10
TROUBLESHOOTING
Troubleshooting
Description
RJ Pump Will Not Start
RJ Pump Starts But Stalls Under Load
RJ Pump Runs But Will Not Lift Load
RJ Pump Runs But Not To Full Rise
RJ Drifts Down - Will Not Hold
Possible
Cause
1. Insufficient air supply at pump
2. Leak in air supply line
3. Plugged air filter
4. Bad air motor
1. Insufficient air supply at pump
2. Leak in air supply line
3. Plugged air filter
4. Bad air motor
1. Lift loaded beyond capacity
2. External Oil Leaks
3. Internal leakage.
4. Release mechanism damaged or parts
missing
.
5. Wrong pump installed on lift.
6. Pump low on fluid
7. Fluid blowing out rear cover of air motor
8. Pump malfunctioning
1. Pump malfunctioning
1. Release mechanism damaged or parts
missing.
2. External leakage
Remedy
1. Pump requires 100-120psi at
20cfm.
2. Locate and correct leakage.
3. Remove and install a new filter.
4. Repair or replace air motor.
1. Pump requires 100-120psi at
20cfm.
2. Locate and correct leakage.
3. Remove and install a new filter.
4. Repair or replace air motor.
1. Use lift only to rated capacity.
2. Repair leak, refill reservoir.
CAUTION Do Not overfill reservoir.
Lift must be completely lowered.
3. Have pump serviced by an autho-
rized service center.
4. Replace damaged or missing parts.
5. Verify pressure rating of pumps
meets pressure requirements of lift.
6. Lower lift and check fluid comply-
ing with MIL-H-5606. Locate and
correct leak. CAUTION: DO NOT
OVERFILL RESERVOIR. Lift must be
completely lowered.
7. Pump piston seal leaking, have
pump serviced by an authorized
service center.
8. Have pump serviced by an autho-
rized service center.
1. Have pump serviced by an autho-
rized service center.
1. Replace damaged or missing parts.
2. Locate leak and repair. Refill
reservoir. CAUTION: DO NOT OVER-
FILL RESERVOIR. Lift MUST be
completely lowered.