinder 3- Arm 4- Level Cylinder 5- Arm Cylinder 6- Boom Cylinder 7- Boom 8- Cab 9- Emergency Rope Hook 10- Emergency Rope Case 11- Fuel Tank 12- Radiator 13- Counterweight 14- Stairway M18M-01-001 15- Travel Device...

  • Page 45: Operating Stairway

    HANDLING STAIRWAY/EMERGENCY ROPE USING STAIRWAY Always use stairway (1) when getting on and off the ma- chine. Do not attempt to climb onto or off the machine any other way. WARNING: • Always mount or dismount the machine only when the stairway is fully extended. When you get on and off the machine, always maintain a three point contact with the steps and handrails and face the machine.

  • Page 46

    HANDLING STAIRWAY/EMERGENCY ROPE Extending 1. Be sure to pull the lever (2) to disengage the lock (3) before extending. In case the lock is difficult to dis- engage, press RETRACT button (4) two to three times to disengage the lock. 2.

  • Page 47

    HANDLING STAIRWAY/EMERGENCY ROPE Emergency Operation When the stairway cannot work by trouble, retract the stairway following the procedure shown below. 1. Remove the step (1) and cover (2) under the step (1). 2. Open the valve (3) fully. 3. Place the pilot control shut-off lever to the Lock posi- tion.

  • Page 48: Emergency Escape

    HANDLING STAIRWAY/EMERGENCY ROPE EMERGENCY ESCAPE How to Use Emergency escape device is provided in case (1) at the left outside the cab. 1. Unlock latch (2) on case (1) to open the cover. 2. Hang hook (3) onto the cab upper-left surface hanger (4).

  • Page 49: Emergency Exit

    HANDLING STAIRWAY/EMERGENCY ROPE EMERGENCY EXIT If the operator’s cab door should not open in an emergency, escape in the following methods: 1. Open left window (1). Escape through the window. WARNING: Be sure to wear safety glasses before breaking the window glass. 2.

  • Page 50

    HANDLING STAIRWAY/EMERGENCY ROPE If a fire breaks out, evacuate the machine in the following way: NOTE: Beside emergency engine stop switch (6) provided in the cab, two switches are located in engine compartment and one in pump compartment. 1. Stop the engines by turning emergency engine stop switch (6) to the EMERG STOP position if there is time.

  • Page 51: Cab Features

    OPERATOR’S STATION CAB FEATURES 1- Left Console 2- Left Control Lever/Horn Switch 3- Left Travel Pedal 4- Left Travel Lever 5- Right Travel Lever 6- Right Travel Pedal 7- Right Control Lever/Horn Switch 8- Right Console M18M-01-006 9- Operator’s Seat 10- Bucket Close Pedal (For Loading Shovel) 11- Bucket Open Pedal (For Loading Shovel) 12- Pilot Control Shut-Off Lever...

  • Page 52: Monitor Display, Starting Check Screen

    OPERATOR’S STATION MONITOR DISPLAY Starting check screen and meter check screen will be dis- played when key switch is turned to the ON position. M18G-01-018 STARTING CHECK SCREEN When key switch is turned to the ON position, starting check screen will be displayed at first. 1- Coolant Level Check Indicator 2- Engine Oil Level(Oil Pan) Check Indicator 3- Engine Oil Level(Reserve Tank) Check Indicator...

  • Page 53: Meter Check Screen

    OPERATOR’S STATION METER CHECK SCREEN When key switch is turned to the ON position, meter check screen will be displayed next to starting check screen. 1- Model Name 2- Hydraulic Oil Temperature Gauge 3- Front Type 4- Coolant Temperature Gauge 5- Control Lever Pattern 6- Tachometer 7- Hour Meter...

  • Page 54: Coolant Temperature Gauge, Fuel Gauge

    OPERATOR’S STATION TACHOMETER Tachometer indicates engine speed in min (R.P.M). COOLANT TEMPERATURE GAUGE • White zone (A) : Low temperature. Warming up op- eration is required. M18M-01-011 • Blue zone (B) : Normal operating temperature. • Red zone (C) : High temperature. Coolant is over- heating.

  • Page 55: Engine Oil Pressure Gauge, Engine Oil Temperature Gauge, Hour Meter, Warning Indicators, Alternator Indicator

    OPERATOR’S STATION ENGINE OIL PRESSURE GAUGE Engine oil pressure gauge indicates engine oil pressure. M18M-01-039 ENGINE OIL TEMPERATURE GAUGE Engine oil temperature gauge indicates engine oil tem- perature. M18M-01-040 HOUR METER The right hand number indicates tenth (six minutes) of an hour.

  • Page 56: Engine Stop Indicator, Engine Oil Pressure Indicator, Coolant Overheat Indicator

    OPERATOR’S STATION PUMP TRANSMISSION OIL LEVEL INDICA- When pump transmission oil does not circulate, pump transmission oil level indicator will come ON and buzzer will sound. Stop the engine immediately. Check the oil leakage. NOTE: Cold oil, low oil level, or operating on a steep slope may cause indicator to come ON.

  • Page 57: Coolant Level Indicator, Engine Over Run Indicator, Fuel Temperature Indicator, Hydraulic Oil Level Indicator

    OPERATOR’S STATION COOLANT LEVEL INDICATOR When coolant level is lower than the warning level, coolant level indicator in yellow or red will come on. Check coolant level and the coolant leakage. NOTE: Operating on a steep slope may cause indicator to come ON.

  • Page 58: Stop Valve Indicator, Auto-lubrication Indicator

    OPERATOR’S STATION STOP VALVE INDICATOR When stop valve (4 used: 2 in the return circuits and 2 in the suction circuits) is closed, stop valve indicator will come ON. Buzzer will sound and engine will stop automatically. And the starter motor will not rotate even if engine start switch is pressed.

  • Page 59: Fast-filling Indicator, Emergency Engine Stop Indicator, Tension Indicator, Electric Lever Indicator

    OPERATOR’S STATION FAST-FILLING INDICATOR When the fast-filling panel is lowered, fast-filling indicator will come ON and buzzer will sound. The machine will not be able to swing. M117-01-091 EMERGENCY ENGINE STOP INDICATOR When the emergency engine stop switch is turned to the EMERG STOP position, emergency engine stop indicator will come ON and engine will stop.

  • Page 60: Caution Indicators, Exhaust Temperature Indicator, Engine Warning Indicator, Hydraulic Oil Overheat Indicator, Pump Contamination Indicator

    OPERATOR’S STATION CAUTION INDICATORS Caution indicators described below. EXHAUST TEMPERATURE INDICATOR When engine exhaust temperature increases abnormally, exhaust temperature indicator will become red. And when exhaust temperature of some engine cylinders is abnor- mally lower or higher than the others, exhaust temperature indicator will become yellow.

  • Page 61: Stairway Position Indicator, Air Cleaner Restriction Indicator, Electrical Equipment Box Indicator, Status Indicators, Auto-idle Indicator

    OPERATOR’S STATION STAIRWAY POSITION INDICATOR When the stairway is extended, stairway position indicator will come ON and buzzer will sound. The machine will not be able to swing. When the stairway retracts fully, stairway position indicator will go OFF and the machine will be able to swing.

  • Page 62: Travel Mode Indicator, Prelub Indicator

    OPERATOR’S STATION TRAVEL MODE INDICATOR When the travel speed mode is shifted to slow with travel mode switch, slow travel mode indicator (A) will come ON. And when the travel speed mode is shifted to fast with travel mode switch, fast travel mode indicator (B) will come M117-01-043 M585-01-010 PRELUB INDICATOR...

  • Page 63: Left Console, Warning Lamp, Caution Lamp, Monitor Contrast Switch, Key Pad

    OPERATOR’S STATION LEFT CONSOLE 1- Warning Lamp (red) 2- Caution Lamp (yellow) 3- Key Pad 4- Monitor Contrast Switch 5- Wiper Switch/Washer Switch 6- Wiper Delay Selector Switch 7- Air Conditioner Panel 8- FM/AM Radio M18G-01-017 WARNING LAMP When the warning indicators on the monitor come ON, warning lamp will come ON in red.

  • Page 64: Wiper Switch, Washer Switch, Wiper Delay Selector Switch

    OPERATOR’S STATION WIPER SWITCH The wiper can be operated with wiper switch (1) as follows: OFF position (2): Deactivated INT position (3): Wiper operates intermittently. LOW position (4): Wiper continuously operates in slow speed. HIGH position (5): Wiper continuously operates in fast speed.

  • Page 65: Air Conditioners

    OPERATOR’S STATION AIR CONDITIONERS This machine is equipped with three air conditioners, all located in room under the cab. Airflow vents for these air conditioners are located inside the cab at the front, side, and rear, respectively. Moreover, three air conditioner con- trol panels are provided in the cab, each designated for one of the three air conditioners.

  • Page 66: Designations And Functions Of Controls

    OPERATOR’S STATION DESIGNATIONS AND FUNCTIONS OF CON- TROLS 7. Power Switch 8. Air Conditioner Switch 9. Ventilation Shift Switch 10. Temperature Control Switches 11. Blower Control Switches M18G-01-039 12. Air Conditioner Indicator 13. Ventilation Indicator 14. Temperature Indicator 15. Blower Speed Indicator 16.

  • Page 67

    OPERATOR’S STATION • Blower Control Switches (11) Press blower control switches (11) to control blower speed. Each time blower control switch (11) is pressed, the blower fan speed is increased from OFF to low, to medium, and to high. Each time blower control switch (11) is pressed, the blower fan speed is decreased from high to me- dium, to low, then it will be turned OFF.

  • Page 68: Cooling, Dehumidifying And Heating

    OPERATOR’S STATION COOLING Set the temperature to the lowest setting using temperature control switch (10). (Repeatedly press temperature control switch (10) until only the leftmost indicator (14) is on.) Press blower control switch (11) to turn on the blower fan. Press air conditioner switch (8). (Air conditioner indi- cator (12) should turn on.) Cool air will flow from the vents.

  • Page 69: Defrosting, Blower Operation Without Cooling Or Heating, Ventilation The Cab

    OPERATOR’S STATION DEFROSTING Set the temperature to the highest setting using tempera- ture control switch (10). (Repeatedly press tempera- ture control switch (10) until all temperature indicators (14) turn on.) Repeatedly press blower switch (11) to the high speed position (until blower indicator (15) comes to high speed). Adjust front air flow vents (1) and side air flow vents (2) so that the air flow is directed toward the windshield.

  • Page 70: Am/fm Radio Operation

    OPERATOR’S STATION AM/FM RADIO OPERATION Radio Controls on the radio 1- Power Switch/Volume Control Knob 2- Tone Adjustment Ring 3- AM/FM Switch 4- Station Presets 5- Tuning Switches 6- Display Mode Change Switch 7- Digital Display 8- Time Set Switches M18G-01-017 Tuning Procedure •...

  • Page 71: Digital Clock Setting Procedure

    OPERATOR’S STATION Station Presetting Procedure 1. Select the desired station using tuning switches (5). (Refer to the “Tuning Procedure” section.) 2. Press and hold one station preset (4) for more than 1 second until an electronic tone is heard. Now, the selected station is preset for the selected station preset.

