Model G0897 (Mfd. Since 6/19)
-27-
Operation
Symptom
Possible Cause
Possible Solution
Machine vibrates
excessively (non-
motor related).
1. Stand not stable on floor.
2. Broken/defective grinding belt.
1. Relocate/shim machine.
2. Replace grinding belt (
Page 20).
Grains easily rub off
belt.
1. Belt has been stored in damp environment.
2. Belt has been smashed or folded.
3. Replacement belt is too old.
1. Replace damaged belt (
Page 20). Store belt in a
cool, dry area.
2. Replace damaged belt (
Page 20). Do not bend or
fold belt.
3. Use new belt.
Belt tracks to one
side under load.
1. Belt tracking not set correctly.
1. Ensure belt tracking is set correctly (
Page 21).
Deep sanding
grooves or
scratches in
workpiece.
1. Excessive pressure while grinding.
2. Workpiece held still for too long against
belt.
3. Belt too coarse.
4. Platen worn.
1. Reduce feed workpiece pressure.
2. Keep workpiece moving while grinding.
3. Use finer grit belt (
Page 19).
4. Replace platen.
Snake-shaped
marks on
workpiece.
1. Belt loaded up.
2. Belt damaged.
3. Platen worn.
1. Clean belt (
Page 23).
2. Replace belt (
Page 20).
3. Replace platen.
Belt clogs quickly.
1. Excessive pressure while grinding.
2. Belt worn or damaged.
3. Workpiece material is prone to belt-
clogging, such as soft aluminum.
1. Clean belt (
Page 23), and then reduce workpiece
pressure.
2. Replace belt (
Page 20).
3. Reduce feed pressure. Use coarser-grit belt (
Page
19).
Workpiece
frequently gets
pulled out of hand
when sanding.
1. Workpiece not supported sufficiently against
sander.
2. Leading edge or sharp edges grabbing into
paper.
1. Use work rest, work stop, or push block to support
workpiece.
2. Change angle or orientation of workpiece so
workpiece is not digging into oncoming direction of
belt.
Summary of Contents for G0897
Page 36: ......
