Yuchai YC135 Operation And Maintenance Manual
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Yuchai YC135 Operation And Maintenance Manual

Hydraulic excavator
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  • Page 3 Is absolutely forbidden use the machine inside tunnels, mines and fields with slope that exceed 30 °. Duplication, total or partial, with any device of this manual is forbidden because it is exclusive property of the Yuchai Engineering Machinery Co. Ltd.

  • Page 5: Table Of Contents

    INDEX INTRODUCTION AND GENERAL INFORMATION ....... 9 Machine serial number ..................12 Yuchai engineering machinery co. ltd. data ............13 GENERAL PRECAUTION AND SAFETY MEASURES....... 15 PRECAUTION AND SAFETY MEASURES DURING WORK....23 Precautions before engine start .................23 Precaution when the machine is working............26 Transport precaution...................37...
  • Page 6 7.1.5. Check hydraulic oil and refill .................73 7.1.6. Check air filter ....................74 7.1.7. Check electrical circuit ..................75 Starting .........................76 7.2.1. Precaution.....................76 7.2.2. Engine starting ....................76 7.2.3. Start engine in cold weather................77 Operations and controls after starting...............77 7.3.1. Engine heating ....................77 7.3.2.
  • Page 7 13. MACHINE TOWING................109 14. LONG TERM STORAGE ..............111 14.1 Before storage....................111 14.2 During storage ....................112 14.3 After storage.......................112 15. STARTING MACHINE WITH JUMP-START CABLES (BATTERY DISCHARGED!) ..................113 15.1 Precaution for jump-start cable connection and staring........116 15.2 Precaution for jump-start cables disconnecting..........117 15.3 Precaution for battery charging while it is onboard ........117 16.
  • Page 8 19.3.1. Cleaning fuel filter and water separator ............151 19.3.2. Fan belt adjusting..................152 19.4 Maintenance every 200 hours ................153 19.4.1. Replacing oil engine and oil filter cartridge ..........153 19.4.2. Check and refill oil in the sprocket ..............155 19.4.3. Oil level in swing gear .................156 19.4.4.

  • Page 9: Introduction And General Information

    Keep the manual easy to read to allow all operators to read it periodically. If the manual will miss or become unreadable, please ask for a copy to YUCHAI ENGINEERING MACHINERY CO. LTD. If you sell the machine, deliver the manual to new owner.
  • Page 10 Most of the accident and injuries that happens in the factories, agricultural firms, homes or on the roads are due to the lack of attention to any simple but basic rule of caution and safety. For this reason, most of them could be avoided: just forecast all predictable cause and act with the necessary caution.
  • Page 11 MACHINE RUNNING IN PERIOD: Your machine has been regulated and checked by YUCHAI ENGINEERING MACHINERY CO. LTD. Anyway, start with hard jobs and critical condition may have a negative influence on the machine’s performance and reduce the lifetime.

  • Page 12: Machine Serial Number

    1.1 MACHINE SERIAL NUMBER Fill the serial number of your machine into the followed form. If you need assistance please contact the YUCHAI ENGINEERING MACHINERY CO. LTD. service, then specify model kind and serial number of you machine. MACHINE KIND AND REGISTRATION NUMBER KIND/MODEL: REGISTRATION No.:...

  • Page 13: Yuchai Engineering Machinery Co. Ltd. Data

    1.2 YUCHAI ENGINEERING MACHINERY CO. LTD. DATA YUCHAI ENGINEERING MACHINERY CO. L Manufacturing Base: 168 Tianqiao Road, Yulin, Guangxi, 537005 P.R. China Export Department Office: 36 Cuizhu Road, Guilin, Guangxi, 541002 P.R. China Tel: 0086-773-5588521 5588522 5588523 Fax: 0086-773-5588530 E-mail: export@yuchai-excavator.com...

  • Page 15: General Precaution And Safety Measures

    • Unexpected use of the safety system and/or devices may cause serious injuries or death. NON ALLOWED MODIFICATION • Each modify made without YUCHAI ENGINEERING MACHINERY CO. LTD. authorization may cause risk. • YUCHAI ENGINEERING MACHINERY CO. LTD. deny liability for possible injures or damage to people or objects due to non allowed modification.
  • Page 16 CLOTHES AND INDIVIDUAL PROTECTION DEVICES • Avoid swirling clothes, jewels and streaming hair. They could trap themselves on the lever or floating part and cause serious injures. Also do not wear oiled clothes because they are flammable. When drive or make service on the machine, wear a tight cap, protective eyeglass, safety shoes, filter mask, and heavy gloves.
  • Page 17 (IPD) NDIVIDUAL PROTECTION DEVICES If you do not follow these safety precautions it may cause severe accident. SET THE SAFETY LOCK LEVER BEFORE LEAVING THE SEAT • When you are leaving the operator’s seat, set the safety lock lever securely to the lock position. If any controls should be touched accidentally when the safety lock lever has not be locked, the machine will move suddenly and cause severe injury or death.
  • Page 18 MOUNTING AND DISMOUNTING FROM THE MACHINE • NEVER jump on or off the machine. • NEVER attempt to mount or dismount from a moving machine. • When mounting or dismounting the cab, always face the access system and maintain the contact with hand holds and steps while getting on or off the machine.
  • Page 19 OIL AND FUEL FIRE PREVENTION • Fuel, oil and antifreeze liquid may burst into flames if become in touch with a flame. Specially, the fuel can be very DANGEROUS because it is highly FLAMMABLE. • Keep the flammable liquids off from the free flames. •...
  • Page 20 PRECAUTION WITH HIGH TEMPERATURE WORK • The engine, muffler, radiator, hydraulic lines, sliding parts and many other parts of the machine are hot and under pressure directly after the engine is stopped. Touching these parts will cause burns so wait for the temperature drop before oil, fuel and water screw cap opening.
  • Page 21 PREVENT CUTTING AND/OR CRUSHING • do not put you hands, arms or other body parts between moving parts. I.e. between work equipment and machine body or between cylinder and moving parts or between upper structure and undercarriage or tracks. If the work equipment is moving, the free space around it is changeable it may cause severe injure or death.
  • Page 22 • NEVER use accessories listed in this operating manual or do not authorized from YUCHAI ENGINEERING MACHINERY CO. LTD.. The non authorized accessories use may cause safety hazards and may have a negative influence on the machine’s performance and reduce the...

