Meec tools 011853 Mode D'emploi page 21

TROUBLESHOOTING
Problem
The jack does not reach
its full height.
The load lowers down.
The lifting arm does not lower.
Imprecise movement
when lifting.
Possible cause
Low level of oil in the jack.
Air in the hydraulic system.
The relief valve does not close
properly.
The oil is contaminated.
The pump valves are leaking
The piston is jammed.
Air in the hydraulic system.
The piston is jammed.
Worn parts.
Internal damage to the jack.
The return spring has broken,
or come loose.
The lift linkage is damaged or
jammed.
Air in the hydraulic system.
Air in the hydraulic system.
Action
Check the oil level.
Bleed in accordance with
the instructions.
Contact an authorised service
centre.
Bleed in accordance with
the instructions.
Contact an authorised
service centre.
Bleed in accordance with
the instructions.
Bleed in accordance with
the instructions.
EN
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