1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Excavators
  5. ZAXIS 17U-2
  6. Operator's manual

Hitachi ZAXIS 17U-2 Operator's Manual

Hydraulic excavator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Advertisement

Table of Contents
loading

Related Manuals for Hitachi ZAXIS 17U-2

Summary of Contents for Hitachi ZAXIS 17U-2

  • Page 2 INTRODUCTION Read this manual carefully to learn how to operate Warranty is provided as a part of Hitachi's support and service your machine correctly. Failure to do so program for customers who operate and maintain their could result in personal injury or equipment damage.
  • Page 3 MACHINE NUMBERS SAFETY SAFETY SIGNS COMPONENTS NAME OPERATOR’S STATION BREAK-IN OPERATING ENGINE DRIVING THE MACHINE OPERATION TRANSPORTING MAINTENANCE CONSUMABLE PARTS LIST MAINTENENCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS STORAGE TROUBLESHOOTING SPECIFICATIONS REFERENCE INDEX...

  • Page 4: Table Of Contents

    Control Lever (ISO Excavator Pattern) ....5-1 Precautions for Welding and Grinding ....S-27 Control Lever Avoid Heating Near Pressurized Fluid Lines..S-27 (H-Pattern: Hitachi Excavator Pattern) ..5-2 Avoid Applying Heat to Lines Containing Control Lever Flammable Fluids ........S-27 (SAE-Backhoe Pattern) --- If Equipped Remove Paint Before Welding or Heating ..
  • Page 5 CONTENTS Boom-Swing Pedal ..........5-4 B. Engine ............7-17 Auxiliary Pedal (Optional)........5-5 Engine Oil............ 7-17 Blade Lever ............5-6 Change Engine Oil ........7-17 Precautions for Blade Operation......5-7 Replace Engine Oil Filter......7-17 Side Frame Extend/Retract Lever......5-8 C. Transmission ..........7-19 Pilot Control Shut-Off Lever .......5-10 Travel Reduction Gear ........
  • Page 6 CONTENTS STORAGE Storing the Machine ...........10-1 Removing the Machine from Storage ....10-2 TROUBLESHOOTING Engine ...............11-1 Electrical System ..........11-1 Hydraulic System ..........11-2 SPECIFICATIONS Specifications ...........12-1 Working Ranges ..........12-2 Shoe Types and Applications......12-3 Bucket Types and Applications......12-4 REFERENCE Additional Counterweight ........13-1 INDEX ..............14-1...
  • Page 7 CONTENTS MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 8 MACHINE NUMBERS The manufacturing Nos. explained in this group is the individual number (serial No.) given to each machine and hydraulic components. These numbers are requested when inquiring any information on the machine and/or components. Fill these serial Nos. in the blank spaces in this group to immediately make them available upon request.

  • Page 9: Machine Numbers

    MACHINE NUMBERS MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 10: Recognize Safety Information

    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: Follow Safety Instructions

    • If a safety sign or this manual is damaged or missing, order a replacement from your nearest Hitachi dealer in the same way you order other replacement parts (be sure to state machine model and serial number when ordering).

  • Page 12: Wear Protective Clothing

    SAFETY WEAR PROTECTIVE CLOTHING • Wear close fitting clothing and safety equipment appro- priate to the job. You may need: A hard hat Safety belt 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: Use Handholds And Steps

    SAFETY TIDY UP INSIDE OPERATOR’S SPACE • Always keep inside the operator’s space clean by ob- serving instructions below, to prevent any personal ac- cidents from occurring. • Remove mud and/or oily material from the shoe soles before entering the operator’s space. If pedals are oper- ated without removing mud or oily matter, the foot may slip off the pedal, possibly creating a hazardous situa- tion.

  • Page 14: Adjust The Operator's Seat

    SAFETY ADJUST THE OPERATOR'S SEAT • A poorly adjusted seat for either the operator or for the work at hand may quickly fatigue the operator leading to mis-operation of the machine. • The seat should be adjusted whenever the operator for the machine changes.

  • Page 15: Move And Operate Machine Safely

    SAFETY MOVE AND OPERATE MACHINE SAFELY • Always be aware that there is a potential danger around the machine while operating the machine. • Take extra care not to run over bystanders. Confirm the location of bystanders before moving, swinging, or operating the machine.

  • Page 16: Operate Only From Operator's Seat

    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 when seated in the operator's seat. • NEVER start the engine while standing on the tracks or on ground.

  • Page 17: Investigate Job Site Beforehand

    SAFETY INVESTIGATE JOB SITE BEFOREHAND • When working at the edge of an excavation or on a road shoulder, the machine could tip over due to collapse of the ground, 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: Provide Signals For Jobs Involving Multiple Numbers Of Machines

    SAFETY PROVIDE SIGNALS FOR JOBS INVOLVING MULTIPLE NUMBERS OF MACHINES • In case more than one machine is operated in the same job site, accidental collision between machines may cause serious injury or death. • For jobs involving multiple numbers of machines, provide signals commonly known by all personnel involved.

  • Page 19: Drive Machine Safely

    SAFETY DRIVE MACHINE SAFELY • Driving the machine in the incorrect direction may result in serious injury or death and/or severe damage to property. • Before moving the machine, confirm which way to move travel pedals/levers for the corresponding di- rection you wish to travel.

  • Page 20: Avoid Injury From Rollaway Accidents

    SAFETY AVOID INJURY FROM ROLLAWAY ACCIDENTS • Death or serious injury may result if you attempt to mount or try to bodily stop a moving machine. • Park the machine in compliance with the safe parking procedures described on page S-17 to prevent the machine from running away.

  • Page 21: Avoid Injury From Back-Over And Swing Accidents

    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: Keep Personnel Clear From Working Area

    SAFETY KEEP PERSONNEL CLEAR FROM WORKING AREA • If a person is present near the operating machine, the person may come in contact with the swinging front attachment or counterweight and/or may be crushed against an other object, resulting in serious injury or death.

  • Page 23: Avoid Tipping

    SAFETY AVOID TIPPING • The danger of tipping is always present when operating on a grade, possibly resulting in serious injury or death. To avoid tipping: • Be extra careful before operating on a grade. • Prepare machine operating area flat. •...

  • Page 24: Dig With Caution

    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 cables, gas lines, and water lines.

  • Page 25: Do Not Use For Craning Operations

    SAFETY DO NOT USE FOR CRANING OPERATIONS • NEVER use the machine for craning operations. If the machine is used for craning operations, the machine may tip over and/or lifted load may fall, possibly resulting in serious injury or death. •...

  • Page 26: Park Machine Safely

    SAFETY PARK MACHINE SAFELY • Unless the machine is not correctly parked, any hazardous situations such as running away of the machine or damage by vandalism may result, causing the machine to operate unsafely when the engine is re-started. Follow instructions described below when parking the machine.

