Troubleshooting - MARTINS Industries MFJ-2T Manual

TROUBLESHOOTING

PROBLEMS
Floor Jack will not lift load
Floor Jack not lifting to full extension
Floor Jack not lowering completely
POSSIBLE CAUSES
Released valve not tightly closed
Air trapped in the hydraulic system
Load is too heavy
Not enough hydraulic jack oil
Air trapped in the hydraulic system
Too much hydraulic jack oil
SOLUTIONS
Ensure released valve is closed
by turning the lifting arm clockwise
Refer to BLEEDING AIR procedure
Consider higher capacity floor jack
Refer to ADDING OIL procedure
Refer to BLEEDING AIR procedure
Refer to REPLACING/CHANGING OIL
procedure