Craftsman 21237 Operation Manual - Page 25

Warning, Guide - sears

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[_ WARNING I To avoid injury from accidental starting, always turn switch OFF and unplug the tool before moving, replacing the blade or making adjustments. TROU BLESHOOTING GUIDE - MOTOR PROBLEM PROBLEM CAUSE SUGGESTED CORRECTIVE ACTION Brake does not stop blade within 6 seconds. Motor does not start I. Motor brushes not sealed or lightly I. Inspect/clean/replace brushes. See sticking. MAINTENANCE section. 2. Motor brake overheated from use of 2. Use a recommended blade. Let cool down. See defective or wrong size blade or rapid REMOVING OR INSTALLING THE BLADE ON/OFF cycling. section. 3, Arbor bolt loose. 3. Retighten. See REMOVING OR INSTALLING 4. Brushes cracked, damaged, etc. THE BLADE section. 5. Other. 4. Replace brushes. 5. Contact Sears Service Center. 1. Limit switch failure 1. Replace limit switch. 2. Brush worn. 2. Replace brushes. See MAINTENANCE section. 3. Fuse blown or circuit breaker tripped on 3. Verify there is electrical power at the outlet. home panel. 4. Contact Sears Service Center. 4. Other. Brush spark when switch released. 1. Brush worn. 2. Other. 1. Replace Brushes. See MAINTENANCE section. 2. Contact Sears Service Center. TROU BLESHOOTING GUIDE - SAW OPERATION PROBLEM PROBLEM CAUSE SUGGESTED CORRECTIVE ACTION Blade hits table. Angle of cut not accurate. Can not adjust miter. 1. Misalignment. 1. Miter table unlocked. 2. Sawdust under table. I. See ADJUSTMENT - Cutting Arm Travel section. I. See OPERATION - Miter Angle Adjustment section. 2. Vacuum or blow out dust. WEAR EYE PROTECTION. Cutting arm wobbles. I. Loose pivot points. I. See ADJUSTMENT - Cutting Arm Travel section. Cutting arm will not fully raise, or blade guard won't fully close. Blade binds, jams, burns wood. I. Pivot bolt too tight. 2. Pivot spring not replaced properly after service. 3. Sawdust build-up 1. Imprope r operat ion. 2. Dull or warped blade. 3. Improper blade size. 4 Wood is moving during cut. 1. Loosen pivot bolt lock nut (see adjustment section). 2. Contact Sears Service Center. 3. See MAINTENANCE section. 1. See BASIC SAW OPERATION section. 2. Replace or sharpen blade. 3. Replace with 10 in. diameter blade. 4. Use hold down clamp to secure workpiece to table. Saw vibrates or shakes. 1. Saw blade not round / damaged / loose. 1. Replace blade. 2. Arbor bolt loose. 2. Tighten arbor bolt. 25

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[_
WARNING
I
To avoid injury
from
accidental
starting,
always
turn
switch
OFF and
unplug
the
tool before
moving,
replacing
the blade or making
adjustments.
PROBLEM
Brake does not
stop blade within 6
seconds.
TROU
BLESHOOTING
GUIDE
- MOTOR
PROBLEM
CAUSE
I.
Motor brushes not sealed or
lightly
sticking.
2.
Motor brake overheated
from use of
defective
or wrong size blade or rapid
ON/OFF
cycling.
Arbor bolt loose.
Brushes cracked,
damaged,
etc.
Other.
3,
4.
5.
Motor does not start
1.
2.
3.
4.
Brush spark when
1.
switch released.
2.
Limit switch failure
Brush worn.
Fuse blown or circuit breaker tripped on
home panel.
Other.
Brush worn.
Other.
SUGGESTED
CORRECTIVE
ACTION
I.
Inspect/clean/replace
brushes. See
MAINTENANCE
section.
2.
Use a recommended
blade. Let cool down. See
REMOVING OR INSTALLING THE BLADE
section.
3.
Retighten.
See REMOVING
OR INSTALLING
THE BLADE section.
4.
Replace
brushes.
5.
Contact Sears Service Center.
1.
Replace
limit switch.
2.
Replace
brushes. See MAINTENANCE
section.
3.
Verify there is electrical
power at the outlet.
4.
Contact Sears Service Center.
1.
Replace
Brushes. See MAINTENANCE
section.
2.
Contact Sears Service Center.
TROU BLESHOOTING
GUIDE
- SAW
OPERATION
PROBLEM
Blade hits table.
1.
Angle of cut not
1.
accurate.
Can not
2.
adjust miter.
Cutting arm wobbles.
I.
Cutting arm will not
I.
fully raise, or blade
2.
guard won't fully
close.
3.
Blade binds, jams,
1.
burns wood.
2.
3.
4
Saw vibrates or
1.
shakes.
2.
PROBLEM
CAUSE
Misalignment.
Miter table unlocked.
Sawdust
under table.
Loose pivot points.
Pivot bolt too tight.
Pivot spring
not replaced properly
after service.
Sawdust
build-up
Imprope r operat ion.
Dull or warped blade.
Improper
blade size.
Wood is moving during cut.
SUGGESTED
CORRECTIVE
ACTION
I.
See ADJUSTMENT
- Cutting Arm
Travel
section.
I.
See OPERATION
- Miter Angle Adjustment
section.
2.
Vacuum or blow out dust. WEAR EYE
PROTECTION.
I.
See ADJUSTMENT
- Cutting Arm Travel section.
1.
Loosen pivot bolt lock nut (see adjustment
section).
2.
Contact Sears Service Center.
3.
See MAINTENANCE
section.
1.
See BASIC SAW OPERATION
section.
2.
Replace
or sharpen blade.
3.
Replace with 10 in. diameter
blade.
4.
Use hold down clamp to secure workpiece
to
table.
Saw blade not round
/
damaged
/
loose. 1.
Replace
blade.
Arbor bolt loose.
2.
Tighten arbor bolt.
25