10
TROUBLESHOOTING
PROBLEM
CAUSE
SOLUTION
Jack will not lift
the rated load
Low oil level
See “Changing the Oil” on page 9.
Release valve not
closed
Turn the release knob fully clockwise
Air in the hydraulic
system
Bleed the system. See page 7
Jack lower when
under load
Release valve not
fully closed
Turn the release knob fully clockwise
Air in the hydraulic
system
Bleed the system. See page 7
Pump feels
Spongy
Low oil level
See “Changing the Oil” on page 9.
Air in the hydraulic
system
Bleed the system. See page 7
Handle raises or
flies back under
load
Air in the hydraulic
system
Bleed the system. See page 7
Jack will not lift
full height
Low oil level
See “Changing the Oil” on page 9.
Air in the hydraulic
system
Bleed the system. See page 7
Jack will not
lower completely
Return spring may
be faulty
Return to your Clarke dealer for
repair
If any of these remedies fail to restore your jack, consult your Clarke dealer
For Spare Parts and Servicing, please contact your nearest dealer, or
CLARKE International, on one of the following numbers.
PARTS & SERVICE TEL: 020 8988 7400
PARTS & SERVICE FAX: 020 8558 3622
