Grizzly G1019Z - Manual (Page 34)

-32- Model G1019Z 14" Bandsaw
SYMPTOM
Motor will not start.
Motor will not start; fuses
or circuit breakers blow.
Motor overheats.
Motor stalls (resulting in
blown fuses or tripped
circuit).
Machine slows when
operating.
Blade does not run even-
ly on wheels or runs off.
Blade does not cut evenly.
Ticking sound when the
saw is running.
Blade contacting table
insert.
Excessive vibration.
Burn marks on the edge
of the cut.
POSSIBLE CAUSE
1. Low voltage.
2. Open circuit in motor or loose
connections.
1. Short circuit in line cord or
plug.
2. Short circuit in motor or loose
connections.
3. Incorrect fuses or circuit
breakers in power line.
1. Motor overloaded.
2. Air circulation through the
motor restricted.
1. Short circuit in motor or loose
connections.
2. Low voltage.
3. Incorrect fuses or circuit
breakers in power line.
4. Motor overloaded.
1. Applying too much pressure
to workpiece.
2. Blade is dull.
1. Tracking is not adjusted
properly.
2. Rubber tire on wheel is dam-
aged or worn.
3. Wheels are not coplanar.
1. Blade tension is incorrect.
2. Tooth set is uneven.
3. Teeth are sharper on one
side than the other.
1. Blade weld contacting sup-
port bearