7

TROUBLESHOOTING

If any of these remedies fail to restore your jack, consult your Clarke dealer.

PROBLEM

CAUSE

SOLUTION

Jack will not lift the

rated load

Low oil level

Check for leakage and top up if required.

Release valve not

closed

Turn the release knob fully clockwise

Air in the hydraulic

system

Purge the system as on page 4

Jack lowers when

under load

Release valve not fully

closed

Turn the release knob fully clockwise

Air in the hydraulic

system

Purge the system as on page 4

Pump feels Spongy Low oil level

Check for leakage and top up if required.

Air in the hydraulic

system

Purge the system as on page 4

Handle raises or

flies back under

load

Air in the hydraulic

system

Purge the system as on page 4

Jack will not lift full

height

Low oil level

Check for leakage and top up if required.

Air in the hydraulic

system

Purge the system as on page 4

Jack will not lower

completely

Return spring may be

faulty.

Return to your Clarke dealer for repair