Trouble shooting - motor {cont – Sears 113.243311 User Manual
Page 23
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TROUBLE SHOOTING - MOTOR {Cont.|
TROUBLE
PROBABLE CAUSE
' .......... - ...-----------------
remedy
Motor starts slowly
or fails to come up
1. Low voltage will not
trip relay.
1. Request voltage check from the power company.
to full speed.
2. Windings burned out
or open.
2, Have motor repaired or replaced.
3. Starting relay not
operating.
3, Have relay replaced.
Motor overheats.
1- Motor overloaded.
1. Feed work slower into blade.
2. Improper cooling. {Air
circulation restricted
through motor due to
sawdust, accumulating
inside of saw).
2. Clean out sawdust to provide normal air
circulation through motor.
See “Maintenance and Lubrication" section.
Starting switch in
motor will not
operate.
1
.
Burned switch contacts
1. Have switch replaced and requests voltage check
(due to extended
hold-in periods caused
by low line voltage, etc.)
from the power company.
2. Shorted capacitor
2. Have capacitor tested and replace if defective.
3, Loose or broken
connections.
3. Have wiring checked and repaired.
Motor stalls
(resulting in blown
1, Starting switch not
operating.
1. Have switch replaced.
fuses or tripped
circuit breakers).
2. Voltage too low to permit
motor to reach operating
speed.
2. Request voltage check from the power company.
3. Fuses or circuit breakers
do not have sufficient
capacity.
3, Install proper size fuses or circuit breakers.
Frequent opening of
1, Motor overloaded.
1. Feed work slower into blade.
fuses or circuit
breakers.
2. Fuses or circuit breakers
do not have sufficient
capacity.
2. Install proper size fuses or circuit breakers.
3. Starting switch not
operating (motor does
not reach speed).
3. Have switch replaced.
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