  • Page 23: Precaution And Safety Measures During Work

    3. PRECAUTION AND SAFETY MEASURES DURING WORK 3.1 PRECAUTIONS BEFORE ENGINE START WORKING AREA SAFETY • Before turning on the engine check the working area, evaluate if there are abnormal condition which cause hazardous. • Before turning on the engine check the ground condition in the working area.
  • Page 24 • If you know that water pipe, gas pipe or electrical line were been lay underground you have to contact the owner society to identify correctly the position. Pay attention: do not cut off the pipes. FIRE PREVENTION • Remove wood splinter, leaves, paper and any flammable materials accumulated into the engine compartment.
  • Page 25 CLOSED WORKING ZONE VENTILATION • If it necessary turn on the engine inside a room, provide to adequate ventilation. Exhaust gas can KILL. LIGHT AND WINDOWS PRECAUTION • Clean out the windows and lights. Make sure to see well! • Check if the headlamp are correctly installed for the job to do. Check if they work properly.

  • Page 26: Precaution When The Machine Is Working

    3.2 PRECAUTION WHEN THE MACHINE IS WORKING WHEN TURN OF THE ENGINE • before start work, walk around your machine to verify that no people or object are in the working zone. • NEVER start the machine if any plate is put on the instrument panel. •...
  • Page 27 • Before start work, check the seat belt. If any part is damaged or worn, change the seat belt. • Before start work, sit down on the operator seat and fast the seat belt. • Stand on the seat with the seat belt fastened all the time, during work, to reduce injury if case of accident.
  • Page 28 BEFORE GO TO THE REVERSE MOTION OR SWING, BE SURE THAT NOBODY IS AROUND THE WORKING ZONE • In dangerous zone o where there is incomplete view, put always a signal. • Make sure that nobody is inside the radius swing or rear the machine. •...
  • Page 29 Motion Position WRONG! TRAVELLING ON SLOPES • Motion up and down the hill with severe slope (greater then 30°) IS FORBIDDEN. Great slope may cause machine roll over or slide. • When travelling on slopes or grades, lower the bucket to a height from 20 to 30 cm off the ground.
  • Page 30 FORBIDDEN OPERATION • Never undercut a high bank. Be particularly alert for the possibility of a cave-in. • Do not operate in places where there is a danger of falling rocks. WRONG WRONG FORBIDDEN OPERATION • Do not extend or move back the hydraulic cylinders for all them length, keep a small distance.
  • Page 31 IS FORBIDDEN LIFTING LOADS • Is forbidden to use the excavator lake a load’s lifter. DO NOT PASS WITH THE BUCKET OVER PEOPLE • Do not rise, move or swing the bucket over people or trucks cab. Materials which will drop off may cause severe injure to people or damage to the machine.
  • Page 32 DO NOT APPROACH ELECTRICAL POWER LINE • Touching electrical power line may will cause short circuit, so keep a safe distance between the machine and electrical line power. • The follow rules may safe your life: 1. Wear safety shoes with rubber sole; 2.
  • Page 33 DO NOT HIT THE BOOM OR ARM • When you work under bridge, in tunnels, near power lines or indoor be careful not to hit the boom or arm against overhead objects. ENSURE GOOD VIEW • When you work in dark place install work lamp and headlamp and regulate the working area lighting.
  • Page 34 OPERATE ON SLOPES • When operate on slope surface, there is a risk of machine lose stability and tip over. Always pay attention when operate on slopes. • Avoid swinging the loaded bucket in a downhill direction. This will reduce the machine stability (see follow design).
  • Page 35 MACHINE PARK • If possible, park the machine on firm, level ground, otherwise block the crawler, thrust the bucket in the ground. • When parking on streets, use barriers, caution signs, lights, etc. so that the machine can easily be seen even at night to avoid collision with other vehicles.
  • Page 36 Is forbidden use the machine in zones where is a concrete risk of object falling down. • If is not possible avoid place with falling down object YUCHAI ENGINEERING MACHINERY CO. LTD. will reject any responsibility for operators injure or machine damage.

  • Page 37: Transport Precaution

    3.3 TRANSPORT PRECAUTION LOAD AND UNLOAD • Load and unload the machine into trucks may cause injure. Due to this you ALWAYS MUST PAY ATTENTION. • During load or unload operation, put the engine at low idle then operate slowly with travelling levers. •...

  • Page 38: Precaution When Operate With Battery

    SENDING • When send the machine on a trailer, you must know the Country legislation about the weight, width and length of the load. Obey to road code into force. • When you choose the journey take in mind all machine dimension (weight, width and length).

  • Page 39: Pulling Precaution

    STARTING WITH ASSISTANCE CABLES • When starting the machine with assistance cables wear ALWAYS safety glass. • When use assistance cables connected to another vehicle avoid contact with both machines. • When connect two batteries with assistance cables first connect the positive ones (+).

  • Page 41: Maintenance Precautions

    • Put always the WARNING PLATE on a command lever, inside the cab, to inform other people that you are working on the machine. • These plates are available from YUCHAI ENGINEERING MACHINERY CO. LTD. DO NOT OPERATE...
  • Page 42 SUITABLE TOOLS • Use only tools suitable for the job. To use damage or weakened tools or do not suitable may injure yourself. PERIODICAL SAFETY PART SUBSTITUTION • Replace periodically the follow part, which are related with fire hazard: 1. Fuel pipeline: fuel sleeve (muff), tank cap. 2.
  • Page 43 PRECAUTION WHEN REFILL OIL AND FUEL • Keep clearance from sparks and flames when refuelling or refill oil. • Oil or fuel leakage may slide you, so dry them with a cloth duster. • Make sure to fasten tightly both tank cap and oil tank cap. •...

  • Page 44: Precaution During Maintenance

    DO NOT STAY ON MOTOR COVER • NEVER climb on the motor cover. You may slide or roll off. 4.2 PRECAUTION DURING MAINTENANCE OPERATORS • Only authorized operators can make service on the machine. Particular attention must be used in welding or using a sledgehammer. ACCESSORIES •...
  • Page 45 KEEP THE MACHINE CLEAN • Oil or grease, tools and small parts scattered every where could stumble across them. Keep your machine clean and tidy. • Cover electrical parts when washing the machine, water on electrical parts could cause short circuit or malfunctioning. Do not use water or steam to wash battery, sensors, connectors, or the operator’...
  • Page 46 MUFF UNDER HIGH PRESSURE HANDLING • Do not bend and/or hit, with hard piece, muff under high pressure. • Do not use any pipe, tube or muff bent or damaged. They may explode! • Always replace every fuel or oil muff if it is damage and be sure to fast it tightly: fuel or oil leakage may cause fire.
  • Page 47 PRECAUTION WHEN USE PRESSURIZED GREASE TO SET CRAWLS TENSION • In the pipeline of the crawls tension regulation, grease is pumped at high pressure. If the tension is adjusted without following the correct procedure, the grease discharge valve may fly off, resulting in injury. •...
  • Page 48 FAN AND “V” BELT • Keep clear from moving and rotating parts, pay attention do not trap anything between them. • Hand, arms, skin and clothes may be damaged by blade fan or fan belt so never touch them if they are moving. WASTE MATERIALS •...

