AAQ 167212E, Руководство по установке и инструкции по эксплуатации

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167212E
Nov. 2016
１５
TROUBLE SHOOTING
1.
Motor dose not run:
A.
Breaker or fuse blown
B.
Motor thermal overload tripped. Wait for overload to cool.
C.
Defective up button. Call electrician for checking.
D.
Faulty wiring connections. Call electrician.
2.
Motor runs but will not raise:
A.
Oil level to low. Oil level should be just under the vent cap port when the
hoist
is down!!!
B.
Check the clearance in the plunger valve of the lowering handle. There should be 1/16”.
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. Hoist
lowered too quickly while under a heavy load.
4.
Motor hums and will not run:
A. Hoist
overloaded -----remove excessive weight from
hoist
B.
Bad capacitor -----call electrician/service engineer
C.
Low voltage -----call electrician
D.
Faulty wiring -----call electrician
5. Hoist
jerks going up and down:
A.
Air in hydraulic system------Raise
hoist
all the way to top and return to floor. Repeat 4-6 times
with interval at least 2 minutes. 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 as a ‘dipstick’.
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. Hoist
makes excessive noise.
A.
Rub block on carriage of the
hoist
is dry and requires grease.