Clarke 7621045, Operation & Maintenance Instructions Manual

8

MAINTENANCE

1. When the jack is not in use, keep the ram completely retracted and the 

release valve closed.

2. Keep the jack clean and apply lubricating oil to all pivoting sections every 

three months, or more often when it is used in a dusty work environment.

3. Frequently check oil level. For procedure See “Before use” on page 5.

4. Check the pump piston and piston rod periodically for signs of rust or 

corrosion. Clean exposed area with clean oiled cloth.

5. Change the oil once a year, see below.

STORAGE

Store in a dry place, with the ram fully retracted. If stored for long periods, 
inspect at least once a year, clean and re-oil. For servicing, contact your 
CLARKE dealer, or CLARKE International Service Department.

CHANGING THE OIL

1. Lower the saddle as far as possible.

2. Lift off the cover as shown.

3. Remove the oil filler plug.

4. Lay the jack on its side to drain the 

oil into a suitable container.

5. Dispose of the oil in accordence 

with local regulations.

6.

Fill with Clarke hydraulic oil 
available from your local dealer. 

7. Replace the air vent plug.