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TROUBLESHOOTING - MOTOR (CONT'D)
I oto_ stads .....
OI° fauna tO come up
to tuI_ speed
TROUBLE PROBABLE CAUSE
Motor overheats,
Relay will not operate.
Motor stalls
(resulting in blown
fuses or tripped
circuit breakers,
Frequent opening of
fuses or circuit
breakers.
t. Low voltage will not
trip relay.
2. Windings burned out
or open.
3, Starting re!ay not
operating,
I_ Motor overloaded
2_ Improper cooting, (Air
circulation restricted
through motor due to
sawdust0 accumulating
inside of saw.)
1_ Burned contacts (due to
extended hold4n periods
caused by _ow line voltage,
etc.)
2, Saw not in upright position.
3. Loose or broken connectors
1. Started relay not operating
2. Voltage too low to permit
motor to reach operating
speed.
3 Fuses or circuit breakers
do not have sufficient
capacity,
!. Motor overloaded
2. Fuses or circuit breakers
do not have sufficient
capacity,
3, Relay not operating
(motor does not reach
speed.)
REMEDY
1 Request voltage check from the power company.
2 Have motor repaired or replaced.
3. Have relay replaced
1.
2.
Feed work s_ower into btade,
Ctean out sawdust to provide norma_ aft circulation
through motor, See "Maintenance '° and
"L.ubricalion _'section.
1, Have relay replaced and request a vo!_age check
from the power company.
2, P!ace saw in upright position.
3. Have wiring checked and repaired
1_Have relay replaced
2, Request voltage check from the power company,
3. lnstalt proper size fuses or circuit breakers
1. Feed work slower into blade,
2. Install proper size fuses or circuit breakers,
3. Have relay replaced.
49
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