Troubleshooting The Pm1000 Cabinet Saw - Powermatic PM1000 RU Operating Instructions And Parts Manual

14.0 Troubleshooting the PM1000 Cabinet Saw

Table 2
Symptom
Saw will not start.
Saw will not start: fuse
blows or breaker trips.
Motor starts slowly or
fails to reach full speed.
Motor overheats.
Motor stalls, resulting in
blown fuses or tripped
breaker.
Motor stalls or workpiece
binds or burns.
Machine slows when
operating.
Loud, repetitive noise
coming from machine.
Probable Cause
No incoming power.
Low voltage.
Open circuit in motor
connection.
Cord damaged.
Short circuit in line cord or plug.
Short circuit in motor
connections.
Incorrect fuses or circuit breakers in
power line.
Low voltage.
Power line overloaded.
Undersized wires in supply system.
Centrifugal switch not operating.
Motor malfunction.
Motor overloaded.
Improper cooling of motor; lack of air
circulation.
Motor overloaded.
Short circuit in motor
connections.
Low voltage.
Incorrect fuses or circuit breakers in
power line.
Excessive feed.
Dull or incorrect blade.
Miter slot misaligned.
Fence misaligned.
Motor malfunction.
Applying too much
workpiece.
Belt loose.
Pulley setscrews or keys are missing
or loose.
Motor fan is hitting the cover.
V-belt is defective.
Remedy
Check plug connection.
Check power line for proper voltage.
or loose Inspect all lead connections on motor for
loose or open connections.
Replace cord.
Inspect cord or plug for damaged insulation
and shorted wires.
or loose Inspect all connections on motor for loose or
shorted terminals or worn insulation.
Install correct fuses or circuit breakers.
Request voltage check from power company
and correct low voltage condition.
Correct overload condition.
Increase supply wire size.
Replace
personnel only).
Have motor
inspector. Repair or replace.
Reduce load on motor.
Clean sawdust from fan and duct areas of
motor.
Reduce load on motor.
or loose Inspect connections on motor for loose or
shorted terminals or worn insulation.
Correct low voltage conditions.
Install correct fuses or circuit breakers.
Reduce feed.
Replace blade; use proper type of blade for
cut needed.
Realign table to blade.
Realign fence (see Accu-Fence manual).
Have motor
inspector. Repair or replace.
pressure to Feed workpiece more slowly.
Tighten belt.
Inspect keys and setscrews. Replace or
tighten if necessary.
Tighten fan or shim cover.
Replace V-belt.
28
centrifugal switch
checked by a
checked by a
(qualified
qualified
qualified