１４
TROUBLE SHOOTING
1. Motor dose not run:
A.
Breaker or fuse blown
B.
Faulty wiring connections. Call electrician.
C.
Motor thermal overload tripped. Wait for overload to cool.
D.
Defective up button. Call electrician for checking.
E.
Defective Capacitor. Call electrician for checking.
2. Motor runs but will not raise:
A. Oil level to low. Oil level should be just under the vent cap port when the lift is down!!!
B. Check the clearance in the plunger valve of the lowering handle.
C. Remove the check valve cover and clean ball and seat.
D. A piece of trash is under check valve. Push handle down and push the up button at the same
time. Hold for 10-15 seconds. This should flush the system.
3. Oil blows out breather of power unit:
A. Oil
reservoir
overfilled.
B.
Lift lowered too quickly while under a heavy load.
4. Motor hums and will not run:
A. Lift overloaded--- remove excessive weight from lift
B. Bad capacitor------call electrician
C. Low voltage------call electrician
D. Faulty wiring------call electrician
5. Lift jerks going up and down:
A. Air in hydraulic system------Raise lift all the way to top and return to floor. Repeat 4-6 times with
interval at least 2 min. Not let this overheat power unit.
6. Oil
leaks
A. Power unit------If the power unit leaks hydraulic oil around the tank-mounting flange, check the oil
level in the tank. The level should be two inches below the flange of the tank. Check with a
screwdriver.
B. Rod end of cylinder------The rod seal of the cylinder is out. Rebuild or replace the cylinder.
C. Breather end of the cylinder------the piston seal of the cylinder is out. Rebuild or replace the
cylinder.
7. Lift makes excessive noise.
A.
Carriage of the lift is dry and requires grease.
B.
Cylinder pulley assembly or cable pulley assembly is not moving freely. Check and grease it.
C.
May have excessive wear on pins or cylinder yoke. Check and replace them.
Summary of Contents for 165915LK
Page 16: ...PARTS DRAWING Fig A 1...
Page 17: ...Cable routing Fig A 2...
