Check Pivot Bearing Oil Level, Add Oil; Check Oil Level In Recoil Spring, Assist Cylinder Case, Add Oil; Check Alternator, Starting Motor - Komatsu D475A-5E0 Operation & Maintenance Manual

MAINTENANCE

CHECK PIVOT BEARING OIL LEVEL, ADD OIL

1. Remove plug (1).
When removing plug (1), be careful not to let dirt or dust get it.
2. Check that the oil is up to oil level (2) in the diagram.
If the oil level is low, add oil through the hole for plug (1).
(B): 10 to 30 mm (0.4 to 1.2 in)

CHECK OIL LEVEL IN RECOIL SPRING, ASSIST CYLINDER CASE, ADD OIL

1. Remove bolts (1), then remove cover (2).
When removing the cover, be careful not to let dirt or sand get
in.
2. Loosen the plug and confirm that the internal pressure is
released.
Insert a scale and check that the oil level (a) is 90 to 110 mm (3.5
to 4.5 in) from the bottom edge of the inspection port.
If the oil is insufficient, add oil.

CHECK ALTERNATOR, STARTING MOTOR

The brushes may be worn or the bearing may have run out of grease, ask your Komatsu distributor for inspection
and repairs.
If the engine is started frequently, have this inspection performed every 1000 hours.
SERVICE PROCEDURE
4 - 85