Troubleshooting - Powermatic 64S Operating Instructions And Parts Manual

TroubleShooting

PROBLEM
Excessive Vibration.
Cuts out-of-square when
crosscutting.
Motor stalls or workpiece
binds or burns.
Cuts not true at 90 or 45
o
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.
28
POSSIBLE CAUSE
1. Tilt or raising clamp knobs not tightened.
2. Blade out of balance.
3. Bad motor.
4. Pulleys loose
5. Belt is worn or cut.
6. Saw is not resting evenly on the floor.
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.
o
1. Clamp knobs not released.
2. Worm and worm gear segment caked
with sawdust or pitch.
3. Worm and worm gear segment out of
alignment.
1. Motor overloaded.
2. Improper cooling of motor.
1. Low voltage.
2. Centrifugal switch is not operating.
3. Bad motor.
1. Power line overloaded.
2. Undersize wires in supply system.
3. Low voltage.
4. Bad motor.
SOLUTION
1. Tighten the knobs.
2. Change the saw blade.
3. Replace the motor.
4. Tighten pulley set screws.
5. Replace the belt.
6. Shim the feet.
1. Reset stops and pointer.
2. Realign the table.
1. Reduce the feed.
2. Replace the motor.
3. Replace the saw blade.
4. Replace the work table
5. Realign the fence.
1. Readjust the stop screws.
1. Unclamp.
2. Clean and re-grease.
3. Realign the worm and worm
gear segment.
1. Correct the overload
condition such as reducing
the feed rate.
2. Clean sawdust from fan
and duct areas of motor.
1. Request a voltage check
from the power company
and correct the low voltage
condition.
2. Replace centrifugal switch.
3. Replace the motor.
1. Correct overload condition.
2. Increase supply wire size.
3. Request a voltage check
from the power company
and correct the low voltage
condition.
4. Replace the motor.