Section 6: Service; Troubleshooting - Grizzly T10874 Owner's Manual

SECTION 6: SERVICE

Symptom
Tool does not start or a
breaker trips.
Tool stalls or is under-
powered.
Tool has excessive
vibration or noisy
operation.
Blade tracks incorrectly 1. Incorrect blade for applica-
Cut is crooked or blade
wanders.
Model T10874 (Mfd. Since 01/15)

Troubleshooting

Possible Cause
1. Wall circuit breaker tripped.
2. Plug/receptacle at fault/
wired wrong.
3. Wiring open/has high resis-
tance.
4. Motor brushes at fault.
5. Motor at fault.
1. Workpiece crooked; foot
mis-adjusted.
2. Tool undersized for task;
dull blade.
3. Plug/receptacle at fault.
4. Motor bearings at fault.
5. Motor overheated.
6. Motor brushes at fault.
7. Motor at fault.
1. Motor or component loose.
2. Blade at fault.
3. Motor bearings at fault.
tion.
2. Blade
is bell-mouthed,
worn, or dull.
1. Blade is dull or damaged.
2. Tooth set is uneven.
Possible Solution
1. Ensure circuit size is cor-
rect/replace weak breaker.
2. Test for good contacts; cor-
rect the wiring.
3. Check/fix broken, discon-
nected, or corroded wires.
4. See Replacing Carbon
Brushes on Page 14.
5. Test/repair/replace.
1. Straighten or
workpiece; adjust foot.
2. Reduce feed rate or depth
of cut; replace blade.
3. Test for good contacts/cor-
rect wiring.
4. Test/repair/replace.
5. Clean motor, let cool, and
reduce workload.
6. See Replacing Carbon
Brushes on Page 14.
7. Test/repair/replace.
1. Inspect/replace damaged
bolts/nuts, and re-tighten
with thread locking fluid.
2. Install new blade.
3. Test by rotating shaft;
grinding/loose
requires bearing replace-
ment.
1. See Blade Selection on
Page 9.
2. Install new blade.
1. Install new blade.
2. Install new blade.
replace
shaft
-15
-