  • Page 72: Right Console, Key Switch

    OPERATOR’S STATION RIGHT CONSOLE 1- Emergency Engine Stop Switch 2- Engine Speed Control Dial 3- Engine Start Switch 4- Dome Light Switch 5- Entrance Light Switch 6- Auto Idle Switch 7- Fast-Filling Switch 8- Key Switch 9- Buzzer Stop Switch 10- Travel Mode Switch 11- Maintenance Light Switch 12- Work Light Switch...

  • Page 73: Emergency Engine Stop Switch, Engine Start Switch, Engine Stop Switch

    OPERATOR’S STATION EMERGENCY ENGINE STOP SWITCH EMERG. STOP NORMAL 1. Turn emergency engine stop switch from the NOR- MAL position to the EMERG STOP position when emergency engine stop is required. 2. Engine will stop. 3. Turn emergency engine stop switch to the NORMAL position before attempting to restart the engine.

  • Page 74: Engine Speed Control Dial

    OPERATOR’S STATION ENGINE SPEED CONTROL DIAL Engine speed can be controlled with engine speed control dial. • The fully clockwise position (1): Fast Idle • The fully counterclockwise position (2): Slow Idle M18M-01-004 M18G-01-040 1-31...

  • Page 75: Work Light Switch

    OPERATOR’S STATION WORK LIGHT SWITCH All 9 work lights (1) will be turned ON with work light switch. In addition, illumination for key pad (2), air conditioner panels (3) and radio (4) will be turned ON. On the cab roof toward front (2 pieces) On the room under the cab toward front (2 pieces) On the step in front of the right unit toward front (2 pieces) On the back of the engine unit toward left back (1 piece)

  • Page 76: Dome Light Switch

    OPERATOR’S STATION DOME LIGHT SWITCH All 2 dome lights (1) located on the front and rear part of the cab ceiling will be turned ON with dome light switch. M18M-01-019 Front M18G-01-043 M18G-01-044 Rear 1-33...

  • Page 77: Maintenance Light Switch

    OPERATOR’S STATION MAINTENANCE LIGHT SWITCH All 7 maintenance lights (1) will be turned ON with maintenance light switch. In room under the cab (1 piece) In pump room (1 piece) In engine room (2 pieces) In radiator room (1 piece) In oil cooler room (1 piece) On engine unit for the control valve (1 piece) M18G-01-033...

  • Page 78: Entrance Light Switch

    OPERATOR’S STATION ENTRANCE LIGHT SWITCH All 2 entrance lights (1) will be turned ON with entrance light switch. NOTE: Entrance lights (1) will stay ON depending on the delayed power OFF time after the key switch is turned OFF with entrance light switch M18G-01-033 M18M-01-027 M18M-01-028...

  • Page 79: Travel Mode Switch, Auto-idle Switch

    OPERATOR’S STATION TRAVEL MODE SWITCH Slow travel speed and fast travel speed can be selected with travel mode switch. Slow mode : Slow travel mode indicator is displayed in the part (1) of monitor. Fast mode : Fast travel mode indicator is displayed in the part (1) of monitor.

  • Page 80: Buzzer Stop Switch

    OPERATOR’S STATION BUZZER STOP SWITCH The buzzer will sound in the following cases. 1. Pump transmission oil does not circulate. (Pump transmission oil level indicator (38) comes ON .) 2. Hydraulic oil tank oil level is low. (Hydraulic oil level indicator (21) comes ON also.) 3.

  • Page 81: Fast-filling System

    OPERATOR’S STATION FAST-FILLING SYSTEM This machine is equipped with the fast-filling system for adding fuel, hydraulic oil, gear oil, engine oil, coolant and grease on the ground. Fast-filling panel (1) at the rear of the machine will be raised or lowered with fast-filling switch as follows. 1.

  • Page 82: Rear Console

    OPERATOR’S STATION REAR CONSOLE 1- Cigar Lighter 2- Fuse Box 3- DLU Download Connector 4- ECM Data Link Connector M18M-01-007 T18G-01-02-026 1-39...

  • Page 83: Horn Switch

    OPERATOR’S STATION HORN SWITCH The horn (1) will continue to sound while horn switch is kept pressed. WARNING: If horn (1) does not sound when pressed, immediately stop the engine and contact your authorized dealer. Operating the machine with a malfunctioning horn may result in personal injury or death.

  • Page 84: Adjusting The Seat

    OPERATOR’S STATION ADJUSTING THE SEAT 1- Seat Inclination Adjustment Lever 2- Seat Fore-Aft Adjustment Lever 3- Seat Height Adjustment Lever 4- Seat/Armrest/Backrest Fore-Aft Adjustment Lever 5- Seat/Backrest Fore-Aft Adjustment Lever 6- Backrest Adjustment Lever 7- Armrest Height Adjustment Lever Seat Inclination Adjustment Pull lever (1) up to adjust the seat cushion angle (8 posi- tions in 2.5 °...

  • Page 85

    OPERATOR’S STATION Seat/Backrest Fore-Aft Adjustment Pull lever (5) up to adjust the seat/backrest fore-aft posi- tion. The adjusting positions are provided in 12 places in 10 mm increments. Seat Height Adjustment IMPORTANT: The seat is supported by the air suspen- sion system.

  • Page 86

    OPERATOR’S STATION Backrest Adjustment Pull lever (6) to adjust the tilt angle of the backrest. The backrest can be tilted forward up to the level position. The backward tilt adjusting positions are provided in 2 ° increments up to 80°. WARNING: Adjust the backrest tilt angle while keeping your back in contact with the backrest.

  • Page 87: Seat Belt

    OPERATOR’S STATION SEAT BELT WARNING: Be sure to use the seat belt when op- erating the machine. Before operating the machine, be sure to examine belt (1), buckle (2), or attaching hardware. Re- place belt (1), buckle (2), or attaching hardware if they are damaged, or worn.

  • Page 88: Cab Door Release Button, Opening Cab Left Window

    OPERATOR’S STATION CAB DOOR RELEASE BUTTON When opening the cab door, lock it in the fully opened po- sition. CAUTION: Open the cab door all the way until it securely locks in the latch on the side of the cab. Push button (1) to unlock the door.

  • Page 89

    OPERATOR’S STATION MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................1-46...

  • Page 90: Observe Machine Closely, Every 10 Hours Or Each Shift

    BREAK-IN OBSERVE MACHINE CLOSELY IMPORTANT: • Be extra cautious during the first 50 hours, until you become thoroughly familiar with the sound and feel of your new machine. • Do not attempt to travel the machine at full speed before the break-in pe- riod is over, as the lower rollers and front idlers may seize.

  • Page 91: After The First 50 Hours

    BREAK-IN AFTER THE FIRST 50 HOURS 1. Check coolant, engine oil, and hydraulic oil level and for leaks every day. Refill with the recommended oils and coolant. 2. Check and grease the greasing points at the regular intervals. Grease the front attachment pins every day. 3.

  • Page 92: Inspect Machine Daily Before Starting

    OPERATING THE ENGINE INSPECT MACHINE DAILY BEFORE STARTING Backhoe Front Attachment Arm Cylinder Boom Bucket Cylinder Link B Link A Loading Shovel Front Attachment Level Cylinder Bucket Boom Cylinder Boom Boom Cylinder Bucket T146-01-03-002 Swing Device Lubricator Oil Cooler Hydraulic Oil Tank Muffler Battery Air Cleaner...

  • Page 93: Before Turning Power On

    OPERATING THE ENGINE BEFORE TURNING POWER ON 1. Confirm that pilot control shut-off lever (1) is in the LOCK position. 2. Confirm that all control levers are placed in neutral. 3. Adjust the seat to allow full pedal and control levers stroke with operator’s back against the backrest.

  • Page 94: Turning Power On

    OPERATING THE ENGINE TURNING POWER ON 1. Turn key switch (1) to the ON position. 2. Starting check screen (2) will be displayed on the monitor. 3. Fluid level check is automatically performed. Level check indicators for coolant (3), engine oil in oil pan (4), engine oil in reserve tank (5) and hydraulic oil (6) will become green when fluid levels are appropriate.

  • Page 95

    OPERATING THE ENGINE NOTE: 1. Level check screen (11) will be displayed Monitor Display when press button (10) on key pad. 2. Level check screen (11) shows up only when the engine is not running. 3. Meter check screen (8) will be displayed again with button (10) on key pad.

  • Page 96

    OPERATING THE ENGINE 7. Make sure not faults exist before starting engine. If any fault messages (14) exist, fault mark (15) will Key Pad appear. Press button (16) on key pad and current fault list (17) will be displayed. Meter check screen (8) will be displayed again with button (18) on key pad.

  • Page 97

    OPERATING THE ENGINE 8. Make sure not alarms exist before starting engine. If any alarm messages (19) exist, alarm mark (20) will Key Pad appear. Press button (21) on key pad, current alarm list (22) will be displayed. Meter check screen (8) will be displayed again with button (18) on key pad.

  • Page 98

    OPERATING THE ENGINE MONITOR SCREEN FLOW -1 Power ON Starting Check Screen Level Check Screen M18M-03-001 M18M-01-008 Automatic If Engine is not running Meter Check Screen M18M-01-009 Current Alarms List Current Faults List M18M-03-005 M18M-03-003...

  • Page 99: Starting The Engine

    OPERATING THE ENGINE STARTING THE ENGINE 1. Turn engine speed control dial (1) to the slow idle position. 2. Turn auto-idle switch (2) OFF. 3. Sound the horn with either one of both horn switches (3) to alert bystanders. 4. Press and hold engine start switch (4) until the engine starts.

  • Page 100: Starting In Cold Weather

    OPERATING THE ENGINE STARTING IN COLD WEATHER WARNING: Prevent possible injury from explod- ing container. Starting fluid is highly flammable. Keep container away from heat, sparks, and open flame. Contents are pressurized. Do not puncture or incinerate container. Remove container from machine if engine does not need starting fluid.

  • Page 101: Check Instruments After Starting

    OPERATING THE ENGINE CHECK INSTRUMENTS AFTER STARTING IMPORTANT: Prevent possible damage to engine. If warning indicators described below do not go OFF after starting engine, IMME- DIATELY STOP THE ENGINE and correct the cause. Check that 1. Alternator indicator (1) goes OFF. 2.

  • Page 102: Using Booster Batteries

    OPERATING THE ENGINE USING BOOSTER BATTERIES WARNING: • An explosive gas is produced while batteries are in use or being charged. Keep flames or sparks away from the battery area. Charge the batteries in a well ventilated area. Do not continue to use or charge the battery when electrolyte level is lower than specified.

  • Page 103

    OPERATING THE ENGINE Disconnecting the booster batteries Connecting the Booster Batteries 1. Disconnect black negative (–) cable from machine frame (4) first. 2. Disconnect the other end of black negative (–) cable Upper from booster batteries (3). 3. Disconnect red positive (+) cable from booster batteries (2).

  • Page 104: Stopping The Engine

    OPERATING THE ENGINE STOPPING THE ENGINE Engine stop procedure 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3. Turn auto-idle switch (2) OFF and engine speed control dial (3) to the slow idle position. 4.

