Troubleshooting guide – Craftsman 137.21239 User Manual
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TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE - SAW OPERATION
PROBLEM
PROBLEM CAUSE
SUGGESTED CORRECTIVE
ACTION
Blade hits
table.
1. Misalignment.
1. See ADJUSTMENT - Setting
Cutting Depth section.
Angle of cut
not accurate.
Can not
adjust miter.
1. Miter table unlocked.
2. Sawdust under table.
1. See OPERATION - Miter Angle
Adjustment section.
2. Vacuum or blow out dust. WEAR
EYE PROTECTION.
Cutting arm
wobbles.
1. Loose pivot points.
1. Contact Sears Service Center.
Cutting arm
will not fully
raise, or
blade guard
won’t fully
close.
1. Pivot spring not replaced
properly after service.
2. Sawdust build-up.
1. Contact Sears Service Center.
2. Clean and lubricate moving parts.
Blade binds,
jams, burns
wood.
1. Improper operation.
2. Dull or warped blade.
3. Improper blade size.
4 Wood is moving during cut.
1. See BASIC SAW OPERATION
section.
2. Replace or sharpen blade.
3. Replace with 12 in. diameter
blade.
4. Use hold down clamp to secure
workpiece to table.
Saw vibrates
or shakes.
1. Saw blade not round /
damaged / loose.
2. Arbor bolt loose.
1. Replace blade.
2. Tighten arbor bolt.