Komatsu PC118MR-8, Operation And Maintenance Manual

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USE OF THE MACHINE AND RELATED CONTROLS
FUNCTIONING
3-116
Check the oil level in the hydraulic tank and top up
WARNING
q
Carry out this check when the oil is cold, with the machine positioned on level ground, bucket and arm
cylinders retracted and bucket teeth resting on the ground.
q
Before topping up, stop the engine and eliminate the residual pressure from the equipment circuits
(by shifting the controls more than once) and from the tank by slowly loosening the filling cap.
1. Check the oil level in the hydraulic tank, with the machine
in the conditions A or B illustrated below.
A) Start the engine and let it idle; lower the blade to the
g r o u n d , r e t r a c t t h e a r m a n d b u c k e t c y l i n d e r s
completely, swing the boom to the centre.

Lower the boom until the bucket teeth touch the ground
and then stop the engine.
B) Start the engine and let it idle; lower the blade to the
g r o u n d , e x t e n d t h e a r m a n d b u c k e t c y l i n d e r s
completely, swing the boom to the centre.

Lift the boom completely and stop the engine.
2. Check the level via the level glass (G) located on the right
hand side of the machine. If the level is as indicated below,
it is correct.
Machine in position A: included in the range “a”
Machine in position B: included in the range “b”
NOTICE
q
Do not add oil above the H mark, in order to avoid
damaging the hydraulic circuit or causing oil leakages.
q
If the H mark has been exceeded, turn the revolving
frame so as to position the drain plug (P), which is
under the hydraulic tank, between the tracks, then
stop the engine and wait for the hydraulic oil to cool
down. At this point, drain the excess oil through the
drain plug (P).
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