Triangle Engineering of Arkansas TPC 4815 - Manual (Page 3)

MAINTENANCE
TROUBLESHOOTING
SYMPTOM
Fan does not operate
POSSIBLE CAUSE(S)
1. Faulty switch
2. Defective motor
3. No power
CORRECTIVE ACTION
1. Replace switch
2. Replace motor
3. Check to see if power cord
is plugged in. Check fuse
or circuit breaker.
Insufficient air flow 1. Loose pulleys or fan blade
2. Intake guard or exhaust
guard excessively dirty
1.Tighten pulley set screw
2. Clean guards
Squealing, slapping or whining
noises while operating 1. Defective motor bearings
2. Defective fan bearings
3. Worn belt 1. Replace motor
2. Replace bearings and seals
3. Replace belt
NOTE: Upon completion of maintenance,
reinstall components in reverse order as
indicated above.
WHEN ORDERING REPAIR PARTS
always give the following information:
1. Part description
2. Model Number of fan
3. Serial number
MINOR AND ROUTINE
1. Motor bearings are pre-lubricated ball
bearings. Re-lubrication is not required.
2.Keep guards and blade clean by vacu-
uming or wiping periodically. Also keep
motor from accumulating excessive
dust that may cause overheating.
DISASSEMBLY PROCEDURE
1. Disconnect cord from power supply.
2. Remove guard screws.
3. Remove Guard.
WARNING: Disconnect power before servicing