8.1 Maintenance plan
Failure of hydraulic systems
Hydraulic system failures are often caused by an incorrect choice of hydraulic uid or excessive
solid contamination in the hydraulic uid. High solid contamination is due to lack of maintenance
of the hydraulic system.
►
Select hydraulic uid according to specifications.
►
Carry out the activities described in this section carefully and in due time.
HAWE inspection interval
Ride manufacturer’s
inspection interval
Cleaning and visual inspection for damage
Locking unit
V
Emergency override
V
Piston rod
V
Piston type accumulator
V
Tapped plug on check valve
(droplets forming)
V
Mechanism
Check locking unit for external
leakage
Part of daily function
testing page
Check emergency override button
and clean if necessary
V
Check rod-side and base-side rod
end bolt connection, retighten if
necessary, then renew/apply paint
marking.
The rod end must be screwed
all the way in.
V
Check pivot bearing clearance
Weekly
Replace rod ends
V
Function testing
Function testing: locking
Daily and before every startup
Function testing: opening
Daily and before every startup
Function testing: holding and drift
Weekly
Electrics
Check electrical contacts
(AMP Superseal series 1,5)
In case of malfunction
Check solenoid, replace if necessary
In case of malfunction
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HAWE Hydraulik SE