  • Page 27: Safety Transporting

    SAFETY SAFETY TRANSPORTING • The danger of tipping is present when loading/unloading the machine onto/from a truck or trailer bed. • Be sure to observe local regulations when transporting the machine on public roads. • Provide an appropriate truck or trailer for transporting SA-1307 the machine.

  • Page 28: Practice Safe Maintenance

    SAFETY PRACTICE SAFE MAINTENANCE • Inspection/maintenance work may produce hazardous situations by contacting and/or accessing a part of body to a moving, high pressure, and/or high temperature part of the machine. To avoid serious personal injury or death, follow the instructions described below. •...

  • Page 29: Warn Others Of Service Work

    SAFETY • Disconnect battery ground cable (−) before making adjustments to electrical systems or before welding on the machine. • Sufficiently illuminate the work site. Use a maintenance 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, antifreeze fluid, or window washer fluid may catch fire.

  • Page 30: Stay Clear Of Moving Parts

    SAFETY STAY CLEAR OF MOVING PARTS • Contact with moving parts can cause serious injury or death due to amputation or entanglement. • To prevent accidents, care should be taken to ensure that hands, feet, clothing, jewelry and hair do not become entangled when working around rotating parts.

  • Page 31: Store Attachments Safely

    SAFETY STORE ATTACHMENTS SAFELY • Stored attachments such as buckets, hydraulic hammers, and blades can fall and cause serious injury or death. • Securely store attachments and implements to prevent falling accidents. • Keep children and bystanders away from storage areas.

  • Page 32: Replace Rubber Hoses Periodically

    SAFETY REPLACE RUBBER HOSES PERIODICALLY • Rubber hoses that contain flammable fluids such as hydraulic oil or fuel under pressure may break due to aging, fatigue, and abrasion. It is very difficult to gauge the extent of deterioration due to aging, fatigue, and abrasion of rubber hoses by visual inspection alone.

  • Page 33: Prevent Fires

    SAFETY PREVENT FIRES Check for Oil Leaks: • Fuel, hydraulic oil and lubricant leaks can lead to fires, possibly resulting in personal injury or death. • Check for 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, for oil leaks.
  • Page 34 SAFETY Precautions for Handling Flammables • Spilled fuel and oil, and trash, grease, debris, accumulated coal dust, and other flammables may cause fires. • Prevent fires by inspecting and cleaning the machine daily, and by removing spilled or accumulated flammables immediately. •...

  • Page 35: Evacuating In Case Of Fire

    SAFETY EVACUATING IN CASE OF FIRE • If fire breaks out during machine operation, evacuate the machine in the following way: • Stop the engine by turning the key switch to the OFF position. • Use a fire extinguisher if there is time. •...

  • Page 36: Precautions For Welding And Grinding

    SAFETY PRECAUTIONS FOR WELDING AND GRINDING • 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 37: Remove Paint Before Welding Or Heating

    SAFETY REMOVE PAINT BEFORE WELDING OR HEATING • Hazardous fumes can be generated when paint is heated by welding, soldering, or using a torch. If inhaled, these fumes may cause sickness. • Remove paint before welding or heating. • Avoid potentially toxic fumes and dust. •...

  • Page 38: Handle Chemical Products Safely

    • Improperly disposing of waste can threaten the environment and ecology. Potentially harmful waste used with HITACHI equipment includes such items as oil, fuel, coolant, brake fluid, filters, and batteries. • When draining fluid, use a leakproof container with a capacity larger than the drained fluid volume to receive it.
  • Page 39 SAFETY MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................S-30...

  • Page 40: Safety Signs

    Use the part No. indicated under the right corner of each safety sign illustration when placing an order of it to the Hitachi dealer. SS3079466 SS-2866...
  • Page 41 SAFETY SIGNS SS4387344 SS-2901 SS3090482 SS-2869 SS-2870 SS3088058 S-32...
  • Page 42 SAFETY SIGNS SS4433590 SS-2871 SS4604981 SS-2872 SS4642517 SS-2873 S-33...
  • Page 43 SAFETY SIGNS SS4430516 SS-2902 (2Way Multi Lever Equipped Machines) SS4605065 SS-2875 SS-2876 SS3110371 S-34...
  • Page 44 SAFETY SIGNS ROPS/TOPS/FOPS Canopy • To maintain unimpaired operator protection and manufacture’s protective structure • Damaged Roll Over Protective Structure (ROPS), Tip Over Protective Structure (TOPS), Falling Object Protective Structure (FOPS) must be replaced, not repaired or revised. • Any alternation to the ROPS or TOPS or FOPS must be approved by the manufacturer.
  • Page 45 SAFETY SIGNS MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................S-36...

  • Page 46: Components Name

    COMPONENTS NAME COMPONENTS NAME M1MS-01-001 1- Counterweight 7- Arm 13- Boom-Swing Cylinder 2- Canopy 8- Bucket 14- Track Shoe 3- Boom 9- Boom Cylinder 15- Track Frame 4- Work Light 10- Blade 16- Travel Device 5- Arm Cylinder 11- Blade Cylinder 6- Bucket Cylinder 12- Front Idler...

  • Page 47: Operator's Station

    OPERATOR’S STATION PEDALS, LEVERS AND MONITOR PANEL 1- Left Control Lever 2- Pilot Control Shut-Off Lever 3- Attachment Pedal (Optional) 4- Left Travel Lever 5- Right Travel Lever 6- Right Control Lever / Horn Switch 7- Boom-Swing Pedal 8- Blade Lever 9- Key Switch 10- Engine Control Lever M1MS-01-002...

  • Page 48: Key Switch

    OPERATOR’S STATION KEY SWITCH 1- OFF (Engine OFF) 2- ON (Engine ON) 3- START (Engine Start) 4- HEAT (Engine Preheat) M1M7-01-007 SWITCH PANEL 5- Work Light Switch Press the switch (5) to turn work lights (9) located on the boom ON. 6- Travel Alarm Deactivation Switch Push the travel alarm deactivation switch (6) to stop the alarm.

  • Page 49: Monitor Panel

    OPERATOR’S STATION MONITOR PANEL 1- Alternator Indicator 2- Fuel Level Indicator 3- Preheat Indicator 4- Overheat Indicator 5- Engine Oil Pressure Indicator 6- Hour Meter 7- Fuel Gauge 8- Coolant Temperature Gauge M1MS-01-005 Alternator Indicator The red indicator will light when low alternator output is present.

  • Page 50: Engine Oil Pressure Indicator

    OPERATOR’S STATION Engine Oil Pressure Indicator The red indicator will light when the engine oil pressure is low. If the red indicator comes ON, the engine oil pressure warning buzzer will sound at the same time. Immediately stop the engine. Check the engine oil pressure system and the oil level for any abnormality.