  • Page 49: Machine Description

    5. MACHINE DESCRIPTION 5.1 EXCAVATOR MAIN PARTS DESCRIPTION No ITEM No ITEM Bucket Idler Rubber crawler Bucket cylinder 10 Work light Boom 11 Operator seat Arm cylinder 12 Canopy Boom cylinder 13 Engine hood Sprocket...

  • Page 50: Data Sheet

    5.2 DATA SHEET Model YC 135 Machine weight (kg) 13300 Bucket capacity (m 0.52 Maximum digging force (bucket) (kN) 80.4 Maximum digging force (arm) (kN) 69.6 Maximum slewing speed (rpm) Maximum travelling speed (km/h) Maximum pulling force (kN) Grade ability (degree) Pressure on ground (kPa) Pump flow rate (l/min) 2 x 130...

  • Page 51: Transport Blocked

    5.2.1. Transport blocked All dimensions are in mm, they may change without notice.

  • Page 52: Warning Plates

    5.3 WARNING PLATES Hit people danger during slewing Make sure that people standing around working zone, keep enough clearance from the boom range, before starting work. Play the horn when start. Run over people danger during reverse travelling Make sure do not run over people standing in the working zone, during reverse movement.
  • Page 53 Fire extinguisher position Inform you where is positioned the fire extinguisher. ESTINTORE Emergency exit Inform you where you can escape in case of emergency. Usually you have to crash the window to run out. Noise emission plate Inform you about the acoustic power emitted L from your machine during functioning.

  • Page 54: Identification Plate

    5.4 IDENTIFICATION PLATE Yuchai Engineering Machinery Co., Ltd. 168 Tianqiao Road,Yulin,Guangxi,P.R.537005 China MODEL SERIAL No. YEAR WEIGHT (kg) POWER (kW)

  • Page 55: Instrument And Command Description

    6. INSTRUMENT AND COMMAND DESCRIPTION 6.1 OPERATORS SEAT DESCRIPTION No ITEM Throttle lever Starter key Right operating lever Travel speed levers Left operating lever Safety lock lever Door unlock lever Slewing lock lever Accessories pedal...

  • Page 56: Lever And Pedal

    No ITEM Start key Monitor 6.1.1. Lever and pedal (7) SAFETY LOCK LEVER this lever is necessary to prevent unexpected both machine or accessories movement during operators mounting and dismounting. This lever make impossible to use each command. Lock Unlock...
  • Page 57 AFETY LOCK LEVER USE • When park your machine, always lie down the bucket then put the safety lever lock in lock position. • Before dismounting (for breakfast or end shift) turn off the engine, then put the safety lever lock in lock position.
  • Page 58 (4) TRAVELLING LEVERS The travelling levers control the machine translation. Push forward the levers to move the machine in the blade direction, pull them back to move the machine in the sprocket direction. EAD THE PERATING ANUAL Before operate with the travelling levers, read carefully the chapter “MACHINE MOVING RULES”...
  • Page 59 (9) ACCESSORIES PEDAL This pedal is used when an additional accessory is connected to the machine at the power takeoff. If you use an accessory with double action (i.e. a bucket with a joint) you can control both movements pushing the pedal in both directions.

  • Page 60: Instrument Panel And Switches

    6.2 INSTRUMENT PANEL AND SWITCHES 6.2.1. Instrument and Switches...
  • Page 61 No ITEM No ITEM Start key 20 Hydraulic oil filter obstruction warning lamp Coolant temperature warning 21 Battery charge warning lamp gauge Fuel gauge 22 Hour meter Hydraulic oil temperature gauge 23 Rev counter / voltmeter Engine oil pressure gauge 24 Push button indication...
  • Page 62 (14) ENGINE OIL PRESSURE GAUGE This gauge indicates the engine pressure. It works only with the start key in ON position. Under normal condition, when the engine run, le gauge bars must be in green zone. When the gauge bars are in red zone the engine oil has low level, lower then the minimum pressure allowed (0.2 MPa): stop the engine immediately.
  • Page 63 (19) AIR FILTER OBSTRUCTION WARNING LAMP This lamp flash if the air filter is obstructed, so the air flow is too low. As soon as possible clean and/ or replace the air filter. (20) HYDRAULIC OIL FILTER OBSTRUCTION WARNING LAMP I This lamp flash if the air filter is obstructed, so the oil flow to the pump is too low.
  • Page 64 Clock setup Push the (25) button to change from hours to minutes and vice versa. Push the (26) button to increase the value. Push the (27) button to confirm the set up. Failure list To see the failure list, push more times the (24) button until you can see the failure code on the meter.
  • Page 65 (29) WINDOW WIPER SWITCH When the key is in ON position, this switch control the window wiper on the front cabin’s window. (It is not present for canopy setting). NOTICE: Do not turn ON the window wiper when the window is dry, otherwise the rubber will be damaged.

  • Page 66: Heating And Air Conditioning

    BATTERY DISCONNECTING SWITCH To disconnect the battery from the electrical circuit, move this switch in 0 position. Before use the machine be sure that the switch will be in I position. 6.2.2. Heating and air conditioning TEMPERATURE CONTROL Move the selector to regulate the temperature inside the cab: towards blue zone to keep fresh air;...

  • Page 67: Operator Seat

    FUSE CAPABILITY ITEM Capability Starter switch 10 A Electromagnet 20 A Top lamp Main circuit 40 A Starter motor 20 A Horn Lights 10 A Wiper 6.4 OPERATOR SEAT 6.4.1. Operator seat adjusting EAT ADJUSTING Before start job or every time change the operator be sure that the seat is in suitable position for you figure.

  • Page 68: Seat Belt

    6.4.2. Seat belt EAT BELT Use the seat belt when the machine travel. Before start, check belt, buckle and fixing point. Replace then if necessary and do not use the machine without seat belt. Pay attention that the seat belt is not twisted. Pull slowly the belt to be sure that the buckle is well fixed.

