Yanmar 6D170E Diesel Engine Service & Operation Manual PDF (EN)

COVER

SEBES6161000 OEM USE SIIOE I CLAN IN LUJANLs KOMATSU 6D170-1 seris DIESEL ENGINE APPLICABLE ENGINE MODELS $6D170-1 ~ $A6D170-B-1 SA6D170-A-1 ee KOMATSU

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CONTENTS

oe CONTENTS 11 STRUCTURE AND FUNCTION.................... mt 12 TESTING AND ADJUSTING ............................ 12-1 13 DISASSEMBLY AND ASSEMBLY ...................... 13-1 14 MAINTENANCE STANDARD ........................ 14-1 Ces anatrvee wanscergeante Gi S 15 REPAIR AND REPLACEMENT OF PARTS ........... 15-1 170-1 SERIES 00-1

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CONTENTS

A IMPORTANT SAFETY NOTICE Proper service and repair is extremely important for the safe operation of your machine. The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe methods of operation. Some of these operations require the use of tools specially designed by Komatsu for the purpose. “he To prevent injury to workers, the symbols A and - are used to mark safety precautions in this manual. The cautions accompanying these symbols should always be followed carefully. If any dangerous situation arises or may possibly arise, first consider safety, and take the necessary actions to deal with the situation.

A SAFETY GENERAL PRECAUTIONS 6.Decide a place in the repair workshop to keep tools and removed parts. Always keep Mistakes in operation are extremely dangerous. Read the Operation and Maintenance Manual carefully BEFORE operating the machine. 1. Before read carrying out any greasing all precautions the or repairs, given on the the tools and parts in their correct places. Always keep the work area clean and make sure that there is no dirt or oil on the floor. Smoke only in the areas provided for smoking. Never smoke while working. decals which are fixed to the machine. 2.When carrying out any operation, always wear safety shoes and helmet.

Do not wear loose work clothes, or clothes with buttons missing. e Always wear safety glasses when parts with a hammer. e Always wear safety glasses grinding parts with a grinder, etc. hitting when carrying out any operation with two or more workers, always agree on the op- erating procedure before starting. Always inform your fellow workers before starting any work, step of hang the operation. UNDER REPAIR Before starting signs on the controls in the operator's compartment. 5. Keep all tools in good condition the correct way to use them.

170-1 SERIES FOR WORK 7.Before oil adding or making any repairs, park the machine on hard, level ground, and block the wheels or tracks machine from moving. to prevent the .Before blade, starting work, lower ripper, bucket or any other work equipment to the 3.If welding repairs are needed, always have a trained, experienced welder carry out the work. When carrying out welding work, always wear welding gloves, apron, glasses, cap and other clothes suited for welding work. 4.When PREPARATIONS and learn ground. If this is not possible, insert the safety pin or use blocks to prevent the work equipment from falling.

to lock all the control In addition, be sure levers and hang warning signs on them. 9.When disassembling or assembling, support the machine with blocks, jacks or stands before starting work. 10.Remove all mud and oil from the steps or other places used to get on and off the machine. Always use the handrails, ladders or steps when getting on or off the machine. Never jump on or off the machine. If it is impossible to use the handrails, ladders or steps, use a stand to provide safe footing. 00-3

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PRECAUTIONS DURING 19.Be sure to assemble all parts again in their original places. Replace any damaged parts with new parts. e When installing hoses and wires, be sure that they will not be damaged by WORK 11.When removing the oil filler cap, drain plug or hydraulic pressure measuring plugs, loosen them slowly to prevent the spurting out. Before disconnecting oil from contact or removing compo- | nents of the oil, water or air circuits, first remove the pressure completely from the circuit. 12. The water and oil in the circuits when the engine is stopped, not to get burned.

are hot so be careful | Wait for the oil and water to cool before car- rying out any work on the oil or with other parts when the ma- chine is being operated. 20. When installing high pressure hoses, make sure that they are not twisted. Damaged tubes are dangerous, so be extremely careful when installing tubes for high pressure circuits. Also, check that connecting parts are correctly installed. water 21.When assembling or installing parts, always use the specified tightening torques. When 13. Before starting work, remove the leads from the battery. Always remove the lead from installing protective parts such as guards, or circuits. the negative (—) terminal first.

14.When raising heavy components, use a hoist or crane. Check that the wire rope, chains and hooks 22.When use lifting equipment which has ample capacity. Install the lifting equipment at the correct places. Use a hoist or crane and operate slowly to prevent the component from hitting any other part. Do not work with any part still raised by the hoist or crane. 15.When ternal removing covers which are under inpressure or under pressure from aligning two holes, never insert your fingers or hand. Be careful not to get your are free from damage. Always parts which vibrate violently or rotate at high speed, be particularly careful to check that they are installed correctly.

a spring, always leave two bolts in position on opposite sides. Slowly release the pressure, fingers caught in a hole. 23.When measuring hydraulic pressure, check that the measuring tool is correctly assem- bled before taking any measurements. 24. Take care when removing or installing the tracks of track-type machines. When removing the track, the track separates suddenly, so never let anyone stand at either end of the track. then slowly loosen the bolts to remove. 16. When removing components, be careful not to break or damage the wiring. Damaged wiring. may cause electrical fires. — 17.When removing piping, stop the fuel or oil from spilling out.

If any fuel or oil drips on to the floor, wipe it up immediately. Fuel or oil on the floor can cause you to slip, or can ~ even start fires. 18.As a general wash rule, do parts. In particular, use only the mini- mum of gasoline parts. 00-4 not use gasoline to when washing electrical 170-1 SERIES

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