  • Page 51: Adjusting Operator's Seat

    OPERATOR’S STATION ADJUSTING OPERATOR’S SEAT Seat Fore-Aft Adjustment Operate seat fore-aft slide lever (1). Seat fore-aft posi- tion can be adjusted at the interval of 20 mm in 6 steps (120 mm in total). M1MS-01-009 TOOL AND OPERATOR’S MANUAL BOXES Tool box (2) is located under the operator’s seat and op- erator’s manual box (3) is located behind the backrest of the operator’s seat respectively.

  • Page 52: 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 seat belt (1), buckle (2), or attaching hardware. Replace seat belt (1), buckle (2), or attaching hardware if they are damaged, or worn.
  • Page 53 OPERATOR’S STATION MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 54: Break-In

    BREAK-IN BREAKING IN NEW MACHINE IMPORTANT: Operating a new machine at full load without first breaking in can cause scratches and/or seizures, consequently affecting the service life of the machine. Thoroughly perform break-in operation. The service life and performance of the machine can be greatly affected by operation and maintenance of the ma- chine during the initial stage of operation.
  • Page 55 BREAK-IN MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 56: Operating The Engine

    (4) fails to light after indicator light check is completed, the machine may have trouble. Immediately M1M7-01-007 contact your nearest Hitachi dealer for repair. 4. Adjust the seat position so that all pedals and control levers can be fully stroked to any position when seated in the operator’s seat with the operator’s back...

  • Page 57: Starting Engine

    OPERATING ENGINE STARTING ENGINE Starting in Ordinary Temperature 1. Check that pilot control shut-off lever (1) in the LOCK position. 2. Turn engine control lever (3) to the slow idle position. 3. Sound the horn to alert bystanders. 4. Turn key switch (2) to rotate the starter. The engine will be started.

  • Page 58: Starting In Cold Weather

    OPERATING ENGINE STARTING IN COLD WEATHER 1. Check that pilot control shut-off lever (1) is in the LOCK position. 2. Turn engine control lever (3) to around the middle between the slow and fast idle positions. 3. Turn key switch (2) to the HEAT position and hold it in that position for approx.

  • Page 59: Check Machine After Starting Engine

    OPERATING ENGINE CHECK MACHINE AFTER STARTING ENGINE IMPORTANT: In case any abnormality is found in the monitor, immediately stop the engine. Trace the cause of the problem. Check Using the Monitor After the engine has started, check the following points through the monitor.

  • Page 60: Using Booster Batteries

    OPERATING ENGINE USING BOOSTER BATTERIES WARNING: An explosive gas is produced while a battery is in use or being charged. Keep flames or sparks away from the battery area. Park the ma- chine and booster battery machine on a dry, firm or concrete surface, not on steel plates.

  • Page 61: Stopping The Engine

    OPERATING ENGINE STOPPING THE ENGINE Stop the engine following the steps below. 1. Before stopping the engine, lower the bucket and blade to the ground unless specified. 2. Return the engine control lever to the slow idle posi- tion and keep the engine running at slow idle speed for 5 minutes.

  • Page 62: Driving The Machine

    DRIVING THE MACHINE TRAVEL LEVERS Front Travel operation can be performed with the mechanical levers. Blade WARNING: In the standard traveling position, the front idlers are located in front of the operator’s seat and the travel motors at the rear. If the travel motors are positioned at the front of the machine, Left Right...
  • Page 63 DRIVING THE MACHINE • Pivot Turn Steer the machine by driving only one side crawler. Operate either of the travel levers. • M1MF-04-001 Spin Turn M104-04-005 Pivot Turn Steer the machine in a position by driving both side crawlers in opposite directions each other. Move one lever forward and pull the other back at the same time.

  • Page 64: Travel Mode Pedal

    DRIVING THE MACHINE TRAVEL MODE PEDAL WARNING: Never attempt to shift the travel mode from the slow to fast while descending a slope. Return the travel levers to neutral once before shifting the travel mode. Depress the travel mode pedal (1) to select the fast travel mode while depressing.

  • Page 65: Precautions For Traveling

    DRIVING THE MACHINE PRECAUTIONS FOR TRAVELING CAUTION: Use a signal person when traveling the machine along road shoulders or in congested areas. • Determine which way to move travel levers for the direction you want to go before moving machine. •...

  • Page 66: Traveling On Soft Ground

    DRIVING THE MACHINE TRAVELING ON SOFT GROUND Avoid traveling on soft ground as much as possible. If traveling on a soft ground is unavoidable, carefully operate the machine while observing the following points. • Drive the machine as far as the machine can move by own propelling power.

  • Page 67: Towing Machine

    DRIVING THE MACHINE TOWING MACHINE In case it is difficult for the machine to evacuate from a soft terrain by own propelling power, Attach wire ropes as illustrated to the right. Tow the machine using another Wire Ropes machine. Be sure to attach the wire ropes around the track frames.

  • Page 68: Driving In Water Or On Soft Ground

    Grease must be changed or M1MS-04-001 overhauling will be required immediately. Stop operating the machine as soon as Operable Water Depth (A) possible, and contact your nearest 370 mm (1 ft 3 in) Hitachi dealer.

  • Page 69: 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. Be sure to travel at slow speed on slopes. Never attempt to travel on slopes with the bucket loaded or any load suspended by the bucket.

  • Page 70: Parking And Stopping On Slopes

    DRIVING THE MACHINE PARKING AND STOPPING ON SLOPES WARNING: Parking and/or stopping on slopes is extremely dangerous. Avoid parking and/or stopping the machine on slopes. If parking and/or stopping on slopes is unavoidable, lower both the bucket and the blade to the ground, and place all levers in the neutral position.
  • Page 71 DRIVING THE MACHINE MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................4-10...
  • Page 72 OPERATION CONTROL LEVER (ISO EXCAVATOR PATTERN) WARNING: Be sure to check the location and function of each control lever before operating. The upperstructure and/or front attachment may unexpectedly move when attempting to turn and look behind the machine as a part of operator’s body may come into contact with the control lever(s).

  • Page 73: Operation

    Labels displaying the available lever control patterns are provided at the right of the operator. As illustrated below, the labels with H pattern mark at the right bottom corner indicate the HITACHI Excavator Pattern. M1MS-05-003 M1LA-05-014 When a control lever is released, it automatically returns to neutral, stopping the function in that position.

  • Page 74: (2 Way Multi Valve)

    OPERATION CONTROL LEVER (SAE-BACKHOE PATTERN) --- IF EQUIPPED (2 Way Multi Valve) WARNING: Make sure you know the location and function of each control lever before operating. The upperstructure and/or front attachment may unexpectedly move in an attempt to look back because a part of operator’s body may come into contact with the control lever(s).

