Grizzly COMBINATION SANDER G1183 - Manual (Page 35)

model g1183/g1276 (mfg. since 3/10)
-33-
review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. if you need replacement parts or you are unsure of your repair skills, then feel free to call our technical
support at (570) 546-9663.
SECTION 7: SERVICE
Troubleshooting
symptom possible Cause possible solution
machine does not
start or a breaker
trips. 1. power supply switched OFF or at fault.
2. plug/receptacle at fault/wired wrong.
3. motor connection wired wrong.
4. Wall circuit breaker tripped.
5. Wiring open/has high resistance.
6. start capacitor at fault.
7. motor on/oFF switch at fault.
8. motor at fault.
1. ensure power supply is on/has correct voltage.
2. test for good contacts; correct the wiring.
3. Correct motor wiring connections.
4. ensure circuit size is correct/replace weak breaker.
5. Check/fix broken, disconnected, or corroded wires.
6. test/replace if faulty.
7. replace switch.
8. test/repair/replace.
machine stalls or is
underpowered. 1. Feed rate too aggressive.
2. machine undersized for task.
3. Workpiece material not suitable for
machine.
4. motor wired incorrectly.
5. plug/receptacle at fault.
6. motor bearings at fault.
7. motor overheated.
8. motor at fault.
1. decrease feed rate.
2. Clean/replace sandpaper; reduce feed rate/sanding
depth.
3. only sand wood, ensure moisture is below 20%.
4. Wire motor correctly.
5. test for good contacts/correct wiring.
6. test/repair/replace.
7. Clean motor, let cool, and reduce workload.
8. test/repair/replace.
machine has
vibration or noisy
operation. 1. motor or component loose.
2. incorrectly mounted to workbench.
3. motor fan rubbing on fan cover.
4. motor mount loose/broken.
5. sanding disc out of balance or loose.
6. Broken/defective sanding belt.
7. tables are loose.
8. motor bearings at fault.
9. sanding belt roller bearings at fault.
1. inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
2. secure stand to workbench, reposition to level
surface, or shim.
3. Fix/replace fan cover; replace loose/damaged fan.
4. tighten/replace.
5. tighten disc hub or replace disc.
6. replace sanding belt (see
page 26).
7. tighten table locks.
8. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
9. replace bearings.