  • Page 69: Front Window Opening

    From inside: 1. Pull the inside handle to open the door. 6.5.2. Front window opening 1. Stop the machine on a level round, lower down the bucket, turn off the engine. 2. Put the safety lock lever in lock position. 3.

  • Page 70: Side Window Opening

    To close the from upper window, follow the previous procedure in reverse order. 6.5.3. Side window opening 1. Keep the handle and at same time push the small lever to unlock the window. 2. Slide the side window. To close the side window slide it reverse direction and lock the handle.

  • Page 71: Starting Machine

    7. STARTING MACHINE 7.1 CHECK BEFORE START Daily check all parts below listed before start the machine. 7.1.1. Check coolant, refill it 1. Open the engine hood, unlocking it with the lever inside the cab. A shock absorber keep it open. URNS The radiator top may be hot.

  • Page 72: Check And Replacing Engine Oil

    7.1.2. Check and replacing engine oil 1. Open the engine hood. 2. Remove the dipstick (1) dry it with a clean duster. 3. Insert the dipstick completely in is tube then remove it again. 4. On the dipstick you must check the oil level it have to be in middle between two line.

  • Page 73: Fuel Level And Refuelling

    7.1.4. Fuel level and refuelling EFUELLING When refuelling do not drain it off the tank, it may cause a fire. If some gasoline drain off dry it immediately with a duster. 1. Insert the key in the socket the move it in ON position. 2.

  • Page 74: Check Air Filter

    4. Check the oil level and watch if it visible in the circular indicator in the internal side of the tank. If you can not see the oil you must replace it through the top under the right armrest. Do not replace oil if you can see it in the indicator.

  • Page 75: Check Electrical Circuit

    • Instrument panel with care for fuel gauge and warning lamps (contact insert, water temperature engine oil). • Verify if buzzer works properly. • Verify if all switches work properly and also all light. Contact YUCHAI ENGINEERING MACHINERY CO. LTD. to solve any trouble with instrument panel.

  • Page 76: Engine Starting

    7.2 STARTING 7.2.1. Precaution 1. Verify the safety lock lever is in lock position. 2. Verify that all levers are in neutral position. 3. Check warning lamps in this way: rotate the start key in position, so the buzzer ring, the lamp Contact insert, battery charge and engine oil pressure flashes.

  • Page 77: Start Engine In Cold Weather

    7.2.3. Start engine in cold weather RECAUTION TO WORK IN COLD WEATHER Be sure nobody stand in working zone, then play horn and start engine. When start the machine in cold weather follow these rules: 1. Keep the key in preheating position 2.

  • Page 78: Instrument Panel Check

    NOTICE: working hydraulic oil temperature is 50 ÷ 60 °C. If oil temperature is under 20 °C do not operate with the hydraulic accessories (boom, arm, bucket, etc.) 7.3.2. Instrument panel check 1. The bar gauge must be in centre of the scale. 2.

  • Page 79: Machine Moving Rules

    8. MACHINE MOVING RULES 8.1 FORWARD MOVEMENT RECAUTION BEFORE MACHINE OPERATING • Before operating the travel levers, check to make sure that the dozer blade is to the front of the operator’s seat. BE AWARE that when the dozer blade is to the rear the travel lavers operate in the opposite direction to when the dozer blade in the front.

  • Page 80: Backwards Movement

    • If the dozer blade is in back side of the machine. Pull rearwards slowly the travel levers to move the machine backwards. 8.2 BACKWARDS MOVEMENT RECAUTION BEFORE MACHINE OPERATING • Be careful when travel backwards, there are blind spots to the rear of the machine.

  • Page 81: Changing Direction (Steering)

    4. Act the travel levers (left and right) as written below: • If the dozer blade is in rear side of the machine. Pull backward slowly the travel levers to move the machine forward. • If the dozer blade is in rear side of the machine. Push forward slowly the travel levers to move the machine backward.
  • Page 82 • When the machine still: LEFT TURNING: If the machine is travelling forward and you want turn left push the right travel lever. Vice versa, to turn left when the machine is travelling backwards pull the right travelling lever. RIGHT TURNING: If the machine is travelling forward and you want turn right push the left travel lever.
  • Page 83 • When the machine is travelling (both travelling lever acted at the same time): LEFT TURNING: If the machine is travelling forward release the left travel lever to neutral position. RIGHT TURNING: If the machine is travelling forward release the right travel lever to neutral position. •...

  • Page 84: Machine Stop And Park

    8.4 MACHINE STOP AND PARK ACHINE STOP AND PARK • Avoid abruptly stop. Keep enough space when you want stop the machine. • When park the machine choose a level and heavy ground and avoid dangerous place. If you must park the machine one slope, put some pieces of wood under crawlers, then thrust the bucket under ground.

  • Page 85: Swinging

    6. Rotate the start key in anti clockwise, in 0 position. NOTICE: Model YC 35-6 has got a lever to stop the engine. NGINE STOP Do not stop the engine abruptly before it is cool enough, it may cause fast aging. Only for emergency you can stop it suddenly.

  • Page 86: Forbidden Movement And Forbidden Use

    8.6 FORBIDDEN MOVEMENT AND FORBIDDEN USE RECAUTION IN WORK If you must act the operating accessory while the machine is travelling, you have to stop the machine before act the operating lever. ORBIDDEN OPERATIONS USING SWING FORCE Do not use the swing force to compact soil or break earth mounds or walls.
  • Page 87 RECAUTIONS WHEN OPERATING HYDRAULIC CYLINDERS TO END OF STROKE If the cylinder is operated to the end of its stroke during operations, force will be brought to bear on the stopper inside the cylinder, and this will reduce the life of the machine.
  • Page 88 ORBIDDEN OPERATIONS USING DROPPING FORCE OF MACHINE Do not use the dropping force of the machine for digging. It is better to excavate hard rocky ground after breaking it up by some others means. This will not only reduce damage to the machine but make for better economy.

  • Page 89: Precaution For Operating

    8.7 PRECAUTION FOR OPERATING RAVELLING OVER OBSTACLE When travelling over obstacle such as boulders or tree stumps, the machine (in particular the undercarriage) is subjected to a large shock, so reduce the travel speed and travel over the obstacle at the centre f the tracks. As far as possible, remove such obstacle or avoid travelling over them.
  • Page 90 ERMISSIBLE WATER DEPTH Do not immerse the machine in water by more then the permissible depth (under centre of carrier roller (1)). Also, for parts that have been immersed in water for long time, pump in grease until the old grease comes out from the bearings (around the bucket pins).
  • Page 91 WRONG CORRECT WRONG CORRECT Platform When travelling down steep hills, use the travel lever and fuel control lever to keep the travel speed low. When travelling down slope of more than 15°, set work equipment in the posture shown in the figure on the right, and lower the engine speed.

