Woodstock STEELEX ST1000 - Manual (Page 35)

ST1000 14" Bandsaw -33-
SERVICE
Motor
Troubleshooting
This section covers the most common problems and corrections with this type of machine.
WARNING! DO NOT make any adjustments until power is disconnected and moving parts
have come to a complete stop!
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Machine does not start
or a breaker trips. 1. Plug/receptacle is at fault or wired
incorrectly.
2. Start capacitor is at fault.
3. Motor connection wired incorrectly.
4. Power supply is at fault/switched OFF.
5. Lockout key is at fault.
6. Motor ON button or ON/OFF switch is
at fault.
7. Wiring is open/has high resistance.
8. Motor is at fault.
1. Test for good contacts; correct the wiring.
2. Test/replace if faulty.
3. Correct motor wiring connections.
4. Ensure hot lines have correct voltage on all legs and main
power supply is switched ON.
5. Install/replace lockout key; replace switch.
6. Replace faulty ON button or ON/OFF switch.
7. Check for broken wires or disconnected/corroded connections,
and repair/replace as necessary.
8. Test/repair/replace.
Machine stalls or is
underpowered. 1. Wrong workpiece material (wood).
2. Workpiece alignment is poor.
3. Run capacitor is at fault.
4. Plug/receptacle is at fault.
5. Motor wired incorrectly.
6. Blade is slipping on wheels.
7. Motor bearings are at fault.
8. Machine is undersized for the task.
9. Motor has overheated.
10. Motor is at fault.
1. Use wood with correct moisture content, without glues, and
little pitch/resins.
2. Eliminate workpiece binding; use jig, fence, guide, clamps, roller
table, or pushblocks as required for workpiece alignment con-
trol.
3. Test/repair/replace.
4. Test for good contacts; correct the wiring.
5. Correct motor wiring connections.
6. Adjust blade tracking and tension to factory specifications.
7. Test by rotating shaft; rotational grinding/loose shaft requires
bearing replacement.
8. Use sharp blade with lower TPI; reduce the feed rate/depth of
cut.
9. Allow motor to cool, clean it off, and reduce workload.
10. Test/repair/replace.
Machine has vibration
or noisy operation. 1. Bad blade weld or broken teeth.
2. V-belt(s) worn or loose.
3. Motor fan is rubbing on fan cover.
4. Pulley is loose.
5. Machine is incorrectly mounted or sits
unevenly on floor.
6. Motor bearings are at fault.
1. Replace blade or grind weld smooth.
2. Inspect/replace belts with a new matched set.
3. Replace dented fan cover; replace loose/damaged fan.
4. Realign/replace shaft, pulley, setscrew, and key as required.
5. Tighten/replace anchor studs in floor; relocate/shim machine.
6. Test by rotating shaft; rotational grinding/loose shaft requires
bearing replacement.