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SKU 98198 For technical questions, please call 1-800-444-3353. Page 21
Troubleshooting
Problem Possible Causes Likely Solutions
Machine has
vibration or noisy
operation.
Motor or component is loose. 1.
V-belts are worn or loose.2.
Motor fan is rubbing on fan 3.
cover.
Pulley is loose. 4.
Machine is incorrectly mounted 5.
Cast-iron motor mount is at fault. 6.
Motor bearings are at fault.7.
1.
Inspect belts, replace and re-tension. 2.
3.
Remove pulley, replace shaft, pulley, set-4.
screw and key as required and realign.
5.
relocate as soon as required.
Using leverage and a small pry bar to inspect, 6.
Check bearings, replace motor or bearings as 7.
required.
Sanding Operations
Problem Possible Causes Likely Solutions
Vibration when
sanding
1.
Worn drum bearings (215)2.
Tighten drum bearings.1.
Replace drum bearings. 2.
Grinding,
screeching, or
rubbing noise
when sanding
drum is
powered up.
1.
Drum bushings (206) are worn 2.
and need replacing.
Oil the drum bearings.1.
Replace the drum bushings. 2.
Short V-belt
lifespan
Pulleys not aligned correctly.1.
Improperly tensioned.2.
Align pulleys to be on same plane.1.
Properly tension V-belts. 2.
Machine lacks
power; drum
stops turning
under load.
V-belts are loose.1.
Too much pressure on pressure 2.
plate (84).
Tighten V-belts1.
Raise the pressure plates. 2.
Feed belt slips
under load.
Feed belt is too loose.1.
Too much load.2.
Tension the V-belts.1.
Decrease the load.2.
Feed belt tracks
to one side and
hits the feed table
mounts.
Feed belt tracking is incorrect. 1. Adjust feed belt tracking. 1.
Excessive snipe.
1.
Too much pressure from 2.
Pressure Plate (84).
Too much pressure from the rear 3.
of pressure plate (84).
Set up an outfeed table or have someone 1.
stand along open side of sander and retrieve
the workpiece as it comes out.
2.
3.
Workpiece kicks
out of sander.
Not enough pressure from the 1.
pressure plate (84).
Raise the Pressure Plate.1.
Cont.