Trouble shooting - i^otor (continued) – Sears 113242502 User Manual

Page 29

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TROUBLE SHOOTING - i^OTOR (Continued)

TROUBLE

PROBABLE CAUSE

REMEDY

Motor starts siowly

1, Low voltage will not

1, Request voltage check from the power company

or fails to cotoB up

trip relay.

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.

Î. Motor overloaded

1

. Feed work slower into blade.

2. Improper cooling, {Air

2, Clean out sawdust to provide normal air

circulation restricted

circulation through motor,

through motor due to

sawdust, accumulating

inside of saw).

See "Maintenance and Lubrication" section.

Starting relay in

1, Burned relay contacts

1.. Have relay replaced and request a voltage check

motor will not

(due to extended

from the power company.

operate.

hoid-in periods caused

by low line voltage, etc,)

2. Shorted capacitor

(when equipped)

2. Test capacitor and replace if defective.

3, Loose or broken

connections.

3. Have wiring checked and repaired

Motor stalls

1. Starting relay not

!. Have relay replaced.

{resulting in blown

operating.

fuses or tripped

2. Voltage too low to permit

2, Request voltage check from the power company.

circuit breakers).

motor to reach operating

speed.

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

2 Fuses or circuit breakers

2. Install proper size fuses or circuit breakers.

breakers.

do not have sufficient

capacity.

3. Starting relay not

operating (motor does

not reach speed).

3 Have reiay replaced

29

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