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Motor
Trouble Probable Cause Remedy
Excessive noise 1. Motor 1. Have motor checked by qualified
service technician. Repair service
is available at an Authorized
RIDGID Service Center.
Motor fails to develop
full power. NOTE:
LOW VOLTAGE:
(Power output of
motor decreases rap-
idly with decrease in
voltage at motor ter-
minals. For example,
a reduction of 10% in
voltage causes a
reduction of 19% in
maximum power out-
put of which the
motor is capable and
a reduction of 20% in
voltage causes a
reduction of 36% in
maximum power out-
put.)
1. Circuit overloaded
with light, appliances
and other motors.
2. Undersize wires or
circuit too long.
3. General overloading
of power company
facilities.
1. Do not use other appliances or
motors on same circuit when using
the lathe.
2. Increase wire sizes, or reduce
length of wiring. See “motor Speci-
fications and Electrical Require-
ments” section.
3. Request a voltage check from the
power company.
Motor starts slowly or
fails to come up to
full speed.
1. Low voltage will not
trip relay.
2. Windings burned out
or open.
1. Request voltage check from the
power company.
2. Have motor repaired or replaced.
Motor overheats 1. Motor overloaded. 1. Take shallower cuts.
6489c12wlEhalf_final.fm Page 49 Friday, April 25, 2003 3:40 PM