INSPECTION
• Visual inspection shall be made before each use of the device by checking for abnormal conditions,
such as cracked welds, leaks, and damaged, loose, or missing parts.
• This device shall be inspected immediately if the device is believed to have been subjected to an
abnormal load or shock.
• Periodically clean and lubricate all moving parts and pivot points.
• With the jack in the fully lowered position, unlock release valve, remove oil filler plug.
• Pump the handle rapidly several mins. Reinstall oil filler plug.
• Turn the handle/release valve clockwise to the closed position.
• Pump the handle until the arm reaches maximum height and continue to pump several mins. to remove
trapped air in the system.
• Turn the handle/release valve counterclockwise in one full turn and lower 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.
LUBRICATION AND CLEANING
AIR VENTING PROCEDURES
Problems
Causes
Solutions
Jack will not lift the load.
Jack will not hold the load.
Jack will not descend to
minimum height, or will
not remain in lowered
position.
Jack will not lift to max
height.
Jack will not function
properly after trying solution.
1. Release valve not tightly closed.
2. Low oil level.
3. Defective or worn internal parts.
4. Load exceeds maximum allowance.
1. Release valve not tightly closed.
2. Power unit malfunction.
1. Air trapped in system.
2. Reservoir oil overfilled.
1. Low oil level.
1. Internal malfunction or
structural damage.
1. Tighten release valve.
2. Check and add oil.
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. Check and ensure proper oil level.
2. Vent air out of system. Follow “AIR
VENTING PROCEDURES” instructions.
1. Check and ensure proper oil level.
2. Follow “MAINTENANCE” instructions.
1. Discontinue use and contact a local repair
center.
TROUBLESHOOTING
