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MAINTENANCE
GUIDES TO MAINTENANCE
GUIDES TO MAINTENANCE
Do not perform any inspection and maintenance operation that is not found in this manual.
Check service meter:
Check the service meter reading every day to see if the time has come for any necessary maintenance to be
performed.
Komatsu genuine replacement parts:
Use Komatsu genuine parts specified in the Parts Book as replacement parts.
Komatsu genuine oils:
Use Komatsu genuine oils and grease. Choose oils and grease with proper viscosities specified for ambient
temperature.
Always use clean washer fluid:
Use automobile window washer fluid, and be careful not to let any dirt get into it.
Clean oil and grease:
Use clean oil and grease. Also, keep the containers of the oil and grease clean. Keep foreign materials away from
oil and grease.
Checking foreign material in drained oil:
After oil is changed or filters are replaced, check the old oil and filters for metal particles and foreign materials. If large
quantity of metal particles or foreign materials are found, always report to the person in charge, and carry out
suitable action.
Be careful of hot water and oil:
If your machine is equipped with a fuel strainer, do not remove it while fueling.
Welding instructions:
Turn off the engine starting switch.
Do not apply more than 200 V continuously.
Connect grounding cable within 1 m (3.3 ft) of the area to be welded. If grounding cable is connected near
instruments, connectors, etc., the instruments may malfunction.
If a seal or bearing happens to come between the part being welded and grounding point, change the grounding
point to avoid such parts.
Do not use the area around the work equipment pins or the hydraulic cylinders as the grounding point.
Objects in your pockets:
When opening inspection windows or the oil filler port of the tank to carry out inspection, be careful not to drop
nuts, bolts, or tools inside the machine.
If such things are dropped inside the machine, it may cause damage and/or malfunction of the machine, and will
lead to failure. If you drop anything inside the machine, always remove it immediately.
Do not put unnecessary things in your pockets. Carry only things which are necessary for inspection.
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