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MAINTENANCE
SERVICE PROCEDURE
EVERY 500 HOURS SERVICE
Maintenance for every 50, 100 and 250 hours service should be carried out at the same time.
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause burns. Wait for the
temperature to go down before starting the work.
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
Refill capacity: 32 liters (8.45 US gal)
Prepare a filter wrench
1.
Open the engine side cover on the right side of the chassis.
2. Open oil filler (F).
3.
Place a container to catch the oil under drain plug (P).
4.
Loosen drain plug (P), and drain the oil.
5. Check the drained oil, and if there are excessive metal
particles or foreign material, please contact your Komatsu
distributor.
6. Install drain plug (P).
7. Open the engine side cover on the left side of the chassis.
8.
Using the filter wrench, turn filter cartridge (1)
counterclockwise to remove it.
In particular, if this operation is carried out immediately after
stopping the engine, a large amount of oil will come out, so wait
for 10 minutes before starting the operation.
9. Clean the filter holder, fill the new filter cartridge with engine oil,
then coat the seal and thread of the filter cartridge with engine
oil (or coat thinly with grease) and install.
10. When installing the seal, tighten it so its surface comes into
contact with the filter holder, then tighten another 3/4 turn.
11.
After replacing the filter cartridge, add oil through oil filler (F)
until the oil level is between the H and L marks on the dipstick
(G).
12.
Run the engine at idle for short time, then stop the engine, and
check that the oil is between the H and L marks on the dipstick.
For details, see "CHECK OIL LEVEL IN ENGINE OIL PAN,
ADD OIL (PAGE 3-95)".
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