Method For Checking And Adding Pivot Bearing Oil - Komatsu D85EX-18 Operation & Maintenance Manual

MAINTENANCE
18. Remove strainer (8).
19. Clean removed strainer (8) in clean diesel fuel or flushing oil.
20. Install strainer (8) to its original position.
21. Install cover (7).
22. Add the refill capacity of oil through oil filler port (F).
NOTICE
Do not add it above level H. It may damage the oil circuit
and cause the oil to spurt out.
If oil has been added to above H mark, stop the engine and
wait for the hydraulic oil to cool down. Then remove drain
plug (P) and loosen drain valve (1) to drain the excess oil.
23. Install the cap of oil filler port (F).
24. After draining oil, bleed the air from the hydraulic circuit.
For the air bleeding procedure of hydraulic circuit, see
"METHOD FOR BLEEDING AIR FROM HYDRAULIC CIR-
CUIT (4-37)".
25. Check that the oil level is proper.
For the check of oil level, see "METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING
OIL (3-133)".

METHOD FOR CHECKING AND ADDING PIVOT BEARING OIL

1.
Remove plug (1).
Be careful not to let dirt enter.
2.
Check that the oil level is at or above the level (A) shown
in the figure.
If the oil level is low, add power train oil (TO30) through the
hole of plug (1).
(B): 25 mm
3.
Install plug (1).
MAINTENANCE PROCEDURE
4-63