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18. Precautions for Servicing
Do not use any inspection or servicing procedures that are not described and recommended in
this manual.
Park the machine on solid, level ground to inspect and service it.
Check the hour meter
Read the hour meter every day to check if any service item has reached the time prescribed for imple-
mentation.
Use genuine replacement parts.
Use genuine parts specified in the parts catalog
Use lube oil and grease as specified in this manual.
Use lube oil and grease of specified viscosity with regard to the temperature.
Use clean lube oil and grease
Use clean lube oil, grease and containers to prevent dust from mixing into them.
Clean the machine
Clean the machine for easy isolation of faulty parts.
Particularly clean the grease nipple, breather, and the oil level gauge glass to prevent dust from entering
into them.
Be careful of high water and oil temperatures
It is dangerous to replace the oil, the cooling water and the filter immediately after stopping the engine.
Wait until their temperatures drop. When the engine oil is too cool, heat the oil to adequate temperature
[approximately 68°F to 104°F (20°C to 40°C)] before draining oil to improve draining efficiency.
Check the drained oil and the old filter element
When replacing the engine oil, the hydraulic oil, or the filter element, check the drained oil and the old
filter element for metallic dust and foreign solid deposits.
Observe precautions for replenishing oil
If a strainer is mounted on the oil port, do not remove the strainer to replenish oil.
Be careful of dust
When checking or replacing the oil, do this in the place with no dust or other particles to prevent dust
contamination.
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