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 14 to install
it.
METHOD FOR CHECKING SWING PINION GREASE LEVEL, ADDING GREASE
Items to be prepared
Scale
1.
Remove bolts (1) (2 pieces) on the top of the revolving
frame, and remove cover (2).
2.
Insert ruler (3) into the grease through inspection and ad-
justment hole (A). Check that the height of grease (S) in
the area where the pinion passes is at least 4 mm.
Add grease if the grease amount (S) is less than 4 mm.
3.
Check that the grease is not milky white.
Total amount of grease: 10 ℓ
If the grease is milky white, it needs to be replaced. Ask
your Komatsu distributor to replace it.
4.
Install cover (2) with bolt (1).
METHOD FOR LUBRICATING SWING CIRCLE
Prepare a grease pump.
1.
Lower the work equipment to the ground.
2.
By using a grease pump, apply grease to the grease fit-
tings marked by arrows (2 places).
3.
After greasing, wipe off any old grease that is pushed out.
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