CLAS OH 6020 Mode D'emploi page 8

OH 6020
System air purge
1 - Turn release valve counter clock wise one full turn to open.
2 - Pump handle eight full strokes.
3 - Turn release valve clock wise to close valve.
Problem
Jack will not lift to full height
Jack will not hold load
Le bras de levage ne s'abaisse pas Parts worn
Jacks feel spongy when lifting
EXTRA LOW PROFILE SERVICE GARAGE JACK 2T 76mm
TROUBLES
Cause
Low oil level
Release valve not closing
Oil contaminated
Pump valves not sealing
Internal damage
Broken return spring or unhooked
See system air purge section
Solution
Check oil level
Call your reseller
Call your reseller
See system air purge section