7
TROUBLESHOOTING
DECLARATION OF CONFORMITY
PROBLEM
CAUSE
SOLUTION
Jack will not lift
the rated load
Low oil level
See ‘Checking the Oil Level‘on p 6
Valve not closed
Turn the release knob fully clockwise
Air in the system
Purge the system as on p 5
Jack lower when
under load
Release valve not fully
closed
Turn the release knob fully clockwise
Air in the system
Purge the system as on p 5
Pump feels
Spongy
Low oil level
See ‘Checking the Oil Level‘on p 6
Air in the system
Purge the system as on page 5
Jack will not lift
full height
Low oil level
See ‘Checking the Oil Level‘on p 6
Air in the system
Purge the system as on p 5
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
Summary of Contents for 7621820
Page 8: ...8 COMPONENT PARTS GENERAL ASSEMBLY...
Page 11: ...11 COMPONENT PARTS HYDRAULIC PARTS...
Page 12: ......
