22
Troubleshooting
Troubleshooting guide: Motor
Problem
Possible Cause
Solution
1. Main power cord unplugged from
receptacle.
Plug in primary power cord.
2. Circuit fuse blown or circuit breaker
tripped.
Replace fuse or reset breaker.
Motors do not start.
3. Magnetic starter thermal overload
protector tripped.
Reset after allowing cool. Check
circuit and/or reduce load or
slow feed rate.
1. Inadequate circuit.
Check electrical requirements.
Drum motor overloads.
2. Machine overloaded.
Use slower feed rate and/or
reduce depth of cut.
1. Motor not properly aligned.
Loosen housing bolts, run motor
and retighten bolts.
2. Shaft collar worn.
Replace shaft collar.
Conveyor motor oscillates.
3. Drive roller bent.
Replace drive roller.
Drum motor or conveyor
gear motor stalls.
1. Excessive depth of cut.
Reduce depth of cut; reduce
feed rate.
Troubleshooting guide: Machine
1. Slack in abrasive strip on drum.
Remove slack in strip.
Abrasive strip comes off
drum.
2. Abrasive improperly installed.
Read section on abrasive
installation.
1. Strip caught on inside edge of slot
or on inboard side of drum.
Readjust strip end in slot and/or
trim abrasive edge.
Abrasive strip loose.
2. Strip not cut properly.
Recut and install abrasive strip.
1. Excessive depth of cut.
Reduce depth of cut.
2. Excessive feed rate.
Use slower feed rate.
3. Inadequate dust collection.
Increase air flow at dust ports.
4. Inadequate abrasive.
Use open-coat abrasive.
Abrasive loads up
prematurely.
5. Stock fed at 90° angle to drum.
Angle stock to avoid resin line
build-up.
Conveyor rollers run
intermittently.
1. Shaft coupling loose.
Align shaft flats of gear motor
and drive roller, and tighten shaft
coupling set screws.
1. Improper conveyor belt tension.
Adjust belt tension.
Conveyor belt slips on
drive roller.
2. Excessive depth of cut.
Reduce depth of cut; reduce
feed rate.
1. Excessive depth of cut.
Reduce depth of cut.
2. Tension rollers too high.
Lower tension rollers.
3. Excessive feed rate.
Reduce feed rate.
Board slips on conveyor
belt.
4. Dirty or worn conveyor belt.
Clean or replace conveyor belt.
1. Belt out of adjustment.
Readjust belt.
2. Drive or driven conveyor belt rollers
misaligned.
Readjust.
3. Conveyor belt worn or defective.
Replace conveyor belt.
Conveyor belt tracks to
one side, or oscillates from
side to side.
4. Roller bushings elongated due to
excessive wear.
Replace bushings.
Drum height adjustment
works improperly.
1. Improper adjustment of height
control.
Readjust height control.
Summary of Contents for 913003
Page 25: ...25 Exploded View Machine Body Assembly...
Page 29: ...29 Exploded View Drum Head Assembly...
Page 32: ...32 Exploded View Conveyor and Motor Assembly 33 1Ph...
Page 39: ...39 Notes...