Every 500 Hours Service; Change Oil In Engine Oil Pan, Replace Engine Oil Filter Cartridge - Komatsu D475A-5E0 Operation & Maintenance Manual

SERVICE PROCEDURE

EVERY 500 HOURS SERVICE

Maintenance for every 250 hours should be performed at the same time.

CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE

The oil is at high temperature after the engine has been operated, so never change the oil immediately after finishing operations.
Wait for the oil to cool down before changing it.
NOTICE
If fuel has a high sulphuric content, shorten the replacement interval of engine oil. For more details, see "RECOMMENDED FUEL,
COOLANT, AND LUBRICANT (PAGE 4-12)".
Use a venturi component type for the engine oil filter.
Refill capacity: 121 liters (31.97 US gal)
Prepare a socket wrench and filter wrench.
1. Open cover under the chassis. Set a container to catch oil
under drain valve (2).
2. Remove drain plug (1) and slowly open drain valve (2), and
drain the oil.
Take care not to open drain valve (2) so much that the stopper
pin in the valve is distorted.
Tightening torque for drain plug (1): 68.6 ± 9.8 Nm
Tightening torque for drain valve (2): 63.7 ± 14.7 Nm (6.5 ± 1.
3. Check the drained oil, if there is excessive metal particles or
foreign material, contact your Komatsu distributor.
4. Close drain valve (2) and insert and tighten drain plug (1).
5. Use a filter wrench and remove each filter cartridge (3) in turn,
starting from the front of the machine.
6. Clean the filter holder, fill the new filter cartridge with engine oil,
coat the packing surface and thread with engine oil (or coat it
thinly with grease), then install the filter cartridge.
7. When installing the filter cartridge, bring the packing surface
into contact with the filter holder, then tighten a further 3/4 to 1
turn.
4 - 68
WARNING
(7 ± 1 kgm, 50.6 ± 7.2 lbft)
5 kgm, 47.0 ± 10.8 lbft)
MAINTENANCE