  • Page 105: Stopping The Engine In Emergency, In The Cab

    OPERATING THE ENGINE STOPPING THE ENGINE IN EMERGENCY (IN THE CAB) EMERG. STOP NORMAL IMPORTANT: Normally, use the engine stop switch (1) to stop the engine. Use the emergency engine stop switch (2) only for emergency stops, or if the engine stop switch (1) malfunctions.

  • Page 106: Except In The Cab

    OPERATING THE ENGINE STOPPING THE ENGINE IN EMERGENCY (EXCEPT IN THE CAB) IMPORTANT: Normally, use the engine stop switch (1) to stop the engine. Use the emergency engine stop switch (2) only for emergency stops. If the engine is shut off without cooling down, the turbocharger free-wheels without receiving lubricant, resulting in serious...

  • Page 107

    OPERATING THE ENGINE MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................3-16...

  • Page 108: Drive The Machine Carefully

    DRIVING THE MACHINE DRIVE THE MACHINE CAREFULLY IMPORTANT: During freezing weather, park machine on a hard surface to prevent tracks from freezing to the ground. Clean debris from tracks and track frame. If tracks are frozen to the ground, raise tracks using boom, move machine carefully to prevent damage to drive train and tracks.

  • Page 109: Steering The Machine Using Pedals

    DRIVING THE MACHINE STEERING THE MACHINE USING PEDALS WARNING: In the standard travel position, the idlers are positioned at the front of the machine Front Idler and the travel motors at the rear. If the travel motors are positioned at the front of the machine, the control actions of the travel pedals will be reversed.

  • Page 110: Steering The Machine Using Levers

    DRIVING THE MACHINE STEERING THE MACHINE USING LEVERS WARNING: In the standard travel position, the idlers are positioned at the front of the machine Front Idler and the travel motors at the rear. If the travel motors are positioned at the front of the machine, the control actions of the travel levers will be re- versed.

  • Page 111

    DRIVING THE MACHINE TRAVEL MODE SWITCH WARNING: Tipping accidents can cause serious personal injury. Do not change travel mode while traveling; especially, changing speed to the fast mode when descending slopes will create a very dangerous situation. Always stop the machine before changing the travel mode speed.

  • Page 112: Travel Alarm

    DRIVING THE MACHINE TRAVEL ALARM The travel alarm functions to alert bystanders when the machine is traveling. WARNING: If the travel alarm does not sound when the travel levers or pedals are operated, immediately stop the engine and contact your authorized dealer for repair.

  • Page 113: Traveling

    DRIVING THE MACHINE TRAVELING WARNING: Use a signal person when moving, swinging or operating the machine in congested areas. Coordinate hand signals before starting the machine. • Before moving machine, determine which way to move travel pedals/levers for the direction you want to go.

  • Page 114: Operating On Soft Ground, Raise One Track Using Boom And Arm

    DRIVING THE MACHINE OPERATING ON SOFT GROUND Boom • Avoid traveling on very soft ground that does not have sufficient strength to firmly support the machine. • If the machine is operated on very soft ground or be- comes stuck, it may be necessary to clean the track 90 to 110°...

  • Page 115: Towing Machine A Short Distance

    DRIVING THE MACHINE TOWING MACHINE A SHORT DISTANCE RIGHT WARNING: Cables, straps, or ropes can break causing serious injury. Do not tow machine with damaged chains, frayed cables, slings, straps, or Protector wire ropes. Always wear gloves when handling cable, straps or wire ropes.

  • Page 116: Operating Ground Condition

    DRIVING THE MACHINE OPERATING GROUND CONDITION Operate the machine on flat footing. The machine should not be operated in water or mud. There is a possibility that travel motors, travel reduction gears, and parts inside of the track frame damage with machine sinking.

  • Page 117: Precautions For Traveling On Slopes

    DRIVING THE MACHINE PRECAUTIONS FOR TRAVELING ON SLOPES WARNING: Avoid possible injury from traveling on slopes. Tipping over or skidding down of the machine may result. Thoroughly read and under- stand precautions below and be sure to travel at slow speed on slopes. Never attempt to travel on 0.5 to 1.0 m slopes with the bucket loaded or any load sus- (1′8″...

  • Page 118: Parking The Machine On Slopes, Parking The Machine

    DRIVING THE MACHINE PARKING THE MACHINE ON SLOPES WARNING: Avoid parking machine on slopes. The machine may tip over, possibly resulting in personal injury. If parking the machine on a slope is unavoidable: • Thrust the bucket teeth into the ground. •...

  • Page 119

    DRIVING THE MACHINE MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................4-12...

  • Page 120: Control Lever (iso Pattern Backhoe)

    OPERATING THE MACHINE CONTROL LEVER (ISO PATTERN BACKHOE) WARNING: Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. If window is missing or bro- ken, replace immediately.

  • Page 121: Control Lever (hitachi Pattern Backhoe), Control Lever (hitachi Pattern)

    OPERATING THE MACHINE CONTROL LEVER (HITACHI PATTERN BACKHOE) WARNING: Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. If window is missing or bro- ken, replace immediately.

  • Page 122: Control Lever (iso Pattern Loading Shovel)

    OPERATING THE MACHINE CONTROL LEVER (ISO PATTERN LOADING SHOVEL) WARNING: Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. If window is missing or bro- ken, replace immediately.

  • Page 123

    OPERATING THE MACHINE CONTROL LEVER (HITACHI PATTERN LOADING SHOVEL) WARNING: Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. If window is missing or bro- ken, replace immediately.

  • Page 124: Bucket Open-close Pedals (loading Shovel)

    OPERATING THE MACHINE BUCKET OPEN-CLOSE PEDALS (LOADING SHOVEL) 9- Bucket Closing 10- Bucket Opening M18M-01-006 M18G-05-004...

  • Page 125: Pilot Control Shut-off Lever

    OPERATING THE MACHINE PILOT CONTROL SHUT-OFF LEVER Pilot control shut-off lever (1) functions to prevent misoperation of the machine from occurring if the control levers are accidentally moved when leaving the operator's seat or when entering the cab. WARNING: • Always pull pilot control shut-off lever (1) into the full LOCK position.

  • Page 126: Engine Speed Control

    OPERATING THE MACHINE ENGINE SPEED CONTROL The engine speed is controlled with engine speed control dial. • The fully clockwise position (1) : Fast Idle • The fully counterclockwise position (2) : Slow idle Before stopping the engine, always turn engine speed control dial to the slow idle position and run the engine five minutes at slow idle.

  • Page 127: Auto-idle

    OPERATING THE MACHINE AUTO-IDLE When auto-idle switch (1) is turned ON, approximately 4 seconds later after the control levers are returned to neutral, engine speed will be decreased to the auto-idle speed automatically to save the fuel consumption at no operation. If the control levers are operated, engine speed will return to the speed depending on the engine speed control dial (2) position immediately.

  • Page 128: Warming-up Operation

    OPERATING THE MACHINE WARMING-UP OPERATION IMPORTANT: The proper engine operating coolant temperature and machine operating hy- draulic oil temperature are correspond- ing to the blue zone (A) of the coolant temperature gauge (1) and hydraulic oil temperature gauge (2), respectively. If the machine is operated excessively when the coolant and hydraulic oil tem- perature are lower than the middle of the...

  • Page 129: Warming-up The Cylinders And Motors

    OPERATING THE MACHINE WARMING-UP THE CYLINDERS AND MO- TORS IMPORTANT: • In cold weather, be sure to thoroughly warm-up the cylinders and motors. • If the hydraulic circuit is continuously relieved for a certain amount of time, the temperature in the control valve would rise excessively.

  • Page 130: Precautions For Operations

    OPERATING THE MACHINE PRECAUTIONS FOR OPERATIONS WARNING: Investigate the work site before start- ing operations. • Be sure to install an overhead cab guard when operating in a work site which has a possibility of falling objects. • If operation on soft ground is required, suffi- ciently reinforce the ground beforehand.

  • Page 131: Operate The Machine Safely

    OPERATING THE MACHINE OPERATE THE MACHINE SAFELY WARNING: Prevent the machine from tipping over and from being involved in a ground col- lapse. Take the necessary precautions as follows: • Make sure the worksite has sufficient strength to firmly support the machine. When working close to an excavation or at road shoulders, operate the machine with the tracks positioned perpendicular to the cliff face with...

  • Page 132: Operating Backhoe, Grading Operation

    OPERATING THE MACHINE OPERATING BACKHOE 100 mm (4”) 100 mm (4”) 1. Place the bucket teeth on the ground with the bottom of the bucket at a 45 degree angle to the ground. 2. Pull the bucket toward the machine using the arm as the main digging force.

  • Page 133: Avoid Abusive Operation

    OPERATING THE MACHINE AVOID ABUSIVE OPERATION WRONG WARNING: Do not use travel as an additional digging force. Severe machine damage may re- sult. Do not raise rear of machine to use the machine’s weight as additional digging force. Severe ma- chine damage may result.

  • Page 134: Operating Tips

    OPERATING THE MACHINE OPERATING TIPS WRONG Do not hit the track with the bucket when digging. Whenever possible, position your machine on a level sur- face. Do not use the bucket as a hammer or pile driver. Do not attempt to shift rocks and break walls using swing motion. WARNING: To avoid damaging cylinders, do not strike the ground with the bucket nor use the bucket for tamping with the bucket cylinder fully...

  • Page 135: Loading Shovel Operation, Prohibited Operation

    OPERATING THE MACHINE LOADING SHOVEL OPERATION 1. To dig, position the bucket bottom parallel to and touching the ground and extend the arm while crowd- ing the bucket. 2. Digging force increases as the arm is retracted. Try to dig with the arm retracted where strong digging forces are required.

  • Page 136

    OPERATING THE MACHINE WRONG WARNING: When excavating with boom extended to high levels, do not tilt bucket back, as materi- als will spill on operator’s cab. Dump bucket slightly to prevent spilling. M18G-04-007 WRONG IMPORTANT: • When digging with the upperstructure at an angle to the undercarriage, avoid striking the tracks with the bucket.

  • Page 137: Object Handling

    OPERATING THE MACHINE OBJECT HANDLING --- IF EQUIPPED WARNING: When you use machine for object handling, be sure to comply with all local regula- tions. Cables, straps, or ropes can break, causing se- rious injury. Do not use damaged chains, frayed cables, slings, straps, or ropes to crane.

  • Page 138: Overnight Storage Instructions

    OPERATING THE MACHINE OVERNIGHT STORAGE INSTRUCTIONS 1. After finishing the day’s operation, drive the machine to a firm, level ground where no possibility of falling stones, ground collapse, or floods. Park the machine referring to the “PARKING THE MACHINE” in the “DRIVING THE MACHINE”...

  • Page 139

    OPERATING THE MACHINE MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................5-20...

  • Page 140: Correct Maintenance And Inspection Procedures

    Use only genuine HITACHI parts. Failure to use recommended fuel, lu- bricants, and genuine Hitachi parts will result in loss of Hitachi product warranty. Never adjust engine governor or hy- draulic system relief valve. Protect electrical parts from water and steam.

  • Page 141: Check The Hour Meter Regularly, Use Correct Fuels And Lubricants

    M18M-01-009 M18M-07-001 USE CORRECT FUELS AND LUBRICANTS IMPORTANT: Always use recommended fuels and lu- bricants. Failure to do so will result in machine damage and loss of Hitachi product war- ranty.

