Service; Troubleshooting - Shop fox W1668 Owner's Manual

Model W1668/W1848 (Mfd. Since 08/16)
The following troubleshooting tables cover common problems that may occur with this machine. If you
need replacement parts or additional troubleshooting help, contact our Technical Support.
Note: Before contacting Tech Support, find the machine serial number and manufacture date, and if
available, your original purchase receipt. This information is required to properly assist you.
Motor.&.Electrical
Symptom Possible.Cause
Machine does not 1. Switch disabling key removed or at fault.
start or a breaker
2. Incorrect power supply voltage or circuit
trips.
size.
3. Power supply circuit breaker tripped or
fuse blown.
4. Motor wires connected incorrectly.
5. Wiring open/has high resistance.
6. Start capacitor at fault.
7. Centrifugal switch at fault.
8. Motor at fault.
Machine stalls or is
1. Incorrect/dull cutter/bit for task.
underpowered.
2. Feed rate/cutting speed too fast.
3. Belt(s) slipping.
4. Machine undersized for task.
5. Motor overheated.
6. Pulley slipping on shaft.
7. Centrifugal switch at fault.
8. Motor at fault.
Machine has 1. Motor or other drive component loose.
vibration or noisy
operation.
2. V-belt(s) worn or loose.
3. Motor fan rubbing on fan cover.
4. Pulley loose.
5. Motor mount loose/broken.
6. Motor or spindle bearings at fault.
7. Chuck unbalanced or cutter dull.

SERVICE

Troubleshooting

-39-
Possible.Solution
1. Insert disabling key or replace.
2. Ensure correct power supply voltage and circuit
size.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Correct motor wiring connections (Page.40).
5. Check/fix broken, disconnected, or corroded
wires.
6. Test/replace.
7. Adjust/replace centrifugal switch if available.
8. Test/repair/replace.
1. Use correct cutter/bit.
2. Decrease feed rate/cutting speed (Page.31).
3. Ensure belts are oil free, tension/replace belt(s);
ensure pulleys are aligned (Page.31).
4. Perform operation with different machine.
5. Clean motor, let cool, and reduce workload.
6. Tighten loose pulley; replace broken/missing
parts.
7. Adjust/replace centrifugal switch if available.
8. Test/repair/replace.
1. Inspect/replace damaged bolts/nuts, and
retighten with thread locking fluid, if necessary.
2. Inspect/replace belts with a new matched set
(Page.31).
3. Fix/replace fan cover; replace loose/damaged
fan.
4. Re-align/replace shaft, pulley set screw, and key.
5. Tighten/replace.
6. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
7. Replace chuck; replace/resharpen cutter.