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MAINTENANCE PROCEDURE
METHOD FOR CHECKING ACCUMULATOR FUNCTION
When performing the inspection, check first that there is no person or obstacle in the surrounding area.
Check the nitrogen gas charge pressure as follows.
1.
Place the machine on a flat ground.
2.
Hold the work equipment in the maximum reach posture
(arm fully OUT, bucket fully DUMP) at height (A) 1.5 m
from the ground.
3.
Perform the following procedure within 15 seconds.
After the engine stops, the accumulator pressure decreases gradually. You can check only just after the en-
gine stops.
1)
Keep the work equipment at the maximum reach pos-
ture, turn the starting switch to OFF position (A), and
stop the engine.
2)
Turn the starting switch to ON position (B).
3)
With the lock lever at FREE position (F), operate the
work equipment control levers fully in LOWER direc-
tion and check that the work equipment is lowered to
the ground.
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k
k
CAUTION
MAINTENANCE
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