  • Page 75: Boom-Swing Pedal

    OPERATION BOOM-SWING PEDAL Use the boom swing function to efficiently operate the machine when excavating grooves along roadsides or near walls. The boom swing operation is performed using boom-swing pedal (1) located at the operator’s right foot as illustrated to the right. Boom-Swing Operation 1.

  • Page 76: Auxiliary Pedal (Optional)

    OPERATION AUXILIARY PEDAL (OPTIONAL) Use the auxiliary pedal (2) located at the operator’s left front, as illustrated to the right, to operate hydraulic breaker, crusher, etc. Operation 1. Turn auxiliary pedal cover (1) forward. 2. Step on the right or the left side of the auxiliary pedal (2) to operate the front-end attachment such as a hydraulic breaker 3.

  • Page 77: Blade Lever

    OPERATION BLADE LEVER Use blade lever (1) on the operator’s right to raise and lower the blade. When the lever is released, it automatically returns to neutral, holding the blade in the present position until the lever is operated again. M1MS-05-001 2- Blade Raise 3- Blade Lower...

  • Page 78: Precautions For Blade Operation

    OPERATION PRECAUTIONS FOR BLADE OPERATION This blade is designed as a light service attachment of the hydraulic excavator. Please keep the following points in mind: • This blade is designed for bull dozing work only. Do not attempt to dig deeply with the blade. Doing so may damage not only the blade but the undercarriage as well.

  • Page 79: Side Frame Extend/Retract Lever

    OPERATION SIDE FRAME EXTEND / RETRACT LEVER To adjust the side frame width, operate side frame extend /retract lever (1) as illustrated to the right. WARNING: Operate the machine with the side frames fully extended (1280 mm) or retracted (970 mm).
  • Page 80 OPERATION Extending / Retracting Blade Width Change the blade width in accordance with the side frame extension / retraction. When working with the blade contact to ground, there are some cases that it is difficult to remove the pins. Work after raising the blade, and stopping the engine. When extending the blade width: 1.

  • Page 81: Pilot Control Shut-Off Lever

    UNLOCK position with all control levers and pedals in neutral, the machine may be experiencing trouble. Immediately return pilot control shut-off lever (1) to the LOCK position and stop the engine. Contact your nearest Hitachi dealer for repair. 5-10...

  • Page 82: Warming Up Operation

    OPERATION WARMING UP OPERATION The normal operating temperature of hydraulic oil is between 50 and 80°C (122 and 176°F). Hydraulic components may be seriously damaged if the machine is operated when the hydraulic oil temperature is below 20°C (68°F). Before starting work, be sure to follow these warm-up procedures until the temperature of the hydraulic oil reaches above 20°C (68°F).

  • Page 83: Precautions For Operations

    OPERATION PRECAUTIONS FOR OPERATIONS WARNING: Thoroughly make certain safety at the work site before starting operations. Especially always observe the following points. • Be sure to install the overhead cab guard before operating the machine in areas where the possibility of falling stones or debris exists. •...

  • Page 84: Operating Backhoe

    OPERATION OPERATING BACKHOE • Select an arm and bucket whose specifications match the working conditions. (Refer to “Kinds and Applications of Buckets” in the specification section.) • Pull the bucket toward the machine using the arm as the main digging force. •...

  • Page 85: Grading Operation

    OPERATION GRADING OPERATION Use the blade for soil refilling and general grading operations after excavation. Grading operation can be also performed by operating the boom, arm, and bucket simultaneously. IMPORTANT: When grading the ground with the bucket, do not pull or push dirt with the bucket while traveling the machine like a bulldozer.

  • Page 86: Avoid Striking With Bucket

    OPERATION AVOID STRIKING WITH BUCKET WARNING: The bucket bottom is curved. Therefore, hammering or piling work with the WRONG bucket is very hazardous. In addition, damage to the bucket and the front attachment parts may result. Hammering or piling work with the bucket may create hazardous situations.

  • Page 87: Avoid Other Than Specified Machine Operations

    OPERATION AVOID OTHER THAN SPECIFIED MACHINE OPERATIONS This machine has been exclusively designed for excavation and loading works. Do not apply this machine to works other than excavation and loading. Do not operate the machine under any conditions beyond these specifications. Precautions for Lifting Work •...

  • Page 88: Precautions For Using Bucket Hook

    OPERATION PRECAUTIONS FOR USING BUCKET HOOK WARNING: Even though a hook equipped with a wire rope guide is used, wire rope may come off the bucket hook if the machine is improperly operated. During lifting work of objects such as steel planks, steel building materials, or electric concrete masts, when the lifted object is lowered to the ground, the wire rope may come off the bucket hook.

  • Page 89: Avoid Hitting Blade With Bucket

    OPERATION AVOID HITTING BLADE WITH BUCKET When rolling in the arm in a travel or transportation position, be careful not to hit the blade with the bucket. M586-05-017 AVOID COLLIDING BLADE AGAINST ROCKS Do not attempt to allow the blade to collide with rocks. Premature damage to the blade and the blade cylinders may result.

  • Page 90: Using Rubber Crawler

    OPERATION USING RUBBER CRAWLER Rubber crawlers are designed to allow the machine to travel without damaging road surfaces such as paved road surfaces. Avoid damage to the rubber crawlers by following the precautions below: Forbidden Operations 1. Do not operate or steer the machine on or near river-terrace, boulder and boulder mixed ground, crushed-stone ground, uneven hardpan surfaces, stumps, reinforcing bars, scraps, and steel plate...
  • Page 91 6. If the rubber crawler is damaged and the rubber crawler core wire rusts, the service lifetime of the Rubber Crawler rubber crawler will become short. If damaged, the M503-05-040 rubber crawler must be repaired. Contact your nearest Hitachi dealer. 5-20...

  • Page 92: Hydraulic Breaker (Optional)

    Consult your nearest Hitachi dealer for selection of the hydraulic breaker model to be installed. Refer to the Breaker Operation Manual for operation of the hydraulic breaker.
  • Page 93 OPERATION 3. Do not operate the breaker with the hydraulic WRONG cylinders fully extended or retracted. When operating the breaker, position each hydraulic cylinder so that the allowance more than 50 mm from the stroke end can be given before the cylinder piston comes in contact with the cylinder head or bottom.
  • Page 94 OPERATION 7. Do not allow the breaker chisel to come in contact with the boom when rolling in the arm and the breaker. 8. Change hydraulic oil and replace the full flow filter element at the regular intervals. Hydraulic breaker operation subjects hydraulic oil to become contaminated and/or deteriorated more quickly than bucket operation.

  • Page 95: Crusher Operation (Optional)

    Consult your nearest Hitachi dealer for selection of the hydraulic crusher model to be installed. Refer to the Crusher Operation Manual for operation of the hydraulic crusher.

