10
Troubleshooting
WARNING
Danger of accident and death in event of improperly performed troubleshooting and fault repair
►
Switch off the hydraulic system immediately if faults or damage occur.
►
Evacuate the rider from the affected seat.
►
Secure the seat to prevent it being used.
►
Follow the safety instructions.
►
Carry out only the procedures set out in the
Maintenance
chapter.
WARNING
Danger of crushing/malfunction from unexpected startup
Body parts may be crushed or shorn off if the system starts up unexpectedly.
►
Wear protective clothing.
►
Take precautions to prevent anyone from entering the danger zone throughout all commissioning or
maintenance work.
►
Do not energize solenoid valves while uninstalled.
►
Do not trigger emergency release while uninstalled.
WARNING
Risk of injury in event of inadequate qualication
Improper operation of the emergency override can result in severe injury and damage to property.
►
The emergency override may only be operated by trained personnel or instructed persons.
►
After the emergency override has been operated, the locking, opening and holding function, as well
as the drift, must be checked as per the functional check procedure.
DAMAGE
Damage due to improper heating of the hydraulic locking unit
Using non-approved aids to heat the hydraulic system will damage seals and cause leaks in the hydraulic
system.
►
Never use heaters, gas burners or other similar heating devices to heat the system.
►
Operate the hydraulic locking unit within the permissible operating temperatures.
The following table lists possible faults and measures to eliminate these. Contact the manufacturer in
case of faults that cannot be remedied by following the descriptions here.
Fault
Possible cause
Check
Remedy
Emergency override button
sticking
Soiling
As described in the
chapter on cleaning
.
Piston rod not moving
(unlocking not possible)
Emergency override button
faulty
Operate the emergency
override and check the
smooth movement of the
button.
If the emergency override
button does not move
smoothly, check as
described in chapter-
.
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-2021 - 1.7
HAWE Hydraulik SE