JBM 53112, Instruction Manual, Page: 10 / 56

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REF. 53112
EN
INSPECTION, STORAGE & TROUBLESHOOTING
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.
Other inspections shall be made per product operating instructions.
This device shall be inspected immediately if the device is believed to have been
subjected to an abnormal load or shock. It is recommended that this inspection be made
by a manufacturer’s or supplier’s authorized repair facility.
Owners and/or operators should be aware that repair of this equipment may require
specialized knowledge and facilities. It is recommended that an annual inspection of the
product be made by a manufacturer’s or supplier’s authorized repair facility and that
any defective parts, decals, or safety labels or signs be replaced with manufacturer’s or
supplier’s specified parts.
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This Jack should be stored in a dry location on a level surface.
Storage
Troubleshooting
Symptom Possible Causes Solution
Jack will not lift the load. 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 (Pg.4)
3. Discontinue use and contact a local
repair center.
4. Use a higher capacity jack.
Jack will not hold the load. 1. Release valve not tightly closed.
2. Power unit malfunction.
1. Tighten release valve.
2. Discontinue use and contact a local
repair center.
Jack will not descend to
minimum height, or will not
remain in lowered position.
1. Air trapped in system.
2. Reservoir oil overfilled.
1. Vent air out of system. Follow “Air
Venting Procedures” above.
2. Check and ensure proper oil level.
Follow “Check and Refill Oil” instruction
on (Pg.4)
Jack will not lift to max
height.
1. Low oil level. 1. Check and ensure proper oil level.
Follow “Check and Refill Oil” instructions
above.
Jack will not function properly after tried
solution.
1. Internal malfunction or
structural damage.
1. Stop usage and contact an
authorized repair center.