JS647530
5
INSPECTION,
STORAGE &
TROUBLE-
SHOOTING
LUBRICATION AND CLEANING
• Periodically clean and lubricate all moving parts and pivot points.
AIR VENTING PROCEDURES
• With the jack in the fully lowered position, release valve open, remove oil filler plug.
• Pump the handle rapidly several times. Reinstall oil filler plug.
• Turn the handle/release valve clockwise to the closed position.
• Pump the handle until the lift arm reaches maximum height and continue to pump
several times to remove trapped air in the system.
• Turn the handle/release valve counter-clockwise in one full turn and lower lift arm
to the lowest position. Use force on saddle if necessary.
• Carefully and slowly loosen oil filler plug to release pressurized air.
•
Repeat above steps until trapped air is completely vented.
ATTACHMENTS AND ADAPTERS
Only attachments and/or adapters supplied by the manufacturer shall be used.
• This jack should be stored in a dry location on a level surface.
STORAGE
TROUBLESHOOTING
Symptom
Jack will not lift
the load.
Jack will not hold the
load.
Jack will not lift to
max height.
Jack will not function
properly
after tried solution.
Jack will not descend
to minimum height, or
will not remain in
lowered position.
1. Release valve not
tightly closed.
2. Low oil level.
3. Defective or worn
internal parts.
4. Load exceeds
maximum allowance.
1. Tighten release valve.
2. Check and add oil.
Follow “Check and
Refill Oil” instructions
on page 3-4.
3. Discontinue use and
contact a local
repair center.
4. Use a higher
capacity jack.
1. Tighten release valve.
2. Discontinue use
and contact a local
repair center.
1. Vent air out of
system. Follow
“Air Venting
Procedures” above.
2. Check and ensure
proper oil level.
Follow “Check and
Refill Oil” instructions
on pgs 3-4.
Possible Causes
Solution
1. Internal malfunction or
structural damage.
1. Release valve not
tightly closed.
2. Power unit malfunction
1. Air trapped in system.
2. Reservoir oil overfilled.
1. Low oil level.
1. Check and ensure
proper oil level.
Follow “Check
and Refill Oil”
instructions above.
1. Stop usage and
contact an autorized
repair center.
• Do not overfill. Always fill with new, clean hydraulic jack oil as recommended above.
• Reinstall oil filler plug, then reinstall unit cover.