  • Page 92: Work Possible Using Hydraulic Excavator

    Braking when travelling downhill: to brake the machine during downhill runs, put the travel lever in the neutral position. This will cause the brake to be automatically applied. If shoes slip: when travelling uphill, if the shoes slip or it is impossible to travel uphill using the force of the track only, it is possible to use the pulling force of the arm to help the machine travel uphill.

  • Page 93: Ditching Work

    Moreover you can increase the machine capability, by using different accessories. For this excavator are available some original optional, like: drill, jointed bucket, pickaxe, etc. For more information please contact the assistant service by YUCHAI ENGINEERING MACHINERY CO. LTD.

  • Page 94: How To Escape From Mud

    8.9 HOW TO ESCAPE FROM MUD Always operate carefully to avoid getting stuck in mud. if the machine does get stuck in mud, use the following procedures to get the machine out. When only one side in stuck: Use the bucket to raise the track, then lay boards or logs and drive the machine out.

  • Page 96: Cold Weather Operation

    9. COLD WEATHER OPERATION 9.1 PRECAUTION FOR FUEL, LUBRICANTS AND COOLANT IN LOW TEMPERATURE If the temperature becomes low, it becomes difficult to start the engine, and the coolant may freeze, so do as follows. 9.1.1. Fuel and lubricants Change fuel and oils with low viscosity for all components. Gasoline viscosity: Class (JIS) Viscosity at °C...

  • Page 97: Battery

    9.1.3. Battery RECAUTION WITH BATTERY • Never approach the battery with flames and sparks. • Acid inside the battery is dangerous. If it drops is your eyes or skin wash with large quantity of water and call medical emergency suddenly. When the ambient temperature drops, the capacity of battery will also drop.

  • Page 98: Cabin Heater

    • If electrolyte level is low add distillate water only next morning. Never add water in the evening at the end of the work. 9.4 CABIN HEATER When ambient temperature drops use the cabin heater to warm it up. To start the cabin heater: 1.

  • Page 99: Check After Completion Of Work

    1. Walk around the machine and check all parts: bucket, arm, boom, tracks, frame, etc. Also check if there are any oil or water leakage. If you find out any problem call the assistant service by YUCHAI ENGINEERING MACHINERY CO. LTD.

  • Page 101: Using Rubber Shoes (Only For Machine With Rubber Shoes)

    11. USING RUBBER SHOES (ONLY FOR MACHINE WITH RUBBER SHOES) Rubber shoes have excellent properties that are not found in metal shoes. However do not use rubber shoes like metal ones, this use cannot be made of their advantage. Rubber shoes vs. Metal shoes: Rubber shoes Metal shoes Small vibration...

  • Page 102: Precautions When Using Rubber Shoes

    11.2 PRECAUTIONS WHEN USING RUBBER SHOES ORBIDDEN WORK AND USE WITH RUBBER SHOES • Carrying out operations and steering on crushed rock, extremely rough hard rock, steel beams, scrap iron or near the edges of steel plates will cause damage to the rubber shoes.
  • Page 103 • Rubber shoes slip extremely easily on snow or frozen roads. Be careful not to sleep when travelling or working on slopes. • The properties of rubber shoes change when working in extremely cold place, and this will reduce the life of the rubber shoes. •...
  • Page 104 • If the rubber track is loose, avoid turning as is showed in side figure, when travel on obstacles. WRONG • When travelling over an obstacle, a gap is WRONG Rubber shoe formed between the track roller and the rubber shoe. In this condition, the rubber Track roller shoe may come off.

  • Page 105: Transportation

    12. TRANSPORTATION 12.1 LOADING UNLOADING WORK ACHINE LOAD UNLOAD Load and unload the machine is a dangerous operation so be particularly careful. ACHINE LOAD UNLOAD • Make sure the ramp has sufficient width, length and thickness to enable the machine to be safely loaded and unloaded.
  • Page 106 To load or unload the machine, use always ramps or a platform and follows these rules: CORRECT Ramp Blocks Max 15° Block Distance between ramps 1. Properly apply the brakes on the trailer and insert blocks beneath the tires to ensure that it does not move. 2.

  • Page 107: Load Precaution

    12.2 LOAD PRECAUTION After machine load, on a truck, keep it still as written below: 1. Lover down the blade. 2. Extend the bucket and arm cylinders completely, then lower down the arm slowly. 3. Stop the engine and remove the start key. 4.

  • Page 109: Machine Towing

    13. MACHINE TOWING RECAUTION FOR TOWING • When towing the machine, use a wire rope that has ample strength for the weight of the machine that is being towed. • Do not tow the machine with steel rope damaged. If the machine sinks in mud and cannot get out under its own power, or if the drawbar pull of the excavator is being used to tow a heavy object, use a rope...

  • Page 111: Long Term Storage

    14. LONG TERM STORAGE 14.1 BEFORE STORAGE To protect the cylinders rod when the machine is not being used, set the work equipment as showed in beside figure. This to prevent rusting of the cylinder rod. When putting the machine in storage for a long time, do as follow: •...

  • Page 112: During Storage

    14.2 DURING STORAGE Every month do as follow: • Start the engine and travel the machine for a short stretch, so a thin coat of grease will cover the moving parts. • Charge the battery. • Clean the grease on a cylinder rod and operate with the working equipment.

  • Page 113: Starting Machine With Jump-Start Cables (Battery Discharged!)

    15. STARTING MACHINE WITH JUMP-START CABLES (BATTERY DISCHARGED!) PERATING WITH ATTERY • Before operating battery, stop the engine and turn the starting key to the 0 position. • When handling battery, always wear protective gloves and eyeglass. • When removing the battery, first disconnect the cable from the ground and remember which is which.
  • Page 114 Disconnect Connect • When remove the battery first disconnect the negative cable (1). • When install the battery first connect the positive cable (2). NOTICE: Never change cables polarity. WRONG...
  • Page 115 TARING ACHINE WITH JUMP START CABLES • When connect the cables be sure to prevent contact between them. • When start engine with jump-start cables wear always protective eyeglass. • Be sure that both vehicles will not touch each other, to avoid sparks near the battery, which may catch fire the sulphur acid gas.

