Trouble-Shooting - Powermatic 66 Instruction Manual & Parts List

Trouble-Shooting for Model 66 Table Saw
PROBLEM
Excessive Vibration.
Cuts out-of-square when
crosscutting.
Motor stalls or workpiece
binds or burns.
Cuts not true at 90 or 45
degrees.
Tilt or saw raising
handwheels difficult to turn.
Motor overheats.
Motor starts slowly or fails
to come up to full speed.
Motor fails to develop full
power.
22
POSSIBLE CAUSE
1. Tilt or raising clamp knobs not tightened.
2. Blade out of balance.
3. Bad motor.
4. Loose arbor or motor sheave.
1. Mitre gauge out of adjustment.
2. Mitre slot misaligned.
1. Excessive feed.
2. Bad motor.
3. Dull or incorrect blade.
4. Mitre slot misaligned.
5. Fence misalignment.
1. Stop screws not set properly.
1. Lock knob not released.
2. Worm and worm gear segment caked
with sawdust and pitch.
3. Worm and worm gear segment out of
alignment.
1. Motor overloaded.
2. Improper cooling of motor.
1. Low voltage.
2. Centrifugal switch not operating.
3. Bad motor.
1. Power line overloaded.
2. Undersize wires in supply system.
3. Low voltage.
4. Bad motor.
SOLUTION [with page #]
1. Tighten knobs.
2. Change blade. [9]
3. Replace motor.
4. Tighten set screws. [13]
1. Reset stops and pointer. [12]
2. Realign table. [11]
1. Reduce feed.
2. Replace motor.
3. Replace blade. [9]
4. Realign mitre slot. [11]
5. Realign fence.
1. Readjust stop screws. [12]
1. Loosen lock knob.
2. Clean and re-grease.
3. Realign worm and worm
gear segment. [13]
1. Correct overload condition
such as reducing the
feed rate.
2. Clean sawdust from fan
and duct areas of motor.
1. Request voltage check
from power company and
correct low voltage
condition.
2. Replace switch.
3. Replace motor.
1. Correct overload condition.
2. Increase supply wire size.
3. Request voltage check
from power company and
correct condition.
4. Replace motor.