Craftsman 137.21807 - Manual (Page 45)

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To avoid injury from accidental starting, always turn switch OFF and unplug
the tool before moving, replacing the blade or making adjustments.
WARNING
!
TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION
Saw will not
start.
1. Saw is not plugged in.
2. Fuse blown or circuit breaker
tripped.
3. Cord is damaged.
4. Debris in on/off switch
1. Plug in saw.
2. Replace fuse or reset circuit
breaker.
3. Replace power cord.
4. Remove switch from saw
and separate in half. Clean
any debris accumulated
within.
Does not make
accurate 45°
and
90° rip cuts.
1. Positive stop not adjusted
correctly.
2. Tilt angle pointer not set
accurately.
1. Check blade with square
and adjust positive stop.
2. Check blade with square
and adjust to zero.
Material pinched
blade when
ripping.
1. Rip fence not aligned with
blade.
2. Warped wood, edge against
fence is not straight.
1. Check and adjust rip fence.
2. Select another piece of
wood.
Material binds
on riving knife.
1. Riving knife not aligned
correctly with blade.
1. Check and align riving knife
with blade.
Saw makes
unsatisfactory
cuts.
1. Dull blade.
2. Blade mounted backwards.
3. Gum or pitch on blade.
4. Incorrect blade for work being
done.
5. Gum or pitch on blade
causing erratic feed.
1. Replace blade.
2. Turn the blade around.
3. Remove blade and clean
with turpentine and coarse
steel wool.
4. Change the blade.
5. Clean table with turpentine
and steel wool.