3-2
17. GUIDES TO MAINTENANCE
Do not carry out any inspection and maintenance operation that is not given in this manual.
Perform maintenance work on hard, flat ground.
Set to the inspection and maintenance posture.
Always carry out operations with the machine in the following
posture unless otherwise specified.
‡ Lower the work equipment to the ground and set in the posture
shown in the diagram on the right.
‡ Set all control levers to the neutral or HOLD position.
‡ Set the safety lever to the LOCK position.
‡ Press the parking brake switch to apply the parking brake.
‡ Put blocks in front and behind the tires.
‡ Lock the front and rear frames with the safety bar.
Check service meter:
Check the service meter reading every day to see if the time has come for any necessary maintenance
to be carried out.
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.
Always use clean oil and grease:
Use clean oil and grease. Also, keep containers of the oil and grease clean. Keep foreign materials away
from oil and grease.
Keeping the machine clean:
Always keep the machine clean. This makes is easier to find parts causing problems. In particular, keep
grease fittings, breathers and oil level gauges clean and avoid foreign materials from getting in them.
Be careful of hot water and oil:
Draining hot oils and coolants and removing their filters immediately after the engine stops are
hazardous. Allow the engine to cool.
If the oil has to be drained when it is cold, warm up the oil to a suitable temperature (approx. 20 – 40°C)
before draining it.
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