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MAINTENANCE
CHECK SWING PINION GREASE LEVEL, ADD GREASE
When this maintenance is carried out, it is necessary to open (tilt) the floor.
Before starting the operation to open the floor, read the precautions in Section "CAUTIONS FOR OPENING (TILTING) FLOOR
(PAGE 2-36)" in the safety and maintenance sections thoroughly, and refer to the explanation for each part in Section "METHOD
OF OPENING (TILTING) FLOOR (PAGE 3-29)" when carrying out the operation. Or ask your Komatsu distributor to carry out the
maintenance.
1. When opening (tilting) the floor, see "When Opening (tilt open)
(PAGE 3-29)" for details.
2. Disconnect hose (3) leading to the swivel.
3. Remove bolts (1) (2 bolts) on the top of the revolving frame and
remove cover (2).
4. Check that grease is inside.
5. Check if the grease is milky white. If it is milky white, it is
necessary to change the grease. Please contact your
Komatsu distributor.
The total amount of grease is 4.5 liters (4.1 kg) [1.19 US gal,
(9.04 lb)].
6. Install cover (2) with bolts (1).
7. Install the hose (3).
WARNING
MAINTENANCE PROCEDURE
4 - 49
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