Installation Guide

22
TROUBLESHOOTING GUIDE
1. Air in oil, (1,2,6,10)
2. Cylinder / lift head binding, (7)
3. Cylinder leaks internally, (7)
4. Motor runs backward under pressure, (9)
5. Lowering valve leaks, (3,4,8,9)
6. Motor runs backwards, (5,11,9)
7. Pump damaged, (8,9)
8. Pump won’t prime, (1,6,10,11,3,8,9)
9. Relief valve leaks, (8,9)
10. Voltage to motor incorrect, (7,14)
REMEDY INSTRUCTIONS
1. Check for proper oil level. The oil level should be up to the ll cap in the reservoir with the lift all the way down.
2. Bleed cylinders.
3. Flush lowering valve, hold lowering handle down and start unit for 15 seconds allowing possible contamination to
break up.
4. Dirty oil, replace oil with clean hydraulic oil (AW-32 or Dexron III or VI ATF).
5. Check motor is wired correctly. Compare wiring of motor to electrical diagram on drawing.
6. Oil seal is damaged or cocked. Replace oil seal around pump shaft.
7. Consult lift manufacturer.
8. Replace with new part.
9. Return unit for repair.
10. Inlet screen clogged. Clean inlet screen or replace.
11. Check wall outlet voltages and wiring. Make sure unit and wall outlet are wired correctly.
BE SAFE: DO NOT OPERATE OR REPAIR EQUIPMENT WITHOUT READING THIS MANUAL AND
THE IMPORTANT SAFETY INSTRUCTIONS. KEEP THIS OPERATION MANUAL NEAR THE LIFT AT
ALL TIMES. MAKE SURE THAT ALL USERS READ AND UNDERSTAND THIS MANUAL.
LIFT WILL NOT RAISE (BUT MOTOR RUNS)
POSSIBLE CAUSE