MOTOR
OVERLOAD PROTECTION
Your Saw Motor
is
equipped with a manual-reset
overload
protector.
If the
protector
"trips" and stops the motor,
take
the
following
steps:
l.
Press the
"OFF" button
on the front of the
arm.
2. Allow
the motor
to cool, and then
press
the red RESET
button. If
you
do
not hear
a
"click",
allow the motor
to cool
further
until
you
do
hear
a
"click"
when
the button is
pressed.
3. After
the reset is
accomplished,
the
saw
may
be started by
pressing
the
"ON"
button.
TROUBLE
SHOOTING
CHART-MOTOR
TROUBLE
PROBABLE
CAUSE
REMEDY
Motor will
not run.
Protector
open;
circuit broken
Reset
protector
by
pushing
on
red button
(indicated
by audible
click).
Low
voltage.
Check
power
line for
proper
voltage.
Motor
will
not
run
and
fuses
"BLOW."
Short
circuit
in line
cord or
plug.
lnspect line
cord and
plug
for damaged
in.
sulation and
shorted wires
Short circuit in
junction
box,
or loose connections.
lnspect all teminals in
motor
junction
box for
loose or shorted connectrons.
Motor
fails to
develop full
power.
(Power
output
of motor decreases
rapid ly with
decrease in
voltage
at motor
terminals.)
Power line overloaded with
lights, appliances
and
other
motors.
Reduce line
load.
Undersize wires
or circuit
too
lons.
lncrease wire
sizes,
or
reduce
length of
wiring.
General
overloading
of
power
company's
facilities.
(ln
many
sections
of the
country,
de-
mand for
electrical
power
ex-
ceeds
the capacity of existing
generating
and
distribution
systems.)
Request
a voltage
check from
the
power
company.
Incorrect
fuses in
power
line.
lnstall
correct fuses.
Motor
starts
slowly
or fails
to
come
up to full
speed,
Low Voltage
-
will not
trip
starting relay.
Correct low voltage condition.
Starting
relay not
operating.
Replace
relay.
Motor
overheats.
Motor overloaded.
Correct overload condition.
Improper
cooling.
(Air
circula-
tion restricted
through motor
due
to sawdust,
etc.)
Clean out sawdust to
provide
normal
air cir.
culation
through motor.
Stading
relay in
motor will
not
operate,
M.t.r
.trll.
(r".rltirC
l" bl"-"
fuses
or
tripped
circuit
breakers).
Frequent
opening
of fuses
or
circuit
breakers.
Bur:red
relay contacts
(due
to
I
Replace
relay and
check line voltage.
extended
hold-in
periods
caused by low line
voltage,
etc.
Open
relay
coil
Replace
relay.
Loose
or
broken connections
f
in motor
terminal
box.
Fuse-
not
have
sufficient
capacity.
Starting ,'elay not
operatrng.
Replace relay.
Vc:age
icc
.c!v
ic
!er'^-t,t
Ccr.ect the
lovr
line voltage
condition.
n:oior
ic reach
cperat ng
snped
Fuses
or
circurt
breakers
do
Replace
fuses
or circuit breakers
with
proper
not
have sufficient
capacrty.
capacity unlts.
Motor
overloaded.
Reduce nrotor load.
(motor
does
not reach
normal
l
speed.)
I
For
Wiring
Diagram
see
Parts Bulletin.
2t
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