  • Page 142: Prepare Machine For Maintenance

    MAINTENANCE PREPARE MACHINE FOR MAINTENANCE Before performing the maintenance procedures given in the following chapters, park the machine as described be- low, unless otherwise specified. 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3.

  • Page 143

    MAINTENANCE 10. Before starting to check and/or service the inside of the engine compartment, turn engine stop switch (4) located at the engine compartment entrance to the EMERG. STOP position to assure safety. M18M-07-002...

  • Page 144: Open Access Doors For Service

    MAINTENANCE OPEN ACCESS DOORS FOR SERVICE WARNING: • Do not keep the access doors (1) open when the machine is parked on a slope, or while the wind is blowing hard. The access doors (1) may close accidentally, possibly resulting in personal injury.

  • Page 145: Inspection/maintenance Lights

    MAINTENANCE INSPECTION/MAINTENANCE LIGHTS All 7 maintenance lights (1) will be turned ON with mainte- nance light switch. Use switch (5), located on the switch panel in the cab, to turn on/off these lights. M18M-01-019 M18M-01-005...

  • Page 146: Use A Chain To Prevent Falling Accidents

    MAINTENANCE USE A CHAIN TO PREVENT FALLING ACCI- DENTS When inspection or maintenance is required on cab front step (2), tighten chain (1) as described below to prevent falling from cab front step (2). WARNING: Before starting inspection or mainte- nance on the cab front step, be sure to attach the chain to the step handrail.

  • Page 147: Electric Pump (optional), Electric Pump (optional)

    MAINTENANCE ELECTRIC PUMP (Optional) This machine is equipped with an electric pump to draw hydraulic oil from the suction and return pipe lines to the hydraulic oil tank. The pump is driven by battery power. Continuously operate it while servicing the machine. How to Operate Electric Pump WARNING: Hydraulic oil may be hot just after operation.

  • Page 148

    MAINTENANCE 5. Turn the key switch ON. 6. Remove plugs (6) and (7) on the pipe line to allow the electric pump to draw oil easily. Plugs are located at • Suction Line: Suction pipe of main pump • Return Line: Top of oil cooler 7.

  • Page 149: Construction Outline

    MAINTENANCE CONSTRUCTION OUTLINE Backhoe Arm Cylinder Boom Bucket Cylinder Link B Link A Bucket Boom Cylinder T146-01-03-002 Loading Shovel Bucket Level Cylinder Boom Cylinder Boom Bucket Swing Device Lubricator Oil Cooler Hydraulic Oil Tank Muffler Battery Air Cleaner Pump Arm Cylinder Counterweight Dump Cylinder Bucket Cylinder...

  • Page 150: Hydraulic System

    MAINTENANCE HYDRAULIC SYSTEM IMPORTANT: Hydraulic equipment such as hydraulic pumps, control valves, and relief valves have been adjusted at the factory. Do not attempt to disassemble or turn the adjusting screws, as they are very diffi- cult to readjust. Consult your authorized dealer if any trouble should occur.

  • Page 151: Loading Shovel

    MAINTENANCE Loading Shovel 1. BUCKET CYLINDER 2. DUMP CYLINDER 3. ARM CYLINDER 4. BOOM CYLINDER 5. LEVEL CYLINDER 6. ELECTRIC CONTROL LEVER (Travel) 7. ELECTRIC CONTROL LEVER (Bucket Open and Close) 8. ELECTRIC CONTROL LEVER (Front/Swing) 9. ELECTRIC CONTROL LEVER (Front) 10.

  • Page 152

    MAINTENANCE Backhoe 1. BUCKET CYLINDER 2. ARM CYLINDER 3. BOOM CYLINDER 4. — 5. — 6. ELECTRIC CONTROL LEVER (Travel) 7. — 8. ELECTRIC CONTROL LEVER (Front/Swing) 9. ELECTRIC CONTROL LEVER (Front) 10. ELECTRIC LEVER CONTROLLER 11. AIR CON. COMPRESSOR MOTOR 12.

  • Page 153: Periodic Replacement Of Parts

    For this reason, replace these parts at the intervals shown in the table below. However, if any of these parts are found to be defective, replace before starting operation, regardless of the interval. Use genuine Hitachi parts. Also, when replacing hoses, check the clamps for deformation, cracks, or other deterioration, and replace as necessary.

  • Page 154: Periodic Replacement Of Rubber Hoses

    8000 hours of operation, whichever comes first. Use genuine Hitachi parts. It is very difficult to gauge the extent of deterioration due to aging, fatigue, and abrasion of rubber hoses by inspection alone.

  • Page 155

    MAINTENANCE Hydraulic Hoses Hoses Q'ty Pump Main pumps to High pressure filters (1) Delivery High pressure filters to Blocks (2) Hoses Blocks to High pressure pipes (3) High pressure pipes to Control valves (4) Fan pumps to oil cooler fan motor and radiator fan motor (5) Tail hoses (6) Front...

  • Page 156

    MAINTENANCE Hoses Q’ty in Use Loading Shovel Main Frame to Front Hoses Boom (8) M146-07-097 Hoses Q’ty in Use Backhoe Front Main Frame to Hoses Boom (9) M146-07-017 7-17...

  • Page 157

    MAINTENANCE Hoses Q'ty Travel Control Valves to Center Joint (10) Hoses Swing Control Valves to Swing Motors (11) Hoses Center Joint M18M-07-016 Swing Motors M18M-07-017 M18M-07-025 M18M-07-018 Swing Motors 7-18...

  • Page 158

    MAINTENANCE Fuel Hoses Hoses Q’ty in Use Fuel Tank to Engine (12) Engine to Fuel Cooler (13) Fuel Cooler to Fuel Tank (14) M18M-07-019 M18M-07-020 M18M-07-023 M18M-07-021 Fuel Cooler M18M-07-022 M18M-07-024 7-19...

  • Page 159: Maintenance Interval Guide

    MAINTENANCE MAINTENANCE INTERVAL GUIDE A. GREASING (See Page 7-24) Interval (hours) Parts Quantity 500 1000 1500 2000 1. Loader Front Joint Bucket Pins Pins Other Front Pins 2. Backhoe Front Joint Bucket and Link Pins Pins Other Front Pins 3. Swing Bearing 350 L 4.

  • Page 160

    MAINTENANCE D. HYDRAULIC SYSTEM (See Page 7-51) Interval (hours) Parts Quantity 2000 2500 4000 12000 1. Check Hydraulic Oil Level 2. Drain Hydraulic Oil Tank Sump 4000 L 3. Change Hydraulic Oil (1060 US gal) Replace Full-Flow Filter and Drain Filter 5.

  • Page 161

    6. Clean Radiator, LTA Cooler Core NOTE: Before leaving the Hitachi factory, the cooling system is filled with a mixture of water and Genuine Hitachi Long-Life Coolant. As long as Genuine Hitachi Long-Life Coolant is used, the service intervals between changing the coolant is once every two years, or every 4000 hours, whichever comes first.

  • Page 162

    MAINTENANCE I. ELECTRICAL SYSTEM (See Page 7-104) J. MISCELLANEOUS (See Page 7-118) Interval (hours) Parts Quantity 1000 1500 3000 1. Check Bucket Teeth for Wear and Looseness 2. Inspect Emergency Rope and Rope Mounting Hardware 3. Check Auto-Lubrication System Check 4.

  • Page 163: A. Greasing

    MAINTENANCE A. GREASING Interval (hours) Parts Quantity 500 1000 1500 2000 1. Loader Front Joint Bucket Pins Pins Other Front Pins 2. Backhoe Front Joint Bucket and Link Pins Pins Other Front Pins 3. Swing Bearing 350 L 4. Swing Internal Gear (92.5 US gal) 5.

  • Page 164: Loading Shovel Front Joint Pins

    MAINTENANCE Loading Shovel Front Joint Pins --- daily Add grease to all fittings shown below every 10 hours or each shift before starting. Most of the fittings are grouped, as shown, for quick and safe lubrication. NOTE: Auto-lubrication can be used for the fittings on the loading shovel front.

  • Page 165

    MAINTENANCE 2. Grouped Grease Fittings (2) --- Boom : Lubrication Points M146-07-084 3. Grouped Grease Fittings (3) --- Boom Foot M18M-07-029 7-26...

  • Page 166

    MAINTENANCE 4. Grouped Grease Fittings (4) --- Arm : Lubrication Points M146-07-085 7-27...

  • Page 167: Backhoe Front Joint Pins

    MAINTENANCE Backhoe Front Joint Pins --- daily Add grease to all fittings shown below every 10 hours or each shift before starting. Most of the fittings are grouped, as shown, for quick and safe lubrication. NOTE: Auto-lubrication can be used for the fittings on the backhoe front except for the bucket and link.

  • Page 168

    MAINTENANCE 2. Grouped Grease Fittings (2) --- Boom : Lubrication points M18M-07-034 M18M-07-033 M18M-07-035 3. Grouped Grease Fittings (3) --- Boom Foot : Lubrication points M18M-07-029 7-29...

  • Page 169

    MAINTENANCE 4. Grouped Grease Fittings (4) --- Arm : Lubrication points M18M-07-036 7-30...

  • Page 170: Swing Bearing

    MAINTENANCE Swing Bearing --- every 250 hours (Grouped Grease Fittings --- Main Frame) NOTE: Auto-lubrication can be used for the fittings on the swing bearing. WARNING: Lubricating both the swing bearing and gear and rotating the upperstructure must be done by one person. Before you lubricate the swing bearing, clear the area of all persons.

  • Page 171: Swing Internal Gear

    MAINTENANCE Swing Internal Gear --- every 2000 hours WARNING: Adding or changing swing internal gear grease and rotating the upperstructure must be done by one person. Before you start, clear the area of all persons. Each time you leave the cab •...

  • Page 172: Center Joint

    MAINTENANCE Center Joint --- every 500 hours (Grouped Grease Fittings --- Main Frame) NOTE: Auto-lubrication can be used for the fittings on the center joint. WARNING: Each time you leave the cab • Lower the bucket to the ground. • Pull the pilot control shut-off lever to the LOCK position.

  • Page 173: Operating The Lubricator

    MAINTENANCE OPERATING THE LUBRICATOR The machine is equipped with hose reel (4) and the lubricator, including the grease pump. This device is used for adding grease to the grouped fittings on the main frame and front attachment. Greasing IMPORTANT: Run the engine at medium or higher speed whenever the lubricator is used.

  • Page 174

    MAINTENANCE Replacing Grease When the grease can is empty, replace it following the procedure shown below. 1. Remove wing nuts (7) to remove cover assembly (6) from the grease can. Remove cover assembly (6). 2. Remove follower plate (8) from the grease can. Replace the grease can with a new one.

  • Page 175: B. Engine

    1.85 percent ash, can be used in areas where the sulfur content of the fuel is normally 1 to 1.5 percent mass. Limiting ash content is critical to the prevention of valve and piston deposit formation. • The machine is shipped from the factory is filled with lubricants, Hitachi Super Wide DH-1 15W-40 (Class CF-4 (API Service Classification)).

