Komatsu PW98MR-10, Operation & Maintenance Manual

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2) Loosen the knob of feed pump (9), pull it out, then pump it in and out until the movement becomes
heavy.
REMARK
• It is not necessary to remove the plugs at the fuel prefilter head and at the fuel main filter head.
• When the engine runs out of fuel, use the same procedure to operate feed pump (9) and bleed the air.
15. After bleeding air, push in the knob of feed pump (9) and tighten it.
16. After replacing filter cartridge (7), start and run the engine at low idle for 10 minutes.
17. Check for leakage of oil from the filter seal surface and transparent cup mounting face.
If the leakage is noticed, check the filter cartridge for its tightening condition.
If there is still fuel leakage, repeat steps 2 to 8 to remove the filter cartridge, and if any damage or pinched for-
eign material on the packing surface is found, replace it with a new cartridge and repeat steps 9 to 16 to install
it.
METHOD FOR CHECKING SWING PINION GREASE LEVEL, ADD GREASE
1.
Remove bolts (1) (6 pieces) and to remove cover (2).
2.
Remove bolts (3) (2 pieces) on the top of the revolving
frame to remove grease filler port cover (4).
3.
Check that grease is filled.
4.
Check that the grease is not milky white.
Total amount of grease: 5.5 ℓ (1.45 U.S.Gal)
If the grease is milky white, it needs to be replaced. Ask
your Komatsu distributor to replace it.
5.
Install grease filler port cover (4) with bolts (3).
6.
Install cover (2) with bolt (1).
METHOD FOR LUBRICATING SWING CIRCLE
Prepare a grease pump.
1.
Retract the arm and bucket cylinders completely, extend
the two-piece boom cylinder completely and lower the
boom until the bucket teeth rest on the ground.
2.
Lower the blade to the ground.
MAINTENANCE MAINTENANCE PROCEDURE
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