37
LIFT WILL NOT RAISE
POSSIBLE CAUSE
1. Air in oil, (1,2,8,13)
2. Cylinder binding, (9)
3. Cylinder leaks internally, (9)
4. Motor run backward under pressure, (11)
5. Lowering valve leaks, (3,4,6,10,11)
6. Motor runs backwards, (7,14,11)
7. Pump damaged, (10,11)
8. Pump won’t prime, (1,8,13,14,3,12,10,11)
9. Relief valve leaks, (10,11)
10. Voltage to motor incorrect, (7,14,11)
REMEDY
INSTRUCTION
1. Check for proper oil level
The oil level should be up to the bleed screw in the
reservoir
with
the
lift
all
the
way
down.
2. Bleed cylinders
See Installation Manual
3. Flush- Release valve to get rid of
Hold release handle down and start unit allowing it
possible contamination.
to run for 15 seconds.
4. Dirty oil
Replace oil with clean Dexron ATF
5. Tighten all fasteners
Tighten fasteners to recommended torques.
6. Check for free movement of release
If handle does not move freely, replace bracket or
handle
assembly.
7. Check motor is wired correctly.
Compare wiring of motor to electrical diagram on
drawing.
8. Oil seal damaged or cocked
Replace oil seal around pump shaft.
9. See Installation Manual
Consult Lift Manufacturer
10. Replace with new part
Replace with new part
11. Return unit for repair
Return unit for repair
12. Check pump-mounting bolts
Bolts should be 15 to 18 ft. lbs.
13. Inlet screen clogged
Clean inlet screen or replace
14. Check wall outlet voltages and wiring
Make sure unit and wall outlet are wired properly.
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