10
GB
9. TROUBLESHOOTING
FAULTS CAUSES AND REMEDIES
The load cannot be raised with the trolley jack 1. The lowering screw has not been tightened.
- Tighten the screw clock-wise.
2. The level of fluid is too low.
- Add more fluid as described in the instructions.
The trolley jack cannot hold the load 3. See No. 1 and No. 2.
in raised position 4. The hydraulic system is clogged with dirt.
- First close the lowering screw and then open
the vent plug.
- Place your foot against a front wheel and pull up
the jacking arm as far it will go.
- Lower the jacking arm and try again to raise
the load.
The hydraulic system (piston) cannot be 5. See No. 1 and No. 2.
extended to its full height. 6. There is air in the hydraulic system.
- Open the vent plug and then remove the air from
the hydraulic system by pumping up and down
several times as described in the instructions.
The hydraulic system cannot be fully lowered. 7. The return spring is worn or disconnected.
- You should clean and lubricate all moving parts in
regular intervals.