  • Page 176: Engine Oil Level In Engine Oil Pan

    MAINTENANCE Engine Oil Level in Engine Oil Pan --- check daily IMPORTANT: For most accurate readings, check the oil level every day before starting the machine. Be sure the machine is on a level surface. 1. Stop the engine. 2. Remove dipstick (1). Wipe oil off with a clean cloth. Reinsert dipstick (1).

  • Page 177

    MAINTENANCE Check LED Monitor Signal (on Reserve Tank) --- check daily Pump #2 1. Start the engine. 2. Check LED monitor (1) to confirm if the pump normally works or not. LED monitor (1) signals the To Engine Oil Pan following states in response to operation of pump.

  • Page 178: Change Engine Oil In Engine Oil Pan

    MAINTENANCE Change Engine Oil in Engine Oil Pan --- every 500 hours (first time after 50 hours) Replace Engine Oil Filters --- every 500 hours (first time after 50 hours) 1. Run the engine to warm oil. DO NOT run the engine until oil is hot.

  • Page 179

    MAINTENANCE 17. Remove oil filler cap (4) and fill with 260 liter (68.7 US gal) oil. 18. Confirm oil level and adjust the oil level to be the center of the marks static H and L on dipstick (5). Start the engine and run at slow idle speed for 5 minutes.

  • Page 180

    MAINTENANCE 8. Prepare a container of 280 liter (74 US gal) or more capacity for the drain oil. 9. Remove drain plug (6). 10. Open drain cock (7) and (8) to drain the engine oil. 11. Check if foreign material like metal particles are included in the drain oil by filtering it with a clean cloth.

  • Page 181

    MAINTENANCE How to operate automatic fill system 1. Turn power switch (4) to ON position. 2. Turn start switch (5) to ON position. 3. The shut-off valve on the reserve tank opens. The shut-off valve open indicator (6) lights up. 4.

  • Page 182: C. Transmission, Brand Names Of Recommended Gear Oil

    MAINTENANCE C. TRANSMISSION Interval (hours) Parts Quantity 500 1000 1500 2000 Check Oil Level 1. Pump Trans- Engine Change Oil 52 L (13.7 US gal) mission Replace Filter Gear Clean Breather Check Oil Level 2. Swing Gear Reduction Change Oil 75 L (19.8 US gal)×4 Gear Clean Breather...

  • Page 183: Pump Transmission Gear

    MAINTENANCE PUMP TRANSMISSION GEAR Recommended Brands of Engine Oil CAUTION: Avoid mixing oils of different brands. In most cases, different brands are not compati- ble with each other and, when mixed, can seize parts, or abnormally wear moving parts. It is best to stick with one and the same brand of oil at successive service intervals.

  • Page 184: Change Oil

    MAINTENANCE Change Oil --- every 500 hours (first time after 50 hours) 1. Run the engines until oil is warm to drain completely. DO NOT run the engines until oil is hot. 2. Park the machine on a level surface. 3.

  • Page 185: Replace Filter

    MAINTENANCE Replace Filter --- every 500 hours 1. Unscrew cartridge filter (5) from the filter head, dis- card the cartridge filter. 2. Fill the filter with oil. Apply a light even coat of lubri- cating oil to the gasket sealing surface prior to in- stalling the cartridge filter.

  • Page 186: Swing Reduction Gear

    MAINTENANCE SWING REDUCTION GEAR Rear-Left Rear-Right Front-Right Front-Left Swing Device Swing Device Swing Device Swing Device Check Oil Level --- every 50 hours (first time after 10 hours) 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3.

  • Page 187: Change Gear Oil

    MAINTENANCE Change Gear Oil --- every 1000 hours (first time after 50 hours) 1. Swing the machine until oil is warm to drain com- pletely. DO NOT swing the machine until oil is hot. 2. Park the machine on a level surface. 3.

  • Page 188: Travel Reduction Gear

    MAINTENANCE TRAVEL REDUCTION GEAR Check Oil Level --- every 250 hours 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3. Turn the auto-idle switch off. IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down.

  • Page 189

    MAINTENANCE Change Gear Oil --- every 2000 hours (first time after 500 hours) 1. Drive the machine until oil is warm to drain completely. DO NOT drive the machine until oil is hot. 2. Park the machine on a level surface. 3.

  • Page 190: D. Hydraulic System

    –10 to 50°C Temp. (–4 to 122°F) (14 to 122°F) (–4 to 122°F) (14 to 122°F) (–4 to 122°F) (14 to 122°F) Manufacturer Hitachi Super EX 46HN Idemitsu Kosan Super Hydro 46 WRHU British Petroleum Bartran HV46 Rando Oil Caltex Oil HD46 Rando Oil Texaco INC.

  • Page 191: Inspection And Maintenance Of Hydraulic Equipment

    MAINTENANCE INSPECTION AND MAINTENANCE OF HYDRAULIC EQUIPMENT CAUTION: During operation the parts of the hydraulic system become very hot. Allow the machine to cool down before begining inspection or maintenance. 1. Be sure that the machine is parked on a level, firm surface before servicing hydraulic equipment.

  • Page 192

    MAINTENANCE 4. When connecting hydraulic hoses and pipes, take special care to keep seal surfaces free from dirt and A couple of threads left unwrapped to avoid damaging them. Keep these precautions in mind: 4.1 Wash hoses, pipes, and the tank interior with a washing liquid and thoroughly wipe it out before re- connecting them.

  • Page 193: Check Hydraulic Oil Level, To Add Oil

    MAINTENANCE Check Hydraulic Oil Level --- daily IMPORTANT: Never run the engine without oil in hy- draulic oil tank. 1. Park the machine on a level surface. 2. Position the machine with the front attachment posi- tioned as illustrated on the right. M142-07-093 3.

  • Page 194: Drain Hydraulic Oil Tank Sump

    MAINTENANCE Drain Hydraulic Oil Tank Sump --- every 250 hours IMPORTANT: Never run the engine without oil in hy- draulic oil tank. 1. Park the machine on a level surface with the upper- structure rotated 90° for easier access. 2. Lower the bucket to the ground. 3.

  • Page 195: Change Hydraulic Oil

    MAINTENANCE Change Hydraulic Oil --- every 4000 hours, 2500 hours or 2000 hours IMPORTANT: Hydraulic oil changing intervals differ according to kind of hydraulic oils used. (See Recommended Oil Chart in this group) WARNING: Hydraulic oil may be hot just after M142-07-092 operation.

  • Page 196

    MAINTENANCE 15. Remove drain plug (2) on the suction manifold and loosen drain valve (3). Allow oil to drain. 16. Remove drain plug (9) under oil tank and loosen drain cock (8) to drain water and sediment com- pletely. 17. Install drain cock (8). 18.

  • Page 197

    MAINTENANCE Bleeding Air from Hydraulic Pump Main Pump IMPORTANT: If the hydraulic pump is not filled with oil, 8 locations it will be damaged when the engine is started. Fan Drive Pump 1. Loosen hose connectors (1) of the 8 main pumps to 2 locations release trapped air.

  • Page 198: Replace Full-flow Filter And Drain Filter

    MAINTENANCE Replace Full-Flow Filter and Drain Filter --- every 500 hours (first time after 50 hours) 1. Park the machine on a level surface. 2. Lower the bucket to the ground as illustrated. 3. Turn the auto-idle switch off. IMPORTANT: The turbocharger may be damaged if the M142-07-093 engine is not properly shut down.

  • Page 199

    MAINTENANCE NOTE: There is spring tension under the cover. Hold down the cover when removing last two bolts. 11. Hold down filter cover (2) against light spring load when removing the last two bolts. Remove filter cover (2). 12. Remove spring (5), valve (6), and element (7). NOTE: Remove the element and inspect for metal par- ticles and debris in the bottom of the filter case.

  • Page 200: Replace Bypass Filter

    MAINTENANCE Replace Bypass Filter --- every 500 hours (first time after 50 hours) 1. Park the machine on a level surface. 2. Lower the bucket to the ground as illustrated. 3. Turn the auto-idle switch off. M142-07-093 IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down.

  • Page 201

    MAINTENANCE 11. Loosen bolts (2) and remove cover (3). 12. Remove filter element (5) and O-ring (4) from the fil- ter housing. NOTE: Remove the element and inspect for metal par- ticles and debris in the bottom of the filter case. Excessive amounts of brass and steel particles can indicate a failed hydraulic pump, motor, valve or an impending failure.

  • Page 202: Replace Pilot Oil Filter

    MAINTENANCE Replace Pilot Oil Filter --- every 500 hours (first time after 50 hours) 1. Park the machine on a level surface. 2. Lower the bucket to the ground as illustrated. 3. Turn the auto-idle switch off. M142-07-093 IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down.

  • Page 203

    MAINTENANCE 13. Remove bolts (2). Hold down filter cover (4) when removing last two bolts. NOTE: There is spring tension under filter cover (4). Hold down filter cover (4) when removing last two bolts (2). 14. Remove spring (5), valve (6), O-ring (7) and filter element (8) from filter housing (9).

  • Page 204: Suction Filter

    MAINTENANCE Suction Filter Cleaning Suction Filter --- when replacing hydraulic oil 6 unit suction filters are provided in the hydraulic oil tank. Clean them when replacing hydraulic oil. WARNING: Sufficiently ventilate before entering the hydraulic oil tank after draining hydraulic oil. 1.

  • Page 205: Replace Suction Filter

    MAINTENANCE Replace Suction Filter --- every 12000 hours 6 unit suction filters are provided in the hydraulic oil tank. Clean them when replacing hydraulic oil. Replace all suc- tion filters. WARNING: Sufficiently ventilate before entering the hydraulic oil tank after draining hydraulic oil. 1.

  • Page 206: Replace High-pressure Strainer

    MAINTENANCE Replace High-Pressure Strainer --- every 12000 hours 1. Park the machine on a level surface. 2. Lower the bucket to the ground. 3. Turn the auto-idle switch off. IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down. 4.

  • Page 207: Clean Oil Cooler Core

    MAINTENANCE Clean Oil Cooler Core --- every 500 hours WARNING: Wear safety glasses or goggles when using compressed air to clean oil cooler core. IMPORTANT: High pressure air or water can damage the cooler core fins. Use air pressure [0.2 MPa (2 kgf/cm ) or less] and keep the nozzle more than 500 mm away from the core surface.

  • Page 208: Check Hoses And Lines

    MAINTENANCE Check Hoses and Lines --- daily --- every 250 hours WARNING: Escaping fluid under pressure can penetrate the skin causing serious injury. To avoid this hazard, search for leaks with a piece of cardboard. Take care to protect hands and body from high-pressure fluids.

  • Page 209

    (Use proper bend radius) Hose ends and Deformation or Replace M115-07-148 fittings Corrosion (10) NOTE: Refer to the illustrations in Fig.1 for each check point location or for a descrip- tion of the abnormality. Use genuine Hitachi parts. M115-07-149 Fig.1 7-70...

  • Page 210

    Clamps Missing Replace Deformation Replace NOTE: Refer to the illustrations in Fig.2 for each check point location or for a descrip- tion of the abnormality. Use genuine Hitachi parts. Table 3. Oil cooler Interval(hours) Check Points Abnormalities Remedies Every 250 hours...

