TROUBLESHOOTING YOUR SUPERMAX TOOLS DRUM SANDER
Any operating problems with the drum sander will likely occur most often during the period that you are beco-
ming familiar with its components and their adjustments. If you are experiencing a problem affecting the ma
-
chine’s performance, check the following listings for potential causes and solutions; it may also pay to review the
previous sections in this manual on setting up and operating your machine.
TROUBLESHOOTING GUIDE: MOTORS
PROBLEM
POSSIBLE CAUSE
SOLUTION
MOTOR DOES NOT START
Main power cord unplugged
from receptacle
Plug in primary power cord
Drum motor cord unplugged
from receptacle near power-
feed motor.
Plug in drum motor cord at
receptacle on machine if so
equipped (Fig 5)
Circuit fuse blown or circuit
breaker tripped
Replace fuse or retrip breaker
(after determining cause)
BRUSH MOTOR OVERLOADS
Inadequate circuit
Check electrical requirements
Machine overloaded
Use slower feed rate; reduce
depth of cut
CONVEYOR MOTOR
OSCILLATES
Motor not properly aligned
Loosen housing bolts, run
motor, retighten bolts.
Shaft collar or bushing worn
Replace shaft collar or
bushing
Drive roller bent
Replace drive roller
DRUM MOTOR OR
CONVEYOR GEAR MOTOR
STALLS
Excessive depth of cut
Reduce depth of cut; reduce
feed rate
TROUBLESHOOTING GUIDE: CONVEYOR
PROBLEM
POSSIBLE CAUSE
SOLUTION
CONVEYOR DRIVE ROLLERS
RUN INTERMITTENTLY
Shaft coupling loose
Align shaft flats of gear
motor and drive roller;
tighten shaft coupling set
screws
CONVEYOR BELT SLIPS ON
DRIVE ROLLER
Improper conveyor belt
tension
Adjust belt tension
Excessive depth of cut
Reduce depth of cut re-
duce feed rate
20