  • Page 96: Precautions For After Operating The Machine

    OPERATION • When crushing objects in high positions such as a ceiling, carefully operate the machine so that falling WRONG objects do not come in contact with the machine. • Before operating the machine on a floor of structures, check that the strength of the floor is enough to support the machine weight.
  • Page 97 OPERATION MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................5-26...

  • Page 98: Transporting

    TRANSPORTING TRANSPORTING BY ROAD When transporting the machine on public roads, be sure to first be aware of and then, follow all local regulations. 1. Before transporting the machine on a trailer, check the width, height, length, and weight of the trailer with the machine loaded.

  • Page 99: Loading

    TRANSPORTING LOADING WARNING: • Always travel the machine slowly. • Steering on a ramp may create a danger of tipping over. Never attempt to change travel direction on a ramp, possibly causing the machine to become unstable. If steering is unavoidable, first move back to the ground, modify traveling direction, and begin to drive again.

  • Page 100: Securing The Machine To The Trailer For Transportation

    TRANSPORTING SECURING THE MACHINE TO THE TRAILER FOR TRANSPORTATION WARNING: Securely tighten the machine to the flatbed with wire ropes. During transportation, the machine will be moved back and forth or laterally. 1. Wedge the front and rear of the crawlers to secure the machine in position.

  • Page 101: Unloading

    TRANSPORTING UNLOADING WARNING: • Always travel the machine slowly. • Steering on a ramp may create a danger of tipping over. Never attempt to change travel direction on a ramp, possibly causing the machine to become unstable. • The top end of the ramp where it meets the flatbed is a sudden bump.

  • Page 102: Lifting Machine With Crane

    TRANSPORTING LIFTING MACHINE WITH CRANE WARNING: • Do not lift the machine with anyone riding on the machine. • Use wire ropes and shackles strong enough to support the weight of the machine. • Be sure to set the blade position with the engine running.
  • Page 103 TRANSPORTING MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 104: Maintenance

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

  • Page 105: Prepare Machine For Inspection/Maintenance

    MAINTENANCE PREPARE MACHINE FOR INSPECTION/MAINTENANCE Before performing inspection/maintenance of the machine, park the machine as described below unless otherwise specified. 1. Park the machine on a solid level surface. 2. Lower the working tools such as the bucket and/or blade to the ground. 3.

  • Page 106: Opening/Closing Engine Access Covers

    MAINTENANCE OPENING/CLOSING ENGINE ACCESS COVERS WARNING: • Do not keep the engine access covers open when the machine is parked on a slope, or while the wind is blowing hard. The engine ac- cess covers may close accidentally, possibly resulting in personal injury. •...

  • Page 107: Opening/Closing Right Side Covers

    MAINTENANCE OPENING/CLOSING RIGHT SIDE COVERS WARNING: • Do not keep the right side cover (5) open when the machine is parked on a slope, or while the wind is blowing hard. The right side cover may close accidentally, possibly resulting in per- sonal injury.

  • Page 108: Daily Inspection

    MAINTENANCE DAILY INSPECTION Canopy Hydraulic Oil Tank Control Lever Boom Fuel Tank Arm Cylinder Boom Swing Cylinder Tooth Oil Cooler Radiator Engine Water Separator Bucket Cylinder Fuel Filter Side Cutter Link A Bucket Battery Link B Solenoid Valve Engine Oil Filter Blade Counterweight Swing Device...

  • Page 109: Periodic Replacement Of Parts

    If any of these parts are found to be defective by inspection, immediately replace it regard- less of the recommended intervals. Consult your nearest Hitachi dealer for correct replace- ment. Periodic Replacement Parts Replacement Interval...

  • Page 110: Maintenance Guide

    MAINTENANCE MAINTENANCE GUIDE A. GREASING (See Page 7-11) Interval (hours) Parts Quantity 500 1000 2000 1. Front Joint Pins (Incl. around the swing post) 2. Bucket and Link Pins 3. Swing Bearing 4. Swing Internal Gear 5. Control Lever Universal Joint NOTE: Grease all submerged pins after operating in water.
  • Page 111 Shorten maintenance interval in dusty work site. For the first time only. NOTE: When genuine Hitachi long life coolant (LLC) is used, replace it every two years(in autumn) or after 2000 operating hours, whichever comes first. IMPORTANT: Use fresh water or tap water for the coolant. Avoid using strong acid or alkaline water. Be...
  • Page 112 14. Check Tightening Torque of Bolts and Nuts – ♦ NOTE: Consult your nearest Hitachi dealer for inspection/maintenance of items with mark . The recom- mended oil chart is affixed on the tank access cover. For the first time only.

  • Page 113: The Brand Names Of Recommended Oils And Lubricants

    –20 to 0°C –10 to 40°C (–6 to 32°F) (14 to 95°F) (–6 to 32°F) (14 to 95°F) Manufacturer Hitachi * Super EX 46 HN Malti M TOTAL Equivis ZS 46 Use high quality Die- Idemitsu Kosan Dephne Superhydro LW46H sel Fuel only.

  • Page 114: Greasing

    MAINTENANCE A. GREASING : Greasing Point Front Joint Pins (Incl. Swing Post Joint Pins) --- every 500 hours or every year (every 100 hours up to 500 hours of operation) 1. Position machine with the arm cylinder fully retracted and the bucket cylinder fully extended. Lower bucket to the ground (the front attachment inspection posi- tion).
  • Page 115 MAINTENANCE (3) Boom foot M1MS-07-007 (4) Arm cylinder rod end and bucket cylinder bottom M571-07-006 (5) Boom and arm joint pin, and arm cylinder bottom M585-07-046 (6) Swing cylinder M1M7-07-023 7-12...
  • Page 116 MAINTENANCE (7) Swing post M1MS-07-008 7-13...

  • Page 117: Front Joint Pins

    MAINTENANCE Bucket and Link Pins --- every 100 hours Grease all submerged pins after operating in water. M503-07-092 Precautions for Front Attachment and Blade Re- moval 1. When pins are removed to replace the front attach- ment or blade, do not attempt to clean the bore in- sides of the bushings.

  • Page 118: Swing Bearing

    MAINTENANCE Swing Bearing --- every 250 hours WARNING: Before lubricating the swing bearing, lower the bucket and the blade to the ground, stop the engine, and place the pilot control shut-off lever to the LOCK position. Lubrication and rotation of the upperstructure must be done by one person only.

  • Page 119: Swing Internal Gear

    MAINTENANCE Swing Internal Gear --- every 500 hours WARNING: Before lubricating the swing bearing, lower the bucket and the blade to the ground, stop the engine, and place the pilot control shut-off lever to the LOCK position. Lubrication and rotation of the upperstructure must be done by one person only.

