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NOTE: The instructions below must not be carried out while the vehicle jack is In 

use.

NOTE: The vehicle jack is equipped with a safety valve (15). It has been 

configured to allow the vehicle jack to lift loads up to 2 tonnes. The safety valve 

must not be modified or adjusted in any way! 

Troubleshooting

Problem

Possible cause

Action

The jack does not reach 

 

its full height.

Low level of oil in the jack.

Check the oil level.

Air in the hydraulic system.

Bleed in accordance with 

 

the instructions.

The load lowers down.

The relief valve does not close 
properly.

Contact an authorised service 
centre.

The oil is contaminated.

The pump valves are leaking

The piston is jammed.

Air in the hydraulic system.

Bleed in accordance with 

 

the instructions.

The lifting arm does not lower.

The piston is jammed.

Contact an authorised 

 

service centre.

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.

Bleed in accordance with 

 

the instructions.

Imprecise movement 

 

when lifting.

Air in the hydraulic system.

Bleed in accordance with 

 

the instructions.

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