  • Page 116: Precaution For Jump-Start Cable Connection And Staring

    15.1 PRECAUTION FOR JUMP-START CABLE CONNECTION AND STARING 1. Make sure that the starting switches and key are in OFF position, in both vehicles. 2. Connect jump-start cables as follow: • connect one clip of jump-start cable (1) to the positive terminal (+) of the problem machine, •...

  • Page 117: Precaution For Jump-Start Cables Disconnecting

    15.2 PRECAUTION FOR JUMP-START CABLES DISCONNECTING After the engine has starter, disconnect the jump-start cables in the reverse order in which they were connected: 1. disconnect one clip of jump-start cable (4) to the engine block of the problem machine, 2.

  • Page 119: Phenomena That Are Not Failure

    16. PHENOMENA THAT ARE NOT FAILURE Pay attention at follow phenomena that are not failure: 1. When the arm is pulled in, the speed of movement drop momentarily when the arm is more o less vertical. 2. The arm speed will drop momentarily when the bucket teeth are more or less horizontal.

  • Page 121: The Bucket

    17. THE BUCKET 17.1 BUCKET REMOVING Standard bucket capacity (m 0.52 1. Stop the machine on a firm and solid round. 2. Lower the working equipment with the bucket reverse bent. UCKET POSITION Lower the bucket on round softly, more is ground contact pressure more difficult is remove the pins from the bucket.
  • Page 122 NDIVIDUALS SAFETY DEVICES When you hit the pins with hammer to extract them, splinters may be produced and hit you. It may cause severe injure and permanent damage in your eyes. So use protective eyeglasses and heavy gloves. 5. Lift the working equipment to remove the bucket. AFETY EVICES Be sure that spacers and O-rings will not drop down and/or...

  • Page 123: Bucket Assembling

    17.2 BUCKET ASSEMBLING 1. Dry the hub with a clean and dry cloth-duster, take off mud and all other dusts. 2. Lubricate the sliding pins parts with oil or grease with MoS (molybdenum sulphide) (NLGI no 1 or similar). 3. Lower the working equipment aligning the arm’s hub hole with the bucket hub to insert bucket pin (1).

  • Page 125: Maintenance

    18. MAINTENANCE 18.1 GUIDES TO MAINTENANCE AINTENANCE OPERATIONS • Do not carry out any inspection or maintenance operation that is not given in this manual. • Perform maintenance in hard, flat ground. Check hour meter: Every day check the hour meter, to see if the time has come out for any necessary maintenance to be carried out.
  • Page 126 Use only original spare parts by YUCHAI ENGINEERING MACHINERY CO. LTD.: Do not using original spare parts will lapse the guarantee. Use only original lubricants by YUCHAI ENGINEERING MACHINERY CO. LTD.: Choose oil and grease with useful characteristics for ambient temperature.
  • Page 127 Avoid oil mixing: Do not mix different kind of oil. If you have got some oil different from which is inside the machine do not add it but change it all. Welding instruction: 1. Put the start key in 0 position. 2.

  • Page 128: Controls Table And Maintenance Schedule

    18.2 CONTROLS TABLE AND MAINTENANCE SCHEDULE Maintenance intervals Items to check Total worked hours 50 100 200 400 800 ● Oil, water, fuel leakage Machine cleaning and pipeline ● inspections Bolts and hydraulic connections General ● fastening ● Lamps, gauges and light ●...

  • Page 129: Maintenance During Breaking-In Period

    Maintenance intervals Items to check Total worked hours 50 100 200 400 800 ● Electrolyte level check and replace Battery Charge check and electrolyte ● density check ● Oil level check and replace ● Oil replace Travel engine Bolts and hydraulic connections ●...

  • Page 130: Lubricants (Oil And Grease), Coolant, Fuel Characteristics

    18.4 LUBRICANTS (OIL AND GREASE), COOLANT, FUEL CHARACTERISTICS If do not differently specified, use only oil, fuel and coolant used for shipping by YUCHAI ENGINEERING MACHINERY CO. LTD. When add oil never mix with other different. TEMPERATURE (°C) TANKS FLUID...

  • Page 131: Engine Oil And Hydraulic Oil

    • Add only the right quantity of oil. To much oil or lack oil will cause damage. • If hydraulic oil is not clear, maybe some air or water drop in it. In this case please contact YUCHAI ENGINEERING MACHINERY CO. LTD. • When change oil, always change relative filter.

  • Page 132: Coolant

    • When use antifreeze fluid, follow always the instruction written in this manual. • Machine made by YUCHAI ENGINEERING MACHINERY CO. LTD. are sent with original antifreeze YUCHAI ENGINEERING MACHINERY CO. LTD. mixed with coolant. This antifreeze is also useful to reduce the system corrosion.

  • Page 133: Filter

    • When you replace oil filter, check if there are some foreign material (metal) inside. case please contact YUCHAI ENGINEERING MACHINERY CO. LTD. • Do not open the filter pack to much time before use. Always use original filter made by YUCHAI ENGINEERING MACHINERY CO. LTD.

  • Page 134: Electrical Wiring

    • If you wash the machine, be careful to prevent electrical wiring wets. • To avoid radio interference between control device and walkie-talkie or radio system please check from YUCHAI ENGINEERING MACHINERY CO. LTD. before install anything. • If you work near the seashore, keep clean the electrical wiring o avoid corrosion.

  • Page 135: Maintenance Tools And Torque List

    18.7 MAINTENANCE TOOLS AND TORQUE LIST 18.7.1. Needed tools for maintenance The tools showed below are needed to make maintenance. No Tool Socket wrenches (10 ÷ 24 mm) with extension and handle. Bag tool. Wrench set (8 ÷ 32 mm). Screwdriver with interchangeable head.

  • Page 136: Standard Torque List

    (b) of the buts and bolts. If it is necessary to replace any nut or bolt, always use an original spare part by YUCHAI ENGINEERING MACHINERY CO. LTD. and of the same size as the part that was replaced.

  • Page 137: Periodical Replacement Of Safety Critical Parts

    When replacing the hoses, always replace the O-rings, gaskets and other such parts at the same time. Ask to YUCHAI ENGINEERING MACHINERY CO. LTD. to replace critical parts. 19.1 DAILY CHECKING OR EVERY 10 HOURS 19.1.1.

  • Page 138: Check, Clean And Replace Air Filter

    19.1.2. Check, Clean and Replace air filter IR FILTER CLEANING • Do not clean or replace air filter while engine is running. • If use compressed air to clean air filter always use protective eyeglasses. Clean and check: Upper advanced filter 1.

