-28-
ST1008 Mini Wood Lathe
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Machine does not start or a
breaker trips.
1. Power supply is at fault/switched OFF.
2. Plug/receptacle is at fault or wired
incorrectly.
3. Lockout key is at fault.
4. Motor ON button or ON/OFF switch is
at fault.
5. Wiring open/has high resistance.
6. Motor is at fault.
1. Ensure hot lines have correct voltage on all
legs and main power supply is switched ON.
2. Test for good contacts; correct the wiring.
3. Install/replace lockout key; replace switch.
4. Replace faulty ON button or ON/OFF switch.
5. Check/fix broken, disconnected, or corroded wires.
6. Test/repair/replace.
Machine stalls or is under-
powered.
1. Plug/receptacle is at fault.
2. Motor has overheated.
3. Motor bearings are at fault.
4. Motor is at fault.
5. Machine undersized for task.
6. Workpiece material not suitable for
machine.
1. Test for good contacts/wiring.
2. Clean motor, let cool, and reduce workload.
3. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
4 Test/repair/replace.
5. Use sharp chisels; reduce feed rate/depth of cut.
6. Only cut wood.
Machine has vibration or
noisy operation.
1. Workpiece or chuck is at fault.
2. Motor or component is loose.
3. Motor fan is rubbing on fan cover.
4. Motor bearings are at fault.
5. Belt worn, damaged, or loose
6. Motor mount loose/broken.
7. Pulley loose.
8. Machine incorrectly mounted or sits
unevenly on bench.
1. Center workpiece in chuck or face plate; reduce RPM;
replace defective chuck.
2. Inspect/replace damaged bolts/nuts, and re-tighten with
thread locking fluid.
3. Replace dented fan cover; replace loose/damaged fan.
4. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
5. Inspect/replace belt.
6. Tighten/replace.
7. Re-align/replace shaft, pulley set screws, and key.
8. Tighten/replace mounting bolts in bench; relocate/shim
machine; adjust feet.
Motor automatically shuts
off.
1. Short circuit in motor or loose
connections.
2. Incorrect fuses/circuit breakers.
1. Inspect connections on motor for loose or shorted
terminals or worn insulation.
2. Repair cause of short and or install correct fuses or circuit
breakers.
SERVICE
Troubleshooting
Motor & Electrical
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.