  • Page 120: Engine

    MAINTENANCE B. ENGINE Engine Oil --- Level check daily (Check before starting the engine.) Check the oil level every day before starting the machine. Oil level must be between the marks on oil level gauge (1). If necessary, add the specified en- gine oil via oil filler (2).
  • Page 121 MAINTENANCE 5. Remove oil filter (5) from the engine by turning it counterclockwise using a filter wrench. Coat the gasket of new filter (5) with engine oil. Turn the filter clockwise by hand until the gasket touches the sealing surface. Tighten oil filter (5) 3/4 turns more using the filter wrench.

  • Page 122: Transmission

    MAINTENANCE C. TRANSMISSION Travel Reduction Gear WARNING: • Each component of the travel reduction gear may be hot immediately after operation. Allow components to cool before starting to work on them. • The travel reduction gear may be pressurized. Be sure to release the internal pressure by slowly loosen the air bleed plug two to three turns before removing the plug.
  • Page 123 MAINTENANCE Change Gear Oil --- every 1000 hours 1. Park the machine on a level surface. 2. Rotate the travel motor until plugs are positioned as illustrated on the right. Stop the engine. 3. Remove drain plug (2) and plug (1) to drain oil. 4.

  • Page 124: Hydraulic System

    MAINTENANCE D. HYDRAULIC SYSTEM Inspection and Maintenance of Hydraulic Equipment WARNING: When inspecting and/or maintaining hydraulic equipment, pay special attention to the following points. 1. Be sure to park the machine on a level, solid surface. 2. Lower the bucket and blade to the ground and stop the engine.

  • Page 125: Check Hydraulic Oil Level

    MAINTENANCE Check Hydraulic Oil Level --- daily 1. Park the machine on a solid level surface. Position the machine with the arm cylinder fully retracted and the bucket cylinder fully extended. Lower the bucket and blade to the ground. Stop the engine. 2.

  • Page 126: Drain Hydraulic Oil Tank Sump

    MAINTENANCE Drain Hydraulic Oil Tank Sump --- every 250 hours WARNING: Be sure to work only after oil tem- perature is low or before operation. Failure to do so may allow high temperature oil to spray, pos- sibly causing severe burns. 1.

  • Page 127: Change Hydraulic Oil

    MAINTENANCE Change Hydraulic Oil --- every 1000 hours or 2000 hours WARNING: Be sure to work only after oil tem- perature is low or before operation. Failure to do so may allow high temperature oil to spray, pos- sibly causing severe burns. IMPORTANT: When changing hydraulic oil, take care not to allow foreign matter such as dirt, water or soil to enter the hydraulic sys-...
  • Page 128 MAINTENANCE Bleed Air from Hydraulic System After changing hydraulic oil, bleed air from the hydraulic system by following the procedure described below. Bleed Air from Pump IMPORTANT: If the engine is started when the pump is not filled with hydraulic oil, damage to the pump may result.

  • Page 129: Clean Suction Filter

    MAINTENANCE Clean Suction Filter--- when changing hydraulic The suction filter (2) is located on the bottom side in the hydraulic oil tank. Clean the suction filter (2) when changing hydraulic oil. 1. After draining hydraulic oil, remove suction filter (2) together with cover (1).

  • Page 130: Replace Full-Flow Filter

    MAINTENANCE Replace Full Flow Filter --- every 500 hours (first time after 250 hours) WARNING: Be sure to work only after oil tem- perature is low or before operation. Failure to do so may allow high temperature oil to spray, pos- sibly causing severe burns.

  • Page 131: Replace Pilot Filter

    MAINTENANCE Replace Pilot Filter --- every 1000 hours WARNING: Be sure to work only after oil tem- perature is low or before operation. Failure to do so may allow high temperature oil to spray, pos- sibly causing severe burns. 1. Park the machine on a solid level surface. Position the machine with the arm cylinder fully retracted and the bucket cylinder fully extended.
  • Page 132 MAINTENANCE 4. Rotate the hexagon section on the bottom of filter case (6) counterclockwise using a tool such as a wrench to remove filter case (6) from head cover (5). 5. While rotating filter element (7), pull to remove filter element (7) downward.

  • Page 133: Check Hoses And Lines

    MAINTENANCE Check Hoses and Lines --- daily --- every 250 hours WARNING: Escaping flammable fluid may cause fire. Check for missing or loose clamps, kinked hoses, lines or hoses that rub against each other and/or come in contact with other components, and any oil leaks.
  • Page 134 MAINTENANCE Hoses Interval Check Point Abnormality Remedy (Hours) Daily Hose surface Oil leak (1) Replace Hose end Oil leak (2) Replace Hose connection Oil leak (3) Retighten or replace hose or O-ring Every Hose surface Oil leak (4) Replace Hose end Oil leak (5) Replace hours...
  • Page 135 MAINTENANCE Lines Interval Check Point Abnormality Remedy (Hours) Daily Flange type fitting Oil leak (11) Replace mating face and connection bolt Looseness or oil leak (11) Replace O-ring and/or retighten bolt M137-07-001 Weld joint surface Oil leak (12) Replace on flange type fitting Every Flange type fitting Crack (13)
  • Page 136 MAINTENANCE Hose Fitting • Metal Face Seal Fittings (Width Across Flats of Union Nut: 17, 19, 22, and 27 Fittings are used on smaller size hoses. Metal flare seat (4) on adapter (1) and metal flare (5) on hose (2) ends seal pressure oil.

  • Page 137: Fuel System

    MAINTENANCE E. FUEL SYSTEM WARNING: Fuel is highly flammable. Handle fuel with care. Keep open flame or sparks away from fuel. Refueling After parking the machine on a level surface, check the fuel level with fuel gauge (1) and level gauge (2). When necessary to add fuel, remove fuel tank cap (3) and refill fuel.

  • Page 138: Check Water Separator

    MAINTENANCE Check Water Separator --- daily When water is accumulated in water separator (2), loosen transparent filter case to drain water and sediment. M1MS-07-017 Drain Fuel Tank Sump --- as required Park the machine on a solid level surface. Loosen bolts (5) to remove drain valve cover (6) from right-front under cover (7).

  • Page 139: Replace Fuel Filter

    MAINTENANCE Replace Fuel Filter --- every 500 hours 1. Close fuel cock (6).. 2. Loosen ring nut (3) of fuel filter (1) and remove filter cap (4). 3. Clean filter cap (4). 4. Install new filter element (2), filter cap (4) and retighten ring nut (3) securely.

  • Page 140: Check Fuel Hoses

    MAINTENANCE Check Fuel Hoses --- daily --- every 250 hours WARNING: • Escaping fuel may cause fire. Check for kinked hoses, or hoses that rub against each other and/or come in contact with other components, and any oil leaks. • Repair or replace any loose or damaged hoses.

