Grizzly G0936, Owner'S Manual

Page: 31 / 52

Model G0936 (Mfd. Since 06/21)
-29-
Symptom Possible Cause Possible Solution
Deep sanding
grooves or
scores in
workpiece. 1. Not using full width of sanding belt.
2. Workpiece sanded across grain.
3. Excessive workpiece pressure against belt.
4. Sanding belt too coarse for desired finish.
5. Platen graphite pad damaged. 1. Move workpiece back and forth across sanding belt.
2. Sand workpiece with grain.
3. Reduce workpiece pressure against belt.
4. Replace with a finer grit sanding belt (
Page 19).
5. Replace graphite pad.
Snake-shaped
marks on
workpiece. 1. Sanding belt dirty/damaged. 1. Clean ( Page 24)/replace sanding belt (Page 20).
Glazed sanding
surfaces. 1. Sanding wet stock.
2. Sanding stock with high pitch/residue.
3. Sanding belt worn or filled with pitch/residue.
1. Only sand wood/ensure moisture is below 20%.
2. Use different stock or accept characteristics and
plan on frequently cleaning (
Page 24)/replacing belt
( Page 20).
3. Replace sanding belt (
Page 20).
Sanding belt
clogs quickly. 1. Sanding wet stock.
2. Not using full width of sanding belt.
3. Excessive workpiece pressure against belt.
4. Sanding belt grit too fine for desired finish.
5. Sanding softwood.
6. Worn sanding belt.
7. Poor dust collection.
1. Only sand wood/ensure moisture is below 20%.
2. Move workpiece back and forth across sanding belt.
3. Reduce workpiece pressure against belt.
4. Replace with coarser grit sanding belt (
Page 19).
5. Use different stock or accept characteristics and
plan on frequently cleaning ( Page 24)/replacing belt
( Page 20).
6. Replace sanding belt ( Page 20).
7. Unclog ducts; close gates to improve suction; redesign
dust collection system.
Poor, non-
aggressive
sanding results. 1. Sanding belt grit too fine for desired finish.
2. Sanding belt clogged/worn. 1. Replace with coarser grit sanding belt ( Page 19).
2. Clean ( Page 24)/replace sanding belt (Page 20).
Sanding belt
runs off to one
side. 1. Sanding belt not tensioned correctly.
2. Belt is worn, damaged, or misshapen.
3. Oscillation timing and speed is incorrect.
4. Tracking or oscillation limit switch at fault.
5. Oscillation motor at fault. 1. Correctly tension sanding belt ( Page 21).
2. Replace sanding belt (
Page 20).
3. Adjust oscillation timing and speed ( Page 30).
4. Replace switch.
5. Replace.
Sanding belt
slips during
use. 1. Sanding belt not tensioned correctly.
2. Excessive workpiece pressure against belt.
3. V-belt is worn. 1. Correctly tension sanding belt (
Page 21).
2. Reduce workpiece pressure against belt.
3. Replace V-belt (
Page 27).
Burn marks on
workpiece. 1. Not using full width of sanding belt.
2. Excessive workpiece pressure against belt.
3. Sanding belt grit too fine for desired finish.
4. Sanding belt clogged/worn. 1. Move workpiece back and forth across sanding belt.
2. Reduce workpiece pressure against belt.
3. Replace with coarser grit sanding belt (
Page 19).
4. Clean (
Page 24)/replace sanding belt (Page 20).
Workpiece not
sanded square
when platen tilt
is set to 90°. 1. Platen not square to table.
2. Platen angle scale needs to be calibrated. 1. Square platen to table ( Page 31).
2. Calibrate platen angle scale (
Page 33).
Platen is not at
45° when scale
reads 45°. 1. 45° stop needs adjustment.
2. Platen angle scale needs to be calibrated. 1. Adjust 45° stop ( Page 32).
2. Calibrate platen angle scale (
Page 33).
Abrasive grit
rubs off easily. 1. Sanding belt has been stored in an incorrect
environment.
2. Sanding belt has been folded or crushed.
1. Replace belt (
Page 20). Store belt in a cool, dry area.
2. Replace belt (
Page 20). Do not bend/fold belt.
Platen tilt
handwheel is
hard to rotate. 1. Platen angle leadscrew and trunnions
clogged with sawdust/need lubrication.
1. Clean and lubricate leadscrew and trunnions
(
Page 26).
Operation