  • Page 211: Service Recommendations For Hydraulic Fittings

    MAINTENANCE SERVICE RECOMMENDATIONS FOR HY- DRAULIC FITTINGS Two hydraulic fitting designs are used on this machine. Flat Face O-ring Seal Fitting (ORS Fitting) An O-ring is used on the sealing surfaces to prevent oil leakage. M104-07-033 1. Inspect fitting sealing surfaces (6). They must be free of dirt or defects.

  • Page 212

    MAINTENANCE Metal Face Seal Fittings Fittings are used on smaller hoses and consist of a metal flare and a metal flare seat. 1. Inspect flare (10) and flare seat (9). They must be free of dirt or obvious defects. IMPORTANT: Defects in the tube flare cannot be re- paired.

  • Page 213: E. Fuel System

    MAINTENANCE E. FUEL SYSTEM Tank capacity 7450 liter (1970 US gal) Interval (hours) Parts Quantity 1000 1500 2000 1. Drain Fuel Tank Sump 2. Drain Fuel Filter Sediment Stage 1 filter Weekly or as required 3. Replace Fuel Element Stage 1 filter 4.

  • Page 214

    MAINTENANCE WARNING: • Shut down the engine when fueling. Do not smoke while fueling – or when handling fuel containers. • Fuel leaked or spilled onto hot surface or elec- trical components can cause a fire. • After fueling, secure filler cap. IMPORTANT: Keep all dirt, dust, water and other foreign materials out of the fuel system.

  • Page 215: Drain Fuel Tank Sump

    MAINTENANCE Drain Fuel Tank Sump --- daily 1. Park the machine on a level surface with the upper- structure rotated 90° for easier access. 2. Lower the bucket to the ground. 3. Turn the auto-idle off. IMPORTANT: The turbocharger may be damaged if the engine is not properly shut down.

  • Page 216: Replace Fuel Element

    MAINTENANCE Replace Fuel Element --- every 250 hours IMPORTANT: When fuel level reaches top of filter ele- ment in clear cover before 250 hours, replace fuel element before change in- terval. Be sure to prepare a container large enough to collect fuel when replacing fuel filter to avoid ground contamination and for safety.

  • Page 217: Replace Fuel Filter

    MAINTENANCE Replace Fuel Filter --- every 250 hours IMPORTANT: Be sure to prepare a container large enough to collect fuel when replacing fuel filter to avoid ground contamination and for safety. 1. Stop the engine. WARNING: Fuel may be hot just after operation. Be sure to wait for fuel to cool before starting work.

  • Page 218: Check Fuel Hoses

    MAINTENANCE Check Fuel Hoses --- daily --- every 250 hours WARNING: Fuel leaks can lead to fires that may result in serious injury. To avoid this hazard : 1. Park the machine on a firm, level surface. Lower the bucket to the ground. Stop the engine. Remove key from the key switch.

  • Page 219

    (Use proper bend radius) Hose ends and fit- Deformation Replace tings or corrosion (10) M115-07-149 Fig. 4 NOTE: Refer to the illustrations in Fig. 4 for each check point location or for a description of the abnormality. Use genuine Hitachi parts. 7-80...

  • Page 220: F. Air Cleaner

    MAINTENANCE F. AIR CLEANER Interval (hours) Parts Quantity 1000 1500 2000 Cleaning As required 2×2 1. Air Cleaner Outer Element placement Replace per 6 cleaning 2×2 2. Air Cleaner Inner Element Replacement When outer element is replaced 2×2 Clean Air Cleaner Outer Element --- as required Replace Air Cleaner Outer and Inner Elements...

  • Page 221

    MAINTENANCE Replacement 1. When replacing air cleaner filter element, replace both, outer (2) and inner (4) elements together. 2. Remove wing nut (1) and outer element (2). 3. Clean the filter housing (3) interior before removing inner element (4). 4. Remove nut (5) and inner element (4). 5.

  • Page 222: G. Cooling System

    6. Clean Radiator, After Cooler Core NOTE: Before leaving the Hitachi factory, the cooling system is filled with a mixture of water and Genuine Hitachi Long-Life Coolant. As long as Genuine Hitachi Long-Life Coolant is used, the service inter- vals between changing the coolant is once every two years, or every 4000 hours, whichever comes first.

  • Page 223: Check Coolant Level

    MAINTENANCE Check Coolant Level --- daily WARNINGN: Do not remove water tank cap (1) until the coolant is cool; otherwise high-temperature steam may escape, potentially causing scalding. Slowly loosen cap (1) to re- lease pressure after the system has cooled and then remove.

  • Page 224: Check Dca4 Concentration In Coolant

    DCA4 concentration is adjusted by replacing the DCA4-containing filter and/or adding DCA4 liquid. • Coolant Filter The following solid DCA4 containing coolant filter is available. Fleetguard Cummins Hitachi Part Number of Application Part No. Part No. DCA Units Check and WF-2076...

  • Page 225

    MAINTENANCE • Precautions for using DCA4 WARNING: DCA4 includes alkali. Avoid splashing DCA4 in your eyes or swallowing it. If DCA4 is splashed into your eyes or swallowed, follow the instructions shown below. Keep out of reach of children. 1. Exposure tolerances Slight skin exposure to DCA4 will cause no serious problems.

  • Page 226

    MAINTENANCE Checking and Adjusting DCA4 Concentration • Initial Charge (when replacing coolant totally) Replace the coolant filter and add the DCA4 liquid for re- fill. Use coolant filter (WF-2076). One DCA65L unit is equivalent to four DCA60L units. The sample combina- tions of DCA65L and DCA60L are shown in the following table.

  • Page 227

    MAINTENANCE Inspection Procedures of Coolant Concentration • Check the concentration of DCA4 in coolant using the inspection kit shown below. Cummins Hitachi Name of Kit Parts No. Parts No. Inspection Kit CC2602 − 4404083 Contents of the Kit: Color Specimen...

  • Page 228

    MAINTENANCE • Precautions for Using CC2602 Test Kit Maintain coolant temperature to 10 to 54°C while check- The effective life time of the reagent is printed on ing. Otherwise, incorrect color change may result. the upper section of the CC2602 container. Do not use any reagents after the effective life Compare the reagent color with the color specimen to time expires.

  • Page 229

    MAINTENANCE • How to Use Test Kit IMPORTANT: Measure time precisely to obtain the correct test results. Use a stop watch or watch with a second hand. If the reagent color change is checked too early or too late, correct measurement results won’t be obtained.

  • Page 230

    MAINTENANCE 6. In case the reagent color corresponds to that be- tween the color specimens, take the intermediate value. If it is difficult to determine which value should be taken, adopt the lighter color side concentration as a safer value. 7.

  • Page 231

    MAINTENANCE • Checking and Controlling Coolant Obtain the concentration value from the concentration check table. Concentration and its control are as follows. Coolant Additive Agent DCA4 Control Standard Concentration of Concentration per 1 US gal Antifreeze or of Coolant Additive Agent Control Method DCA4 1.2 or less...

  • Page 232: Replace Coolant Filter

    MAINTENANCE Replace Coolant Filter --- every 500 hours Check the DCA4 concentration every 500 hours. (Refer to page 7-85 for the checking procedure.) If the concen- tration is lower than the acceptable range, and if the coolant filter has to be replaced as a result (Refer to “Concentration Check Table”...

  • Page 233: Change Coolant

    --- twice a year (in spring and autumn) Clean Radiator Interior --- when changing coolant NOTE: Before leaving the Hitachi Factory, the cooling system is filled with a mixture of water and Genuine Hitachi Long-Life Coolant. As long as Genuine Hitachi Long-Life Coolant is...

  • Page 234

    MAINTENANCE IMPORTANT: Long-Life Coolant concentration is usu- ally 50%. However Long-Life Coolant concentration should be changed for the cold weather range. Refer to the manual for Cummins Engine. 7. Add 1.2 to 3.0 DCA units per 1 US gal (3.78 L) of coolant.

  • Page 235: Clean Radiator Core

    MAINTENANCE Clean Radiator Core --- every 500 hours WARNING: Always wear safety glasses or gog- gles when using compressed air (Less than 0.2 MPa, 2 kgf/cm , 28 psi) to clean radiator core. IMPORTANT: High-pressure air or water can damage fins.

  • Page 236: H. Air Conditioner

    MAINTENANCE H. AIR CONDITIONER Interval (hours) Parts Quantity 1000 1500 2000 Cleaning As required 1. Recirculation Air Filter Replacement Replace per 4 cleaning Cleaning As required 2. Ventilation Air Filter Replacement Replace per 4 cleaning 3. Check Refrigerant Quantity 4. Check Compressor Belt Tension 5.

  • Page 237: Ventilation Air Filter

    MAINTENANCE Ventilation Air Filter Clean Air Filter --- As required WARNING: Always wear safety glasses or gog- gles when using compressed air (Less than 0.2 MPa, 2 kgf/cm ) to clean filters. IMPORTANT: Plugged inner or outer air filter will re- duce cooling capacity of the air condi- tioner.

  • Page 238: Check Refrigerant Quantity

    MAINTENANCE Check Refrigerant Quantity --- every 250 hours WARNING: DO NOT allow liquid refrigerant to contact eye or skin. Liquid refrigerant will freeze eye or skin on contact. Be careful not to loosen connections in the air conditioner circuit. IMPORTANT: ・ Do not operate the compressor without refrigerant in the air condi- tioning circuit, as doing so may damage them.

  • Page 239: Check Compressor Belt Tension

    MAINTENANCE Check Compressor Belt Tension --- every 250 hours Remove box-type cover (2), located on bed (1) under the step, to gain access to the compressor belt. Visually check belt for wear. Replace if necessary. Start the engine and run for 10 minutes. Check belt tension by depressing the midpoint between the hydraulic motor and compressor pulleys with the thumb.

  • Page 240: Clean Condenser Core

    MAINTENANCE Clean Condenser Core --- every 500 hours WARNING: Always wear safety glasses or gog- gles when using compressed air (Less than 0.2 MPa, 2 kgf/cm , 28 psi) to clean condenser core. Remove condenser cover (2) (three pieces), located in room (1) under the cab.

  • Page 241: Check Tightening Torque

    MAINTENANCE Check Tightening Torque --- every 250 hours Check the tightness of mounting bolts, hose connections and fittings every 250 hours. Tighten to torque specifica- tions if any are loose. Torque Specifications for Hose Connections: Wrench Fastening Torque Size N⋅m (kgf⋅m) (lbf⋅ft) (mm)

  • Page 242: Seasonal Maintenance

    MAINTENANCE Seasonal Maintenance --- preseason --- off-season WARNING: Do not attempt to loosen connections in air conditioning circuit when the air condi- tioner malfunctions. Doing so may cause high pressure gas to spout, resulting in serious injury. Consult your authorized dealer immediately. 1.

  • Page 243: I. Electrical System

    MAINTENANCE I. ELECTRICAL SYSTEM WARNING: Improper radio communication equipment and associated parts, and/or improper installation of radio communication equipment effects the machine's electronic parts, causing involuntary movement of the machine. Also, improper installation of electrical equip- ment’s may cause machine failure and/or a fire on the machine.

