.
MAINTENANCE
MAINTENANCE PROCEDURE
19. After replacing the filter cartridge, start the engine and run it at low idling for 10 minutes.
Check for leakage of oil from the filter seal surface and tranparent cap mounting. If any oil is leaking, check the
tightening of the filter cartridge.
If there is still oil leakage, repeat Steps 1 - 7 to remove the filter cartridge, and if any damage or embedded
foreign material in the packing surface is found, replace it with a new cartridge and repeat Steps 8 - 19 to install
it.
CHECK SWING PINION GREASE LEVEL, ADD GREASE
Prepare a scale.
1. Remove bolts (1) (2 bolts) on the top of the revolving frame and
remove cover (2).
2.
Insert a scale into the grease and check that the height of the
grease in the portion where the pinion passes is at least 14 mm
(0.6 in).
Add more grease if necessary.
3. Check if the grease is milky white. If it is milky white, it is
necessary to change the grease. Please contact your
Komatsu distributor.
The total amount of grease is 33 liters (29.7 kg) [8.7 US gal (65
lb)].
4.
Install cover (2) with bolts (1).
4 - 51
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