Powermatic 45 - Advanced Troubleshooting; Motor and Speed Issues; Tool Grabbing and Lathe Speed

MODEL
45 -
12"
(304.8mm)WOOD
LATEE
MAINTENANCE I NSTRUCTIONS
TROUBLE-SHOOTING H INTS,
cont'd
tt-
F
TROUBLE POSSIBLE
CAUSE
REMEDY
Motor Overgeats 1. Motor overloaded.
2.
lmproper
cooling on
motor.
1. Correct overload condition,
such as
reducing cut depth.
2. Clean
sawdust
from fan and
duct areas of
motor.
Motor
Starts Slowly or
Fails
to
Come
up to Speed.
Low voltage.
2.
Centrifugal
switch
not
operating.
3. Defective
motor.
1. Request voltage check
from
power
company and
correct
low-voltage condition.
2.
Replace switch or
motor.
3.
Replace motor.
Motor
Fails
to
Develope
FullPower.
1. Power line overloaded.
2. Undersize wires
in
supply
system.
3. Low voltage.
4.
Clogged
motor fan
areas.
5.
Defective motor.
1.
Correct
overload
condition.
2.
Increase supply
wire size.
3.
Request voltage check
from
power
company and
correct
low voltage
condition.
4.
Clean
motor fan area.
5;
Replace motor.
Excessive
Speed
1. Excessive wear on belt.
2.
Fixed
spindle sheave
is out-of-
position.
3.
Motor
or
iackshaft
out-of-position.
1.
Replace belt.
2.
Readjust
per
maintenance
instructions.
3.
Readjust
per
maintenance
instructions.
Toois
Tend to Grab or
Dig in. 1. Dull
tools.
2. Tool
rest
set
too low.
3. Tool
rest set too far
from
workpiece
4.
lmproper tool being used.
1. Sharpen
tools.
2.
Reposition
tool
rest height.
3.
Reposition
tool
rest closer
to workpiece.
4.
Use correct
tool for operation.
Lathe
With Variable
Speed
Runs
at
One
Speed.
1. Drive
or
driven
variable
speed
pulley.
frozen.
1. Free and
lubricate with SAE
oil.
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11
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