Changing Engine Oil Filter - Komatsu WB140-2N Operation & Maintenance Manual

MAINTENANCE
5. Tighten engine oil pan drain plug (1), and add exact quantity of new
oil, using dipstick (3) to make sure that oil reaches the MAX. level.
6. Reinstall filler cap (2). Start the engine, and let it run for 5 minutes
and then shut it down. Check oil level again and add oil if neces-
sary.
7. Close the engine hood.
Use oil suitable for the ambient temperature. (See "FUEL, COOLANT,
AND LUBRICANTS" on page 3-7).

CHANGING ENGINE OIL FILTER

• Immediately following machine operation, engine oil is very hot and may cause burns; let the engine
cool down until it reaches a temperature of 40-45
• Oil that may be spilled during changes makes the ground slippery, therefore, use anti-slip shoes and
immediately remove any trace of oil from the floor.
• Oils, filters, coolant, and the battery are considered special waste and must be collected and disposed
of according to all anti-pollution regulations in force.
Replace oil filter every time the oil is changed.
Proceed as follows:
1. Unscrew and remove old filter (1), using special wrench that is pro-
vided.
2. Clean contact surface between the gasket and filter support (2).
3. Fill the new filter with engine oil, lubricate gasket, and carefully
screw it on.
4. Give another half turn by hand.
Start the engine. Make sure that there are no leaks and that the oil pres-
sure warning light goes out.
Do not use the wrench to further tighten the filter. The filter may get
damaged and cause an oil leak.
3-42
° °
C (104-113 F) before draining the oil.
WB140-2N, WB150-2N