  • Page 141: Air Cleaner

    MAINTENANCE F. AIR CLEANER Clean the Air Cleaner Element --- every 250 hours or when the air cleaner indicator comes ON. Replace the Air Cleaner Element --- every 500 hours Clean and replace air cleaner element. 1. Before servicing element (1), be sure to stop the engine.

  • Page 142: Cooling System

    Coolant: Use fresh water which includes fewer impurities or normal tap water for the coolant. Avoid using strong acid or alkaline water. Be sure to use genuine Hitachi long life coolant (LLC Long Life Coolant (LLC) LLC has two functions, antifreeze and anti-rust agent. As a general rule, the ratio of antifreeze should range between 30% and 60%.

  • Page 143: Check Coolant Level

    MAINTENANCE Check Coolant Level --- daily Check that the coolant level is between the FULL and LOW marks on coolant reservoir (2). If the coolant level is below the low mark, remove the reservoir cap (1) and add coolant to coolant reservoir (2). WARNING: Do not loosen radiator filler cap (1) unless the system is cool.
  • Page 144 MAINTENANCE Adjustment of Fan Belt Tension 1. Remove the floor plate (3). Move the seat (4) ahead most by using seat backward and forward adjusting lever and incline the backrest to the forward position. 2. Remove the two installed bolts (9) under the seat base, and lift the seat base until the end of lock (7) inserts into locking position (8).

  • Page 145: Change Coolant

    MAINTENANCE Change Coolant --- every two years or 2000 hours NOTE: In case genuine Hitachi Long-Life Coolant is used, change the coolant every two years (in autumn every other year), or every 2000 hours, whichever comes first. WARNING: Do not loosen the radiator cap unless the system is cool.

  • Page 146: Clean Radiator

    MAINTENANCE Clean Radiator --- every 500 hours WARNING: Always wear safety glasses or goggles when using compressed air [less than 0.2 MPa (2 kgf/cm , 29 psi)] to clean radiator core. IMPORTANT: • Cover air cleaner inlet opening to prevent entry of dust and water while cleaning the radiator.

  • Page 147: Electrical System

    Also, improper installation of electrical equipment’s may cause machine failure and/or a fire on the machine. Be sure to consult your nearest Hitachi dealer when installing s radio communication equipment or additional electrical parts, or when replacing electrical parts.
  • Page 148 MAINTENANCE Electrolyte Level Check 1. Check the electrolyte level at least once a month. 2. Park the machine on level ground and stop the engine. 3. Check the electrolyte level. 3.1 When checking the level from the battery side: Clean around level check lines with a wet towel. Don’t use a dry towel.

  • Page 149: Batteries

    MAINTENANCE Check Electrolyte Specific Gravity The specific gravity for electrolyte varies depending on electrolyte temperature. The specific gravity should be kept within the range shown below. Charge the battery if the specific gravity is below the limit. Working Range of Electrolyte Specific Gravity 40℃...
  • Page 150 MAINTENANCE Replacing Fuses 1. If any electrical equipment fails to operate, first check the fuses in the fuse box. 2. One each capacity of spare fuses are provided in the fuse box. Fuse M1MS-01-003 M1MS-07-035 7-47...

  • Page 151: Miscellaneous

    MAINTENANCE I. MISCELLANEOUS Check Bucket Teeth for Looseness and/or Wear --- daily Check the bucket teeth for wear and looseness Replace teeth (1) if tooth wear exceeds the service limit shown below. Dimension A in mm (in.) M104-07-056 Limit of Use 128 (5.0″) 65 (2.6″) WARNING: Guard against injury from flying...
  • Page 152 MAINTENANCE 3. Clean shank (6) surface. 4. Install rubber pin lock (4) into shank (6) hole as shown. RIGHT WRONG WRONG M104-07-060 5. Position new tooth (1) over shank (6). RIGHT WRONG WRONG M104-07-061 6. Drive locking pin (5) fully into the hole as shown. WRONG RIGHT M104-07-062...

  • Page 153: Replace Bucket

    MAINTENANCE Replace Bucket WARNING: When driving the connecting pins in or out, guard against injury from flying pieces of metal or debris; wear a hard hat, goggles or safety glasses, heavy gloves and safety equipment appropriate for the job. Select a spacious job site with good footing. Start working only after ensuring the safety of other personnel around the machine.

  • Page 154: Adjust Track Sag (Rubber Crawler) And Check For Damage

    4. After doing so, check track sag again. If track sag is not within specifications, repeat adjustment until the correct sag is obtained. Check Rubber Track for Damage Check the rubber track for damage. If any, consult your nearest Hitachi dealer for repair. Track Sag (rubber crawler) M503-05-050 Side a 7-51...
  • Page 155 Incorrect adjustment or disassembly may result in personal injury and/or death. Immediately consult your nearest Hitachi dealer for repair. To tighten track, connect a grease gun to cylinder grease fitting (2) located inside the side frame and add grease Grease Outlet until the sag is within specifications.

  • Page 156: Replace Rubber Track

    MAINTENANCE Replace Rubber Track WARNING: • Do not loosen valve (1) too quickly or 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). •...
  • Page 157 MAINTENANCE Installing Rubber Track 1. Lower the bucket and blade to raise both tracks off Grease Outlet ground. Place blocks under machine frame to support the machine. 2. Slowly turn valve (1) counterclockwise to allow grease to escape from the grease outlet. 3.

  • Page 158: Check Track Sag (Steel Crawler)

    MAINTENANCE Check Track Sag (steel crawler) --- every 50 working hours Proper adjustment of track sag is vital to extending the service life of the track and travel device. Check Track Sag As illustrated to the right, raise the one side track, which 90 to 110 °...
  • Page 159 Incorrect adjustment or disassembly may result in personal injury and/or death. Immediately consult your nearest Hitachi dealer for repair. To tighten track, connect a grease gun to cylinder Grease Outlet grease fitting (2) located inside the side frame and add grease until the sag is within specifications.
  • Page 160 MAINTENANCE Converting the Track WARNING: • Consult your nearest authorized dealer for converting the track. Extremely strong force is being applied. Do no allow anyone to stand in front of the front idler. • After the rubber track is removed, the front idle will become free to remove.

  • Page 161: Check And Replace Seat Belt

    MAINTENANCE Check and Replace Seat Belt Check --- daily Replace --- every 3 years Prior to operating the machine, thoroughly examine belt (1), buckle (2) and attaching hardware (3). If any item is damaged or materially worn, replace the damaged or worn item(s) before operating the machine.

  • Page 162: Check Injection Nozzle

    MAINTENANCE Check Injection Nozzle Cleaning-----every 1500 hours Adjusting--- every 1500 hours Consult your authorized dealer for inspection and repair Adjust Valve Clearance--- every 1000 hours Consult your authorized dealer for inspection and repair Check and Clean Injection Device --- every 1500 hours Consult your authorized dealer for inspection and repair.

