Cequent Performance Products TOUGH & TRUSTED BULLDOG DCH Serie Manuel D'instructions page 18

Symptom
Hoist will not operate
Damaged motor or worn carbon brushes
Motor runs in one
direction
Hoist won't lift rated Considerable voltage drop exceeds by
load
No brake
Brake distance is
too long
Damaged gear box
Motor runs
extremely hot
Hoist vibrates badly
or is noisy
18
CEQUENT
Troubleshooting
Table 7 - Troubleshooting
Possible Cause
Cut circuit
Weak battery
Damaged circuit breaker
Bad connection of wiring
Damaged contactor
Cut circuit on switch
Broken wiring or bad connections
Damaged or stuck contactor
Switch inoperative
Bad wiring connection
10% of the rated voltage of 12V DC.
Damaged brake cam and disc
Damaged gear box
Oil leakage at brake
Damaged or inoperative spiral spring
Damaged or stuck solenoid
Worn or damaged brake
Oil leakage at brake
Damaged or stuck solenoid
Hit by certain exterior force
Damaged gear train
Over load operation
Long period of operation
Damaged motor
Damaged or inoperative brake
Damaged brake
Mounting surface is not flat
Tie bar is bent
Crack on the motor and gearbox
support racks
PERFORMANCE PRODUCTS, INC. •
™
Remedy
Check battery lead
Recharge or replace battery, 650CCA
Replace circuit breaker
Reconnect tightly
Replace contactor
Replace switch
Replace motor or carbon brush
Reconnect or replace wiring
Replace contactor
Replace switch
Inspect and replace as neccessary
Correct leads size
Replace battery
Clean and tighten the wiring
Replace brake cam and disc
Replace gear box
Clean oil leakage
Replace and position spiral spring
Replace solenoid
Replace or adjust brake
Clean oil leakage
Replace solenoid
Replace the damaged components
Replace the damaged components
Replace the hoist
Allow to cool
Replace or repair motor
Replace or repair brake
Replace or repair brake
Make sure mounting surface is flat
Replace tie bar
Replace racks
F3839-00 REV C (4782) 08/15