SuperMax 19-38, Owner'S Manual, Page: 20 / 32

20
19-38 DRUM SANDER OWNER’S MANUAL Troubleshooting
PROBLEM
Conveyor belt slips on drive roller.
POSSIBLE CAUSE
1. Improper conveyor belt tension.
2. Excessive depth of cut.
SOLUTION
Adjust belt tension.
Reduce depth of cut.
Reduce feed rate.
PROBLEM
Stock slips on conveyor belt.
POSSIBLE CAUSE
1. Excessive depth of cut.
2. Tension rollers too high.
3. Excessive feed rate.
4. Dirty or worn conveyor belt.
SOLUTION
Reduce depth of cut.
Lower tension rollers.
Reduce feed rate.
Clean or replace conveyor belt.
PROBLEM
Conveyor belt tracks to one side, or oscillates from
side to side.
POSSIBLE CAUSE
1. Belt out of adjustment.
2. Drive or driven conveyor belt rollers misaligned.
3. Conveyor table not flat and square.
4. Conveyor belt worn.
5. Drive roller worn or damaged.
SOLUTION
Readjust belt
Readjust by leveling machine
Replace conveyor belt
Replace abrasives.
PROBLEM
Drum height adjustment works improperly.
POSSIBLE CAUSE
1. Improper adjustment of height control.
2. Bearing worn.
3. Sawdust dirt or debris in threads of height ad-
justment rods.
SOLUTION
Readjust height control
Replace bearing
Clean and oil threads
PROBLEM
Knocking sound while running.
POSSIBLE CAUSE
1. Wear on the drum bearings.
SOLUTION
Replace bearings.
Contact dealer.