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Komatsu D475A-3 - Page 262

Komatsu D475A-3
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MAINTENANCE
SERVICE PROCEDURE
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 at the level shown in the diagram. If the oil
level is low, add engine oil through the hole of plug (1).
Use class CD SAE 30 engine oil regardless of the ambient
temperature.
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 is 90 to 110 mm (3.6
to 4.4 in) from the bottom edge of the inspection port.
If the oil is insufficient, add engine oil.
4 - 65

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