  • Page 139: Check Coolant Level And Pipe Preservation

    19.1.5. Checking and adjusting rubber shoes tension (for machine with rubber shoes only) If rubber shoes are in the following condition must be repaired so contact YUCHAI ENGINEERING MACHINERY CO. LTD. for repairing or replacing. Height of lug: If lug height “a” is reduced by wear, the drawbar Track roller pull will drop.
  • Page 140 When you want to know if your rubber shoes must be replaced, repaired or you can use them again please contact YUCHAI ENGINEERING MACHINERY CO. LTD. If cracks between the rubber shoe lugs increase to a size of approax. 60 mm the rubber shoes must be repaired.
  • Page 141 CHECK AND ADJUSTING TRACK TENSION: ACHINE LIFTING • Two operators must carry out these operations. One • must travel the machine according to signal from the other. The track tension cam be verified only when the track is lifted. • Be careful do not low down the machine while the operator is checking the tension.
  • Page 142 1. Prepare a grease gun, remove the lubricator top (1), pump in grease through lubricator hole (2). 2. Travel the machine backwards and forwards to check if the track tension has been achieved. 3. If can not ad just the correct tension with this procedure please contact YUCHAI ENGINEERING MACHINERY CO. LTD.
  • Page 143 Decrease the tension: REASE UNDER PRESSURE Remove the grease from the strain crawl cylinder only as shown in procedure below. 1. Open the top (1) then loosen the lubricator (2) gradually on the strain crawl cylinder to realise the grease. 2.
  • Page 144 Removal of rubber shoe: REASE UNDER PRESSURE • Remove the grease from the strain crawl cylinder only as shown in procedure below. • Check that all the grease has been released before rotate the sprocket to remove the rubber shoe (item 4). 1.
  • Page 145 6. Mesh the steel pipes with the rubber shoe, then rotate the sprocket again and fit the rubber shoe securely on the idler. Steel pipe 7. Stop the rotation and check that the rubber shoe is securely fitted to the sprocket and idler.

  • Page 146: 19.1.6. Checking And Adjusting Steel Track Tension (For Machine With Steel Track Only

    19.1.6. Checking and adjusting steel track tension (for machine with steel track only) CHECK AND ADJUSTING TRACK TENSION: ACHINE LIFTING • Two operators must carry out these operations. One • must travel the machine according to signal from the other. The track tension cam be verified only when the track is lifted.
  • Page 147 3. Go on with grease pumping until S become 0 mm. If the tension is too low, then the pin and the bearing are too worn, so replace them. Please contact YUCHAI ENGINEERING MACHINERY CO. LTD. to purchase the new parts.
  • Page 148 Decrease the tension: REASE UNDER PRESSURE Remove the grease from the strain crawl cylinder only as shown in procedure below. 1. Open the top (1) then loosen the lubricator (2) gradually on the strain crawl cylinder to realise the grease. 2.

  • Page 149: Maintenance Every 50 Hours

    19.2 MAINTENANCE EVERY 50 HOURS The maintenances scheduled every 10 hours must be done together with maintenances every 50 hours. 19.2.1. Lubricating RECAUTIONS WHILE LUBRICATING All lubricating operations must be done with the engine turned off. What prepare: • Grease gun. 1.

  • Page 150: Check Electrolyte Level

    Grease fittings position: 19.2.2. Check electrolyte level 1. Wipe off any dust from battery covers, to prevent dust come in. 2. Remove the caps of the battery’s elements. 3. Electrolyte level must be 10 ÷ 15 mm over the electrode plates. 4.

  • Page 151: Maintenance Every 100 Hours

    19.3 MAINTENANCE EVERY 100 HOURS The maintenances scheduled every 10 and 50 hours must be done together with maintenances every 100 hours. 19.3.1. Cleaning fuel filter and water separator What prepare: • a pan to collect drained fuel; • a wrench for hexagonal nuts. 1.

  • Page 152: Fan Belt Adjusting

    Check that all pulleys are not damaged, also that the V rut is not damaged. Particularly, check if the belt do not touch the bottom of the V rut. If the belt can not be adjusted, or if it cut or damaged please contact YUCHAI ENGINEERING MACHINERY CO. LTD. to replace it.

  • Page 153: Maintenance Every 200 Hours

    3. Remove the top and the gasket-tight. 4. Check the drained oil and if there are excessive metal particles or foreign material, please contact YUCHAI ENGINEERING MACHINERY CO. LTD. 5. Put on the gasket-tight then screw the drain plug. 6. Using a filter wrench, turn filter cartridge (1) in anticlockwise. If this...
  • Page 154 Clean the filter holder. Coat the packing surface of a new filter cartridge with engine oil (or coat it thinly with grease), then install it to the filter holder. When installing, tighten until the packing surface contacts the seal surface of the filter holder, then tighten it up ½...

  • Page 155: Check And Refill Oil In The Sprocket

    19.4.2. Check and refill oil in the sprocket RECAUTION WITH OIL AT HIGH TEMPERATURE After the machine worked, oil is at high temperature, so wait for temperature cool down before operate. What prepare: • a hexagonal wrench. • a pan to collect drained oil. 1.

  • Page 156: Oil Level In Swing Gear

    19.4.3. Oil level in swing gear RECAUTION WITH OIL AT HIGH TEMPERATURE After the machine worked, oil is at high temperature, so wait for temperature cool down before operate. What prepare: • a pan to collect drained oil. 1. Put a container (pan) under the reduction unit. 2.
  • Page 157 Procedure to breath out the air 1. Check the tightening of the all gaskets in the fuel pipeline. 2. Loosen the draining screws (3) on the fuel filter. 3. Turn on the clean pump (1) pushing several times until no air bubbles come out from the draining screws.
  • Page 158 • To much water inside the fuel tank. To inspect and ad just the intake pressure of the injector, or to solve the problem listed above please contact YUCHAI ENGINEERING MACHINERY CO. LTD. which has got special tools and know-how to repair the machine.

  • Page 159: Fuel Filter Cartridge Replacement

    19.5.2. Fuel filter cartridge replacement What prepare: • a pan to collect the drained fuel. 1. Open the engine hood. 2. Put the pan under the fuel filter to prevent fuel ground drain. 3. Using the appropriate key unlock the ring, then remove the pan to extract the filter and his O-ring.

  • Page 160: Replacing The Hydraulic Oil Return Filter

    19.5.4. Replacing the hydraulic oil return filter RECAUTION WITH OIL AT HIGH TEMPERATURE • After the machine operated, hydraulic oil is at high temperature, so wait for temperature cool down. • Unfasten the top slowly to reduce the pressure inside the oil tank.