  • Page 244

    MAINTENANCE 2. Apply baking soda or lime to help neutralize the acid. 3. If splashed in eyes, flush with water for 10 to 15 minutes. Get medical attention immedi- ately. If acid is swallowed: 1. Drink large amounts of water or milk. 2.

  • Page 245

    MAINTENANCE Electrolyte Level Check 1. Check the electrolyte level at least once a month. 2. Park the machine on level ground and stop the en- gine. 3. Check the electrolyte level. 3.1 When checking the level from the battery side: Clean around the level check lines with a wet towel.

  • Page 246

    MAINTENANCE Check electrolyte specific gravity IMPORTANT: Check the specific gravity of the elec- trolyte after it is cooled, not immediately after operation. Check the electrolyte specific gravity in each battery cell. The lowest limit of the specific gravity for the electrolyte varies depending on electrolyte temperature.

  • Page 247: Replace Batteries

    MAINTENANCE REPLACE BATTERIES Your machine has four 12-volts batteries with negative (−) ground. If one of four batteries in a 24-volt system has failed but the others are still good, replace all the batteries together with new ones of the same type. For example, replace a failed maintenance-free battery with a new mainte- nance-free battery.

  • Page 248: Replacing Fuses

    MAINTENANCE Replacing Fuses --- as required If any electrical component fails, first check the fuses in the fuse box, located in room (A) under the cab. Re- move fuse box cover and confirm that the fuses shown below are provided. IMPORTANT: Install fuse with correct amperage rating to prevent electrical system damage from overload.

  • Page 249

    MAINTENANCE 42 43 44 45 46 47 48 52 53 54 55 57 58 59 60 T18G-05-07-001 62 63 64 65 66 67 68 69 60 T18G-05-05-001 73 74 75 76 77 78 79 80 T18G-05-07-001 41- SEAT SUSPENTION 51- MC SOL. POWER 10A 61- WORK LIGHT (1) 10A 71- -------- AIR COMPRESSOR 15A...

  • Page 250

    MAINTENANCE Remove cover (A) on the rear console in the cab. Also, check the fuses. 1- MAIN POWER KEY SW 20A 2- ELU MAIN POWER 5A 3- IDU MAIN POWER 5A 4- DLU MAIN POWER 5A 5- ORBCOMM BATTERY POWER 5A 6- RADIO BACKUP 5A 7- ELU KEY ON SIG.

  • Page 251: Power Source Terminal

    MAINTENANCE Power Source Terminal • 12 Volts and 24 Volts Terminal Remove cover (1) on the rear console in the cab. 12 volts and 24 volts terminal are located in the rear con- sole. Use this terminal to power electrical devices of 12 volts and 24 volts rating.

  • Page 252: High Current Fuse

    MAINTENANCE High Current Fuse High current fuses are located in engine unit (A). High current fuses protect electric main circuit against excessive current. If high current fuses is melted and disconnected by short circuit, see your authorized dealer. High Current Fuse Connection Table (1) M18M-07-055 FUSE BOX;...

  • Page 253

    MAINTENANCE High Current Fuse Connection Table (2) 400A PRELUB RELAY 250A FOLDING STAIRWAY MOTOR 1 250A FOLDING STAIRWAY MOTOR 2 M18M-07-056 7-114...

  • Page 254: Check Electrical Cables And Wire Harnesses For Short Circuits

    MAINTENANCE Check Electrical Cables and Wire Harnesses for Short Circuits WARNING: Short circuits can cause fires that may result in serious injury. To avoid this hazard: 1. Park the machine on a solid, level surface. Lower the bucket to the ground. Stop the engine. Remove key from the key switch.

  • Page 255

    Clamps of the har- Missing Replace nesses or connec- Clamping positions Correcting tors (5) Damage Replace M115-07-156 NOTE: Refer to the illustrations in Fig. 1 for each check point location. Fig. 1 Replace the damaged parts with genuine Hitachi parts. 7-116...

  • Page 256: Check Emergency Engine Stop Switch

    MAINTENANCE Check Emergency Engine Stop Switch NORMAL EMERG.STOP --- Every 250 Hours Check the emergency engine stop switch function every 250 hours, following the procedures below. 1. Start the engine and run at slow idle. 2. Turn emergency engine stop switch (1) to the EMERG STOP position.

  • Page 257: J. Miscellaneous

    MAINTENANCE J. MISCELLANEOUS Interval (hours) Parts Quantity 1000 1500 3000 1. Check Bucket Teeth for Wear and Looseness 2. Inspect Emergency Rope and Rope Mounting Hardware 3. Check Auto-Lubrication System Check 4. Seat Belt Replacement At least once every 3 years 5.

  • Page 258: Check Bucket Teeth

    MAINTENANCE Check Bucket Teeth --- every 10 hours RIGHT WRONG 1. Check bucket teeth for wear and looseness Replace teeth if tooth wear exceeds the designated service limit shown below. Dimension A in mm (ft, in.) M117-07-153 Limit of Use Loading Shovel Bucket (1' 8″) (11″)

  • Page 259

    MAINTENANCE 3. Maintenance 1. Drive wedge (4) using a hammer again after op- erating 2 to 4 hours. 2. Drive wedge (4) every morning for the first week of operation. 3. Drive wedge (4) once a month from the second week.

  • Page 260: Inspect Emergency Evacuation Equipment And Hanger

    MAINTENANCE Inspect Emergency Evacuation Equipment and Hanger --- daily Inspect emergency evacuation equipment (1) and hanger (2) before operating the machine. If any item is worn and/or damaged, replace the equipment and/or hanger with genuine Hitachi parts. M146-07-002 7-121...

  • Page 261: Auto-lubrication System

    MAINTENANCE Auto-Lubrication System --- daily The machine is equipped with auto-lubrication system for the front attachment joint pins, swing bearing and center joint. Checking Indicator Pins IMPORTANT: The auto-lubrication system is equipped with injectors (3) for greasing. Check in- dicator pins (2) of injectors (3) every day to confirm that greasing is done cor- rectly.

  • Page 262

    MAINTENANCE Check Grease Level --- daily Remove two wing nuts (4). Open grease-can top cover assembly (5) to check quantity of grease inside. Add grease if necessary. Automatic Greasing Move auto-lubrication toggle switch (3) to the AUTO LUB. position. Disconnect hose (6) at coupler (7). The grease pump intermittently delivers grease for approximately one minute with an interval of 10 minutes according to the greasing schedule preset at the factory.

  • Page 263

    MAINTENANCE 1. Adjusting Greasing Interval Turn adjusting switch (9) located in room (8) under the cab to the desired position out of four possible positions: 3, 5, 10, and 15 minutes. Greasing Interval (minutes) M18M-07-053 M18M-07-057 2. Adjusting Greasing Volume Loosen locknut (11) on injector (2).

  • Page 264

    MAINTENANCE Manual Greasing Connect hose (7) to coupler (6). Move auto-lubrication toggle switch (1) to the MANUAL position. Apply grease using a grease gun. Refer to pages 7-24 to 7-35 of this manual. After finishing greasing, disconnect hose (7) from cou- pler (6), release grease pressure in hose reel (12) via the grease gun.

  • Page 265: Check And Replace Seat Belt

    MAINTENANCE Check and Replace Seat Belt Check --- daily Replace --- every 3 years Always maintain the seat belt in a functional condition and replace when necessary to ensure proper perform- ance. Prior to operating the machine, thoroughly examine belt (1), buckle (2) and attaching hardware.

  • Page 266: Clean Air Horn Compressor Filter

    MAINTENANCE Clean Air Horn Compressor Filter --- as required Air horn compressor (2) is located in room (1) under the cab. Remove the cap (3) and clean the filter. M18M-07-053 M18M-07-066 M18M-07-067 7-127...

  • Page 267: Check And Adjust Track Sag

    MAINTENANCE Check and Adjust Track Sag --- every 50 hours WARNING: Be sure to place blocks under the machine frame to support the machine when one track is raised off ground. 90 to Swing the upperstructure 90° and lower the bucket to raise 110°...

  • Page 268

    MAINTENANCE Loosen the Track WARNING: Do not loosen valve (1) quickly or loosen it too much as high-pressure grease in the adjusting cylinder may spout out. Loosen carefully, keeping body parts and face away from valve (1). Never loosen grease fitting (2). IMPORTANT: When gravel or mud is packed between sprockets and track links, remove it be- fore loosening.

  • Page 269: Check Accumulator And Track Adjuster Cylinder Circuit

    MAINTENANCE Check Accumulator and Track Adjuster Cyl- inder Circuit --- every year WARNING: Accumulator (1) in the track adjuster cylinder circuit is charged with high-pressure ni- trogen. Be sure to release pressure before ser- vicing the hose between accumulator and track adjuster cylinder circuit, following the procedure shown below.

  • Page 270: And Nuts

    MAINTENANCE Check Tightening Torque of Bolts and Nuts --- every 250 hours (first time after 50 hours) Check tightness after the first 50 hours then every 250 hours. Tighten to torque shown if any are loose. Bolts and nuts should be replaced with those of the same or higher grade.

  • Page 271

    MAINTENANCE Tightening Torque Chart Hexagon Wrench Wrench Bolt Dia. Size Size M552-07-091 M552-07-090 M157-07-225 Socket Bolt (kgf m) (lbf ft) (kgf m) (lbf ft) (kgf m) (lbf ft) (3.1) (22) (2.0) (15.0) (1.0) (7.4) (6.6) (48) (5.1) (37) (2.0) (15.0) (11.0) (81) (9.2)

  • Page 272

    MAINTENANCE 1. Engine cushion rubber mounting bolts. Tool: 55 mm Torque: 3140 N m (320 kgf m, 2310 lbf ft) M18M-07-058 2. Engine bracket mounting bolts. Engine flywheel side Tool: 50 mm Torque: 1950 N m (200 kgf m, 1440 lbf ft) Tool: 30 mm Torque:...

  • Page 273

    MAINTENANCE 3. Hydraulic tank mounting bolts. Tool: 50 mm Torque: 1910 N m (195 kgf m, 1410 lbf ft) M146-07-052 4. Fuel tank mounting bolts. Tool: 50 mm Torque: 1910 N m (195 kgf m, 1410 lbf ft) M146-07-053 5. Pump transmission mounting bolt. Tool: 19 mm Torque:...

  • Page 274

    MAINTENANCE 7. Gear pump mounting bolt. Tool: 22 mm Torque: 140 N m (14 kgf m, 103 lbf ft) 146-07-076 8. Air con. compressor drive pump mounting bolt. Tool: 22 mm Torque: 140 N m (14 kgf m, 103 lbf ft) M146-07-076 9.

  • Page 275

    MAINTENANCE 11. Swing motor mounting bolt. Tool: 30 mm Torque: 390 N m (40 kgf m, 290 lbf ft) M146-07-028 12. Battery mounting bolts. Tool: 10 mm Torque: 20 N m (2 kgf m, 15 lbf ft) 13. Cab mounting bolt. M146-07-080 Tool: 27 mm...

  • Page 276

    MAINTENANCE 15. Cab cushion rubber mounting bolts. Tool: 19 mm Torque: 110 N m (11 kgf m, 81 lbf ft) (Front Side) M146-07-063 (Rear Side) M146-07-064 7-137...

