Instruction Manual for Mobile Jacks
19
7
Troubleshooting
If the lift does not function without problems, it may have a simple cause. Please contact customer
service in the case of an undefined problem.
Problem
Possible cause
Repair
Piston rod [1] moves down
under load.
Cylinder tube corroded, piston
sleeves worn, or ball valves
leaking.
Request customer service.
Hydraulic fluid contaminated.
Change the hydraulic fluid. (
Hydraulic fluid leaks at the
piston rod [1].
Damage to the piston rod has
destroyed the seal.
Request customer service.
Hydraulic fluid leaks at the
pneumatic control valve.
Fluid level too high.
Water gets into the fluid tank
together with the compressed
air.
Check the hydraulic fluid level
(
6.4), change the fluid in
case of too high fluid level
(
Check the air supply (
3.3).
Piston sleeves at the lifting
cylinder is leaking.
Request customer service.
Controls [2] do not return to
the initial position.
Contamination.
Clean or replace the
pneumatic control valve.
(
Air leaks at the pneumatic
control valve.
Contamination, damage, or
defective seal.
Clean or replace the
pneumatic control valve.
(
8
Shutting Down and Disposal
Drain the hydraulic fluid. (
Disassemble the lift. (
Correctly dispose of the hydraulic fluid and the lift.
Summary of Contents for Junior Jack 0
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