6
RAJ-7K-H & RAJ-7K-L
Jun 2022
TROUBLE SHOOTING
Rolling Jack will
not raise after
contacting load
1. Jack loaded beyond capacity. 1. Use Jack only to rated capacity.
2. External fluid leak at pump,
hose, or cylinder.
2. Repair leak, refill reservoir.*
3. Internal leakage. 3. Have pump serviced by an
authorized service center.
4. Release mechanism damaged
or parts missing.
4. Replace damaged or missing
parts.
5. Pump low on fluid. 5. Lower Jack
Fill with AW32 hydraulic fluid.
Locate and correct leak.*
6. Pump malfunctioning. 6. Have pump serviced by an
authorized service center.
Rolling Jack will
not raise to full
height.
1. Pump low on fluid. 1. Lower Jack
Fill with AW32 hydraulic fluid.
Locate and correct leak.*
Jack drifts down
- will not hold.
1.Release mechanism damaged
or parts missing
1. Replace damaged or missing
parts.
2. External leakage.
2. Locate leak and repair. Refill
reservoir.*
3. Internal leakage.
3. Have pump serviced by an
authorized service center.
Jack lowers slow
or not at all.
1. Release mechanism damaged
or parts missing.
1. Replace damaged or missing
parts.
2. Return flow of fluid restricted or
blocked.
2. Eliminate blockage.
Do not overfill reservoir. Jack must be completely lowered prior to adding
hydraulic fluid.
If rolling jack is in the raised position, be sure to activate the mechanical locking
device prior to attempting to service the unit. Failure to do so may cause jack to
drop out of control.