Powermatic 1632 - Manual (Page 12)

TROUBLE-SHOOTING for 1632 Open-End Sander
PROBLEM POSSIBLE CAUSE SOLUTION
The sanding belt clogs
1. Sandpaper grit too small. 1. Use larger grit.
quickly. 2. Too much material is being sanded off. 2. Reduce sanding depth.
3. The wood is too dirty or oily. 3. Use dry stock.
4. Suction is insufficient. 4. Increase suction.
Edges round when sanding.
1. Too much material being removed. 1. Reduce sanding depth.
The thickness differs on left
1. Conveyor table is not parallel to the 1. Adjust table to parallel.
and right sides of workpiece. contact roller or platen.
2. Worn out felt and graphite on platen head. 2. Replace felt/graphite.
The thickness differs on front
1. Feed speed too fast. 1. Reduce speed.
and back sides of workpiece. 2. Too much material is being removed. 2. Reduce sanding depth.
3. Sandpaper grit too fine. 3. Use coarser grit.
4. Pressure plate not level. 4. Adjust plate to level.
Workpiece slips on conveyor
1. Too much or too little pressure from 1. Adjust to proper pressure.
belt. pressure plate.
2. Sanding belt clogged with dust. 2. Blow out dust with high-pressure
air.
3. Belt worn out. 3. Replace belt.
Straight notch grooves on
1. Dirty pressure roller. 1. Clean pressure roller.
workpiece. 2. Rubber roller scratched. 2. Replace rubber roller.
3. Worn out lining and graphite on platen 3. Replace lining/graphite
head.
Snake marks on workpiece.
1. Sanding belt partially damaged. 1. Repair or replace sanding belt.
2. Sanding grit loose. 2. Replace sanding belt.
Belt slips out of track.
1. Tracking air valve is clogged or not 1. Clean/enlarge valve opening.
open enough.
Straight parallel stripes
1. Sanding belt joint is too thick. 1. Replace sanding belt.
across the workpiece. 2. Sanding belt is worn. 2. Replace sanding belt.
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-274-
6848 between 7:30 a.m. and 6:00 p.m. (CST), Monday through Friday. Having the Model Number and Serial
Number of your machine available when you call will allow us to serve you quickly and accurately.