MAINTENANCE
7-52
Check Ride Control Accumulator Function, Gas
Leakage, Looseness, and Damage (Option)
--- every 500 hours
d
WARNING: Allow only qualified personnel to
handle the accumulator.
High-pressure nitrogen gas is enclosed in the
accumulator. (N
2
is inert.)
Never strike the accumulator. Keep the
accumulator away from heat sources.
Do not weld the accumulator housing.
Be sure to release oil pressure before starting to
work on ride control circuit.
Let the machine travel with the ride control switch turned
from AUTO to OFF to compare the machine’s vertical
vibration during travel.
Travel the machine at the speed faster than “Ride Control
Drive Speed Setting” displayed on the multi-monitor.
If the machine’s vertical vibration is not dampened when
letting the machine travel with the ride control function
activated, the accumulator may be faulty.
Consult your nearest authorized dealer for check and
repair.
Check Gas Pressure in Ride Control Accumulator
(Option)
--- every 2000 hours
Check the gas pressure at a regular interval. Ask your
nearest authorized dealer for checking.
Check Gas Pressure in Steering Accumulator
--- every 2000 hours
Check the gas pressure at a regular interval. Ask your
nearest
authorized dealer for checking.
While steering the machine, if you feel pulsation or
vibration
and machine does not turn smoothly, contact your nearest
authorized dealer for the gas pressure checking.
115Z7B-S-53
115Z7-7-53-1
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