Installation Guide

24
WILL NOT RAISE ONLY UNDER LOADED CONDITION
POSSIBLE CAUSE
REMEDY INSTRUCTIONS
1. Air in oil, (4,1,2,3)
2. Cylinder / lift head binding, (5)
3. Cylinder leaks internally, (5)
4. Lift overloaded, (6,5)
5. Lowering valve leaks, (7,1,8,5,9)
6. Motor runs backwards, (10,12,9)
7. Pump damaged, (5,9)
8. Pump won’t prime, (1,2,3,4,11,5,9)
9. Relief valve leaks, (8,5,9)
10. Voltage to motor incorrect, (10,12,5)
1. Check oil level. The oil level should be in the proper range on the dipstick with the lift all the way down.
2. Check / tighten inlet ttings and hose connections.
3. Oil seal is damaged or cocked. Replace oil seal around pump shaft.
4. Bleed cylinders.
5. Consult lift manufacturer.
6. Check vehicle weight. Compare weight of vehicle to weight limit of the lift.
7. Flush lowering valve. Hold lowering handle down and start unit allowing it to run for 15 seconds.
8. Replace with new part.
9. Return unit for repair.
10. Check if motor is wired correctly. Compare wiring of motor to electrical diagram on power unit drawing.
11. Inlet screen clogged. Clean inlet screen or replace.
12. Check wall outlet voltage and wiring. Make sure unit and wall outlet is wired properly.
LOAD IS UNEVEN
POSSIBLE CAUSE
1. Air in oil (3,1,2)
2. Cylinder / lift head binding (4)
3. Cylinder leaks internally (4)
4. Vehicle is not centered properly or level (5)
5. Flow divider is faulty (4)
REMEDY INSTRUCTIONS
1. Check oil level. The oil level should be up to the ll cap in the reservoir with the lift all the way down.
2. Check / tighten inlet ttings and hose connections.
3. Bleed cylinders.
4. Consult lift manufacturer.
5. Make sure the vehicle is centered between columns. Ensure the swing arms are positioned with the center of gravity
midway between pads. Position lift contact pads at manufacturer’s recommended lifting points.