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.

23

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