  • Page 277

    MAINTENANCE 16. Swing bearing mounting bolt. Upperstructure Tool: 85 mm Torque: 9810 N m (1000 kgf m, 7230 lbf ft) Track M144-07-100 Remove cover (A) and check the tightening torque. Tool: 85 mm Torque: 9810 N m (1000 kgf m, 7230 lbf ft) M146-07-023 17.

  • Page 278

    MAINTENANCE 18. Travel motor mounting bolt. Tool: 30 mm Torque: 390 N m (40 kgf m, 290 lbf ft) M145-07-079 19. Upper roller mounting bolt. Tool: 32 mm Torque: 740 N m (75 kgf m, 540 lbf ft) M146-07-077 20. Lower roller mounting bolt. Tool: 70 mm Torque:...

  • Page 279

    MAINTENANCE 21. Radiator mounting bolts. Tool: 41 mm Torque: 1370 N m (140 kgf m, 1010 lbf ft) 22. Travel device mounting bolts. M146-07-058 Tool: 46 mm Torque: 1910 N⋅m (195 kgf⋅m, 1410 lbf⋅ft) Tool: 60 mm M145-07-048 Torque: 4410 N⋅m (450 kgf⋅m, 3250 lbf⋅ft) Tool: 30 mm Torque: 390 N⋅m (40 kgf⋅m, 290 lbf⋅ft) M145-07-079...

  • Page 280

    MAINTENANCE 23. Side frame mounting bolt. Tool: 85 mm Torque: 9810 N⋅m (1000 kgf⋅m, 7230 lbf⋅ft) M145-07-095 24. Track pin-retaining bolt. Tool: 46 mm Torque: 1910 N⋅m (195 kgf⋅m, 1410 lbf⋅ft) M117-07-089 7-141...

  • Page 281

    MAINTENANCE 25. Front pin-retaining bolts. (Loader) Tool Torque N⋅m (kgf⋅m) (lbf⋅ft) (65) (21) (152) (95) (690) (55) (400) 1029 (105) (760) (Hex. Wrench) M146-07-018 M118-07-053 M118-07-114 M118-07-115 7-142...

  • Page 282

    MAINTENANCE 26. Front pin-retaining bolt. (Backhoe) (A) Tool: 30 mm Torque: 390 N⋅m (40 kgf⋅m, 290 lbf⋅ft) (B) Tool: 24 mm Torque: 205 N⋅m (21 kgf⋅m, 152 lbf⋅ft) (C) Tool: 36 mm Torque: 932 N⋅m (95 kgf⋅m, 687 lbf⋅ft) M146-07-018 T146-01-03-002 M146-07-078 7-143...

  • Page 283

    MAINTENANCE MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................7-144...

  • Page 284: Maintenance Under Special Environmental Conditions

    MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS Operating Conditions Precautions for Maintenance Muddy Soil, Rainy or Before Operation: Check the tightness of plugs and all drain cocks. Snowy Weather After Operation: Clean the machine and check for cracks, damaged, loose or missing bolts and nuts.

  • Page 285

    MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 286: Storing The Machine

    STORAGE STORING THE MACHINE 1. Inspect the machine. Repair worn or damaged parts. Install new parts if necessary. 2. Clean the outer air cleaner element. 3. Retract all hydraulic cylinders, if possible. If not, coat exposed cylinder rods with grease. 4.

  • Page 287: Removing The Machine From Storage, Transporting The Machine

    STORAGE REMOVING THE MACHINE FROM STOR- WARNING: Start the engine ONLY in a well-ventilated place. 1. Remove grease from the cylinder rods if coated. 2. Adjust alternator belt tension. 3. Fill the fuel tank. Bleed air from the fuel system. Check all fluid levels.

  • Page 288: Cummins Fault Code Lamps And Diagnostic Switches

    TROUBLESHOOTING CUMMINS FAULT CODE LAMPS AND DIAGNOSTIC SWITCHES Cummins fault code lamp (1) and diagnostic switch are located inside electric equipment box (2) in the room (A) under the cab. 3- Maintenance lamp 4- Warning lamp 5- Stop lamp 6- Diagnostic switch 7- Increment and decrement switch M18M-07-053 Active Cummins fault code can be read using the warning...

  • Page 289: Engine

    TROUBLESHOOTING ENGINE Problem Cause Solution Engine Cranks But Will Emergency engine stop switch Turn switch off (to NORMAL) Not Start or Hard to Start No fuel Add fuel. Bleed air. Wrong fuel Drain tank. Use correct fuel. Contaminated fuel Drain tank and add clean fuel. Low battery power Charge or install new battery.

  • Page 290: Troubleshooting

    TROUBLESHOOTING ENGINE Problem Cause Solution Engine Not Developing Full Air filters plugged Replace filter elements. Power Fuel line restricted Repair or replace fuel line. Contaminated fuel Drain fuel tank and clean outlet screen. Refill. Fuel filters plugged Change filters. Plugged fuel tank breather Clean or install new breather.

  • Page 291

    TROUBLESHOOTING ENGINE Problem Cause Solution Coolant Temperature Too Low Thermostat See your authorized dealer. Temperature gauge or sending unit See your authorized dealer. Low Engine Oil Pressure Engine oil pump or pump drive See your authorized dealer. Low oil level Add oil.

  • Page 292

    TROUBLESHOOTING ENGINE Problem Cause Solution Exhaust Gas is White Wrong fuel Drain tank. Use correct fuel. Cold engine Run engine until warm. Thermostat faulty or too “cool” See your authorized dealer. Coolant leakage into engine cylinder See your authorized dealer. Turbocharger Excessively Bearings not lubricated Insufficient oil pressure.

  • Page 293: Electrical System

    TROUBLESHOOTING ELECTRICAL SYSTEM Problem Cause Solution Nothing Works Battery Recharge or replace. Nothing Works Battery relay Replace relay. (Except clock) Batteries Undercharged Loose or corroded connections Clean and tighten or replace batteries. Alternator belt loose Tighten or install new belt. Alternator not charging See your authorized dealer.

  • Page 294

    TROUBLESHOOTING ELECTRICAL SYSTEM Problem Cause Solution Engine Cranks Slowly Battery discharged or will not hold a Replace battery. charge Starter “dragging” See your authorized dealer. Low battery voltage Recharge or replace battery. Starter Motor Continues to Start relay stuck See your authorized dealer. Run After Engine Starts Starter solenoid stuck See your authorized dealer.

  • Page 295

    TROUBLESHOOTING ELECTRICAL SYSTEM Problem Cause Solution No Indicators in Gauge Panel Circuit board See your authorized dealer. Operate Wiring harness See your authorized dealer. Fuse Replace fuse. Indicator Light in Gauge Panel Bulb Replace bulb. is Inoperative Fuse Replace fuse. Sender Do sender check.

  • Page 296: Mode Selection

    TROUBLESHOOTING MODE SELECTION Problem Cause Solution Fast/Slow Travel Speed Travel mode switches See your authorized dealer. Does Not Function Pilot pressure switch (Travel) See your authorized dealer. Pump delivery pressure sensor wire See your authorized dealer. harness Main controller See your authorized dealer. Solenoid valve unit See your authorized dealer.

  • Page 297

    TROUBLESHOOTING HYDRAULIC SYSTEM Problem Cause Solution Hydraulic Oil Overheats Oilcooler core plugged Clean and straighten fins. Fan damaged Replace fan. Worn fan motor or pump See your authorized dealer. Oil Foams Air leak in line from reservoir to pump Repair leak or see your authorized dealer.

  • Page 298

    TROUBLESHOOTING HYDRAULIC SYSTEM Problem Cause Solution One Control Lever Does Not Relief valve pressure low See your authorized dealer. Work Tube or hose damaged Repair or replace. Hydraulic fittings loose Tighten. Damaged O-rings in fittings Install new O-ring. Hydraulic Pump See your authorized dealer.

  • Page 299

    TROUBLESHOOTING HYDRAULIC SYSTEM Problem Cause Solution Swing Does Not Work Swing motor See your authorized dealer. Electric lever See your authorized dealer. Pillot lines See your authorized dealer. Swing is Not Smooth Swing gear See your authorized dealer. Swing bearing See your authorized dealer.

  • Page 300: Specifications

    SPECIFICATIONS SPECIFICATIONS M18M-12-001 Model EX3600- Hydraulic Excavator Type of Front-End Attachment Loader Front Backhoe Front Bucket Capacity (Heaped) PCSA 21.0 m (27.5 yd PCSA 22.0 m (28.8 yd Operating Weight 361000 kg (795900 lb) 359000 kg (791500 lb) Cummins QSK60-C Engine 1450 kW/1800 min (1971PS/1800 rpm)

  • Page 301: Working Range (loading Shovel)

    SPECIFICATIONS WORKING RANGE Loading Shovel M18M-12-002 Category Loading Shovel Item 5850 mm (19 ft 2 in) A: Minimum Digging Distance 8870 mm (29 ft 1 in) B: Minimum Level Crowding Distance C: Level Crowding Distance 5050 mm (16 ft 7 in) 15220 mm (49 ft 11 in) D: Maximum Digging Reach 16300 mm (53 ft 6 in)

  • Page 302: Working Range (backhoe)

    SPECIFICATIONS WORKING RANGE Backhoe M18M-12-003 Category Backhoe Item 18190 mm (59 ft 8 in) A: Maximum Digging Reach 17610 mm (57 ft 9 in) B: Maximum Digging Reach (on grond) C: Maximum Digging Depth 8580 mm (28 ft 2 in) 17690 mm (58 ft 1 in) D: Maximum Cutting Height 11590 mm (38 ft 0 in)

  • Page 303

    SPECIFICATIONS MEMO ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................12-4...

  • Page 304: Index

    Control Lever (HITACHI Pattern Fuel Gauge ............1-11 Loading Shovel) ........... 5-4 Fuel System ............7-74 Control Lever (HITACHI Pattern Backhoe) ..5-2 Fuel Temperature Indicator........1-14 Control Lever (ISO Pattern Backhoe) ....5-1 Control Lever (ISO Pattern Loading Shovel) ..5-3 Coolant Level Indicator ........1-14 General Precautions for Cab.......

  • Page 305: Table Of Contents

    INDEX OPERATOR’S STATION ........1-8 HANDLING STAIRWAY/EMERGENCY ROPE... 1-2 Object Handling........S-16, 5-18 Handle Chemical Products Safely .....S-28 Observe Machine Closely ........2-1 Handle Fluids Safely − Avoid Fires ....S-17 Open Access Doors for Service......7-5 Handle Starting Aids Safely .........S-6 Opening Cab Left Window .........1-45 Heating ..............

  • Page 306: Table Of Contents

    INDEX Service Air Conditioning System Safely.....S-27 Working Range (Loading Shovel) ......12-2 Specifications ........... 12-1 Stairway Position Indicator......... 1-18 Starting Check Screen......... 1-9 Starting in Cold Weather ........3-9 Starting the Engine ..........3-8 Status Indicators ..........1-18 Stay Clear of Moving Parts ........S-19 Steering the Machine Using Levers.....

Comments to this Manuals

Symbols: 0
Latest comments: