Rotary SM40 User Manual

9
Trouble
Cause
Remedy
1. Supply correct voltage to motor.
2. Repair and insulate all connections.
3. Check switch.
4. Check switch.
5. Replace motor.
1. Repair or replace lowering valve.
2. Tighten all suction line fittings.
3. Replace suction tube.
1. Supply correct voltage to motor.
2. Clean lowering valve.
3. Adjust relief valve.
1. Clean check valve.
2. Clean lowering valve.
3. Repair external leaks.
1. Change fluid to Dexron III ATF or
equivalent.
2. Tighten all suction line fittings.
3. Reinstall fluid return tube.
1. Adjust equalizer cables to correct
tension.
2. Shim lift to level columns (Not to
exceed 12.7 mm). If over 12.7mm.
Break out floor and level per lift
installation instructions.
1. Relocate lift using a new bit to drill
holes.
2. Break out old concrete and repour
new pads for lift per lift installation
instruction.
Check fluid level and bleed both
cylinders per lift installation
instructions.
1. Check air pressure. Air supply
should be 6.2 - 8.3 bar. Check air
lines for leaks or crimps.
2. Check latches.
1. Incorrect voltage to motor.
2. Bad wiring connections.
3. Motor up switch fault.
4. Overhead limit switch fault.
5. Motor windings burned out.
1. Open lowering valve.
2. Pump sucking air.
3. Suction tube off pump.
1. Motor running on low voltage.
2. Debris in lowering valve.
3. Improper relief valve
adjustment.
1. Debris in check valve seat.
2. Debris in lowering valve seat.
3. External fluid leaks.
1. Air mixed with fluid.
2. Air mixed with fluid suction.
3. Fluid return tube loose.
1. Equalizer cables out of adjust-
ment.
2. Lift installed on unlevel floor.
1. Holes drilled oversize.
2. Concrete floor thickness or holding
strength not sufficient.
Fluid level may be low.
1. Insufficent air supply to lift.
2. Latches out of adjustment.
Motor does not run.
Motor runs but will not raise lift.
Motor runs—raises unloaded lift
but will not raise vehicle.
Lift slowly settles down.
Slow lifting speed or fluid blowing
out filler breather cap.
Lift going up unlevel.
Anchors will not stay tight.
If Lift stops short of full rise or
chatters.
Lift will not lower.
TROUBLE SHOOTING
(FOR AUTHORIZED MAINTENANCE PERSONNEL)

Rotary SM40 Specifications

General

Brand	Rotary
Model	SM40
Category	Lifting Systems
Language	English