Yuchai YC135, Operation And Maintenance Manual

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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. It may damage the hydraulic
accessories and will cause oil leakage.
5. If you must replace oil, unscrew the top on
right side of the machine then fill in the oil
through the muff.
6. Check again the oil level if it is good, fast the
top tightly.
NOTICE: The oil level can change by oil temperature. So be carefully:
•
When oil temperature is near environment temperature (10 ÷ 30 °C) the oil
level can approach the minimum level.
•
When oil temperature is 50 ÷ 80 °C, the oil level can approach the upper
level.
7.1.6. Check air filter
See the instruction listed in the paragraph “CHECK, CLEAN AND REPLACE
AIR FILTER”.