  • Page 163: Check Tightening Torque Of Bolts And Nuts

    Tighten bolts and nuts to the specifications. If tightened with excessively high or inadequate torque, missing or breakage of bolts and/or nut may result. • In case the counterweight mounting bolts became loose, consult your nearest Hitachi dealer for retightening. 7-60...
  • Page 164 MAINTENANCE Tightening Torque Chart Hexagon Head Bolt Socket Bolt Wrench Wrench Socket Bolt Size Size M552-07-091 M552-07-090 M552-07-092 N⋅m (kgf⋅m) N⋅m (kgf⋅m) N⋅m (Kgf⋅m) N⋅m (kgf⋅m) 3,3 to 4.2 (0.3 to 0.4) 29.5 (3.0) 19.5 (2.0) 19.5 (2.0) (6.5) 19.5 (11) (3.5) (18)
  • Page 165 MAINTENANCE MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................7-62...
  • Page 166 CONSUMABLE PARTS LIST CONSUMABLE PARTS LIST Filter Element Parts No Full Flow Filter 4454705 Hydraulic Oil Suction Filter 4479355 Pilot Filter 4294130 Engine Oil Filter 4661289 Fuel Filter 4667073 Water Separator 4667074 Air Cleaner Element 4383875 Bucket Parts Part No. Quantity Tooth Tooth...

  • Page 167: Consumable Parts List

    CONSUMABLE PARTS LIST MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 168 ※ When the machine is operated at the altitudes of 2000 m (6600 ft) or 1500 m (4900 ft)) higher, the ignition of the engine may be deteriorate, possibly resulting in significant reduction in durability or function. In case the machine is unavoidably operated under these conditions, consult your nearest Hitachi dealer in advance.

  • Page 169: Maintenance Under Special Environmental Conditions

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

  • Page 170: Storing The Machine

    STORAGE STORING THE MACHINE 1. Thoroughly wash the machine to remove dirt, soil and debris from the machine. 2. Inspect the machine. Repair worn or damaged parts. Install new parts if necessary. 3. Clean the primary air cleaner element. 4. Lubricate all grease points. 5.

  • Page 171: Removing The Machine From Storage

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

  • Page 172: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING If any problem is found, troubleshoot to pinpoint the cause WARNING: Never attempt to adjust, disas- and take appropriate action to prevent the problem from semble, or repair hydraulic or electrical occurring again. If the cause cannot be pinpointed, contact components by yourself.

  • Page 173: Hydraulic System

    TROUBLESHOOTING 3. Hydraulic System Trouble Cause Solution • Insufficient engine power • Inspect and repair. Insufficient power: all actuators • Excessively worn hydraulic pump • Replace. • Main relief valve failure • Re-adjust pressure setting, or re- place. • Hydraulic oil is low. •...

  • Page 174: Specifications

    SPECIFICATIONS SPECIFICATIONS M1MS-12-001 ZAXIS17U Type ROPS Canopy Type of Front-End Attachment Boom Swing Type Bucket Capacity (Heaped) 0.044 (0.058) Operating Weight kg (lb) 1770 (3900) Basic Machine Weight kg (lb) 1420 (3130) Yanmar 3TNV70 Engine kW/min 11.0/2400 (PS/rpm) (15.0/2400) A: Overall Width mm (ft⋅in) 980 (3′3″) B: Overall Height...

  • Page 175: Working Ranges

    SPECIFICATIONS WORKING RANGES M1MS-12-002 ZAXIS17U Canopy ROPS Canopy A: Maximum Digging Reach mm (ft⋅in) 3900 (12′10″) [4080 (13′5″)] B: Maximum Digging Depth mm (ft⋅in) 2170 (7′1″) [2370 (7′9″)] C: Maximum Cutting Height mm (ft⋅in) 3560 (11′8″) [3660 (12′0″)] D: Maximum Dumping Height mm (ft⋅in) 2530 (8′4″) [2630 (8′8″)] E: Transport Height...

  • Page 176: Shoe Types And Applications

    SPECIFICATIONS SHOE TYPES AND APPLICATIONS ROPS Canopy 230 mm (1′0″) 230 mm (1′0″) Shoe Width Rubber Shoe Grouser Shoe For Paved Road For Ordinary Ground Application (Standard) (Optional) Operating Weight kg (lb) 1770 (3900) 1820 (4010) Minimum Ground 165 (6″) 160 (6″) Clearance mm (ft⋅in)

  • Page 177: Bucket Types And Applications

    SPECIFICATIONS BUCKET TYPES AND APPLICATIONS Bucket Width mm Front-End Attachment Bucket Capacity 0.93 m 1.13 m Bucket (With side cutter) (Without side cutter) (3′10″) (5′0″) ISO (Heaped) mm (in) mm (in) Hoe Bucket 0.02 (0.065) 300 (12″) 250 (10″) 0.035(0.078) 350 (14″) 300 (12″) 0.04 (0.092)

  • Page 178: Reference

    REFERENCE ADDITIONAL COUNTERWEIGHT The mass values of the additional counterweights are shown in the table below. Overhang from the end of Model Mass the base machine 80 kg 80 mm ZAXIS17U (176lb) (3.2 in) Removal Remove the additional counterweights by following the procedure below.
  • Page 179 REFERENCE MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................13-2...
  • Page 180 (2 Way Multi Valve) ........5-3 and/or Boom Swing Power ......5-15 Control Lever Avoid Heating Near Pressurized Fluid Lines..S-27 (H-Pattern: Hitachi Excavator Pattern) ..5-2 Avoid High-Pressure Fluids ......S-23 Control Lever (ISO Excavator Pattern) ....5-1 Avoid Hitting Blade With Bucket ......5-18 Control Lever Universal Joint ......

  • Page 181: Index

    INDEX Precautions for After Operating the Machine ..5-25 Handle Chemical Products Safely ....S-29 Precautions for Blade Operation ......5-7 Handle Fluids Safely --- Avoid Fires....S-17 Precautions for Operations........ 5-12 Hour Meter ............1-5 Precautions for Traveling ........4-4 Hydraulic Breaker (Optional)......5-21 Precautions for Traveling On Slopes....
  • Page 182 INDEX The Brand Names of Recommended Oils and Lubricants ..........7-10 Tidy Up Inside Cab..........S-4 Tool and Operator’s Manual Boxes .....1-6 Towing Machine...........4-6 Trailer Loading/Unloading........6-1 Transmission ............7-19 Transporting by Road ..........6-1 Travel Alarm............4-3 Travel Levers ............4-1 Travel Mode Pedal..........4-3 Travel Reduction Gear........7-19 Traveling On Soft Ground ........4-5 Understand Signal Words........
  • Page 183 INDEX MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................14-4...

Table of Contents