Troubleshooting Hints - Powermatic 66 Maintenance Instructions And Parts List

TROUBLE SHOOTING HINTS
TROUBLE POSSIBLE CAUSE REMEDY
Excessive 1. Tilt or raising clamp knobs not
1. Tighten knobs.
vibration.
tightened.
2. Blade out of balance. 2. Change blade.
3. Bad motor.
3. Replace motor.
Cut out-of-square 1. Miter gauge out of adjustment.
1. Reset stops and pointer.
when crosscutting.
2. Miter slot misaligned.
2. Realign table.
Motor stalls or work 1. Excessive feed.
1. Reduce feed.
piece binds or 2. Bad motor.
2. Replace motor.
burns. 3. Dull or incorrect blade. 3. Replace blade.
4. Miter slot misaligned.
4. Realign miter slot.
S. Fence misalignment. S. Realign fence.
Cuts not true at 90
0
1. Stop screws not set properly. 1. Readjust stop screws.
or 4S o
Tilt or saw raising hand- 1. Clamp knobs not released. 1. Unclamp.
wheels difficult to 2. Worm and worm gear segment
2. Clean and regrease.
turn. caked with sawdust and pitch.
3. Worm and worm gear segment
3. Realign worm and worm
out of alignment. gear segment.
Motor overheats.
1. Motor overloaded.
1. Correct overload condition
such as reducing the feed
rate.
2. Improper cooling of motor.
2. Clean sawdust from fan and
duct areas of motor.
Motor starts slowly or
1. Low voltage. 1.
Request voltage check from
fails to come up power company and correct
low voltage condition.
2. Centrifugal switch not operating. 2. Replace switch.
3. Bad motor. 3. Replace motor.
Motor fails to develop 1. Power line overloaded. 1. Correct overload condition.
full power. 2. Undersize wires in supply 2. Increase supply wire size.
system.
3. Low voltage. 3. Request voltage check from
power company and correct
low voltage condition.
4. Bad motor.
4. Replace motor.