  • Page 161: Replacing Pilot Filter Cartridge

    Clean the dismantle pieces with the grease remover fluid, install a new filter. Turn on the engine and move all arms slowly. 10. Check the oil level through the gauge and refill if it is necessary. 19.5.5. Replacing pilot filter cartridge EPLACING THE PILOT FILTER Before replacing filter make sure to breathe out the air and reduce the pressure.

  • Page 162: Engine Bolts Supports Tightening

    19.5.6. Engine bolts supports tightening With a dynamometric wrench check the correct torque of the engine supports. The nominal value is in the range 45 ÷ 55 Nm. 19.5.7. Replacing the air filter cartridge EPLACING THE AIR FILTER Do not operate on air filter while the engine runs. Replacing: Upper advanced filter 1.

  • Page 163: Oil Level In The Front Idler

    19.5.9. Oil level in the front idler RECAUTION WITH OIL AT HIGH TEMPERATURE • After the machine operated, oil is at high temperature, so wait for temperature cool down. What prepare: • a pan to collect the drained oil. 1. Park the machine on a level and solid ground. 2.
  • Page 164 19.6 MAINTENANCE EVERY 800 HOURS The maintenances scheduled every 10, 50,100, 200 and 400 hours must be done together with maintenances every 800 hours. 19.6.1. Cleaning and replacing cooling system OOLING SYSTEM CLEANING • The engine, muffler, radiator and many other parts of the machine are hot directly after the engine is stopped.
  • Page 165 RECAUTION WHEN HANDLED ANTIFREEZE Antifreeze can catch fire, keep it away from flames. Use water from aqueduct. If it is not available and you must use water from rivers, lakes etc. please contact YUCHAI ENGINEERING MACHINERY CO. LTD. What prepare: •...

  • Page 166: Replacing The Hydraulic Oil And Cleaning The Suction Strainer

    to remove air inside the system start the engine and let him run for 10 minutes with the radiator cap open (1). 10. Stop the engine, wait for 3 minutes, check the coolant level and if it is necessary fill up to 20 mm under the cap line, then fasten the cap tightly. 11.
  • Page 167 Dismantle suction filter unscrewing the 4 bolt and clean the dust on the filter, the wash it with a useful liquid. 10. Set up the cleaned filter or a new one if it is damaged. 11. Check the gasket then fasten the drain plug 12.

  • Page 168: Replacing The Travel Motor Gear Oil

    (1) until it flows out from level plug hole (2). 4. Fasten both top. 19.6.5. Check the engine valves clearance, adjusting them To inspect and adjust the engine valves, ask to YUCHAI ENGINEERING MACHINERY CO. LTD. which has got special tools and know-how to repair the machine.

  • Page 169: Hydraulic Scheme

    20. HYDRAULIC SCHEME...
  • Page 170 No Item No Item Right pilot valve 11 Pilot filter Pilot valve pedal 12 Accumulator Throttle valve 13 Hydraulic oil tank Left pilot valve 14 Radiator Rotating valve 15 Left pilot motor Motor 16 Rotating centre Hydraulic oil pump 17 Right pilot motor Slewing motor 18 Multi gear valve Boom cylinder...

  • Page 171: Electrical Scheme

    21. ELECTRICAL SCHEME...
  • Page 172 No Item No Item Starting switch 25 Wiper switch Main switch fuse 10A 26 Wiper Parking electromagnetism fuse 20A 27 Assemble meter Wall lamp fuse 5A 28 Water temperature Main electric 40A 29 Hydraulic oil temperature sensor Start motor fuse 20A 30 Engine oil pressure Horn fuse 5A 31 Warning lamp air filter...

  • Page 173: Trouble Shooting

    22. TROUBLE SHOOTING TROUBLE MAIN CAUSE SOLUTION • There is some trouble with • Replace or repair starter. starter. • Battery isn’t charged • Charge or replace battery. enough. • Warm-up circuit or the plug • Repair or replace warm-up is incorrectly used.
  • Page 174 TROUBLE MAIN CAUSE SOLUTION • Engine is over hot. • Check if coolant is used correct, and if the pump and The power of the engine the belt is loosen, if so, lowered. repair or replace and clean the block object in the watercourse.
  • Page 175 TROUBLE MAIN CAUSE SOLUTION • Alternator broken. • Contact assistant service. • Alternator faulty. • Contact assistant service. The lamps are dark when the engine is • The electric loop is trouble. • Check the loop, connect and running. repair. •...
  • Page 176 TROUBLE MAIN CAUSE SOLUTION • There is rock or crushed in • Remove foreign parts. the crawler chain. Abnormal travelling. • Leakage in control valve. • Contact assistant service. • Capability of motor lowered. • Contact assistant service. • Front idler, tension unit or •...

  • Page 177: Optional Accessories

    LTD. Because this may reduce the machine work life and may cause its loss of minimum safety requirements. The YUCHAI ENGINEERING MACHINERY CO. LTD. deny liability for possible damage to people and/or object due to installation of non authorized accessories on the machine.
  • Page 178 RECAUTION INSTALL AND UNINSTALL THE ACCESSORIES • Before install and uninstall accessories park the machine on level, solid ground. • If two or more operators will install or uninstall accessories first define who give orders and who receive orders. • If you must move heavy objects use crane with enough loading capacity.

  • Page 179: Notice

    24. NOTICE...

  • Page 181: Analytic Index

    25. ANALYTIC INDEX Instrument and command description; 55 Instrument panel and switches; 60 Instrument panel check; 78 Introduction and general information; 9 Backhoe work; 92 Backwards movement; 80 Battery charge lamp; 63 Left lever; 59 Lever and pedal; 56 Load precaution; 107 Cabin;...
  • Page 182 Seat belt; 68 Standard torque list; 136 Start engine in cold weather; 77 Using rubber shoes; 101 Start key; 65 Starting; 76 Starting machine; 71 Starting machine with jump-start cables; 113 Warning plates; 52 Swinging; 85 Yuchai engineering machinery co., ltd; 13...
  • Page 183 YUCHAI ENGINEERING MACHINERY CO., LTD. Manufacturing Base: 168 Tianqiao Road, Yulin, Guangxi, 537005 P.R. China Export Department Office: 36 Cuizhu Road, Guilin, Guangxi, 541002 P.R. China Tel: 0086-773-5588521 5588522 5588523 Fax: 0086-773-5588530 E-mail: export@yuchai-excavator.com Web-site: www.yuchai-excavator.com YUCHAI EUROPE: Address: V. Del Fonditore, 14 40138 Bologna, Italy...

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