tROUBLESHOOtiNg
-34-For Machines Mfg. Since 8/09
Model SB1020 tROUBLESHOOtiNgIf you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540.Machine does not
start.
1. Power supply switched off/has
incorrect voltage.
1. Switch power supply on/verify voltage.
2. Blown fuse/tripped circuit breaker
at main panel.
2. Correct the cause of overload, then reset/replace
fuse or breaker.
3. Plug or receptacle is corroded or
mis-wired.
3. Clean/retighten contacts; correct the wiring.
4. Break or short in wiring; or loose
connections.
4. Trace/replace broken or corroded wires; fix loose
connections.
5. Motor wired incorrectly. 5. Wire motor correctly (refer to inside junction box
cover or manual).
6. Motor ON/OFF switch at fault. 6. Replace switch.
7. Start capacitor blown or at fault. 7. Replace start capacitor.
8. Centrifugal switch at fault. 8. Adjust/replace centrifugal switch.
9. Motor at fault. 9. Test for shorted windings, bad bearings and repair
or replace.
Machine has
excessive vibration
or noise.
1. Blade is missing teeth. 1. Replace blade.
2. Guide post is loose. 2. Tighten the guide post.
3. Motor or table is loose. 3. Tighten any loose fasteners.
4. Machine incorrectly mounted on
floor.
4. Level/shim base; tighten/adjust mounting hardware
or feet.
5. Centrifugal switch out of
adjustment; at fault.
5. Adjust/replace centrifugal switch.
6. Air is in the hydraulic system,
causing the headstock to "hop".
6. Bleed hydraulic system.
7. Motor bearings worn or damaged. 7. Replace motor bearings or replace motor.
8. Wheel bearings are worn. 8. Replace wheel bearings.
Main motor
chatters during
startup or during
operation.
1. Extension cord (if used) is causing
voltage drop.
1. Move machine closer to the power source or use a
larger gauge or shorter extension cord.
2. Power supply has incorrect voltage
on one or more legs.
2. Contact your power company to fix the power
supply.
Symptom possible Cause possible Solution
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