Komatsu PC118MR-8, Operation And Maintenance Manual

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MAINTENANCE
MAINTENANCE PROCEDURES
4-63
CHECKING THE GREASE LEVEL IN THE BALL-BEARING RING PINION AND TOPPING
UP
4
WARNING
q
Carry out this check with the machine at rest, on a level surface and at the end of work, that is, at
operating temperature.
q
Oils, filters, the coolant and the battery are considered special waste and must be collected and
disposed of according to the regulations in force.
1. Remove the upper guard (1).
2. Loosen the screws (2) on the top of the revolving frame
and remove the cover (3).
3. Check the grease.
4. If the grease is milky white, change it. To carry out this
operation, contact your Komatsu distributor.
5. Install the grease filler cover (3).
6. Install the cover (1).
LUBRICATING THE SWING CIRCLE 4
This maintenance operation must be carried out with the work
equipment resting on the ground.

The lubrication must be carried out after thoroughly cleaning
the grease nipples, by applying the grease pump filled with the
p r e s c r i b e d g r e a s e , ( s e e " F U E L , C O O L A N T A N D
LUBRICANTS (4-12)").

Once the lubrication procedure has been completed, make
sure that all the points have been lubricated and remove the
used grease that has spread out of the swing circle.
NOTICE
It is advisable to inject grease in all the grease nipples (no.
2 arranged to form an angle of 180°), in order to obtain a
correct distribution and a sufficient quantity of new
grease.
RKA35920
WEAM014802