Clarke 7623071, Operation & Maintenance Instructions Manual

6

MAINTENANCE

CHECKING/MAINTAINING THE OIL LEVEL

1. Ensure the jack is fully lowered by 

turning the control valve fully anti-
clockwise.

2. Remove the cover plate and the 

filler plug.

• The oil should be almost level 

with the bottom of the filler 
hole.

• Oil can be topped up using 

Clarke Hydraulic Oil (p/n 
3050830 1 litre).

3. Bleed any air from the system as described below and replace the filler 

plug and cover plate.

4. Dispose of old/spilled oil appropriately and wipe up any spillage.

BLEEDING AIR FROM THE SYSTEM

1. Use the operating lever to turn the release valve anti-clockwise, relieving 

pressure inside the jack.

2. Pump the operating lever several times to purge air from the system.

3. Turn the release valve clockwise and test the jack. If efficiency is still low, 

check the oil level as described above.

4. Wipe up any oil spillage and dispose of old/spilled oil appropriately.

STORAGE

Store in a dry place, with the ram fully retracted, where it cannot be attacked 
by the elements. If stored for long periods, inspect at least once a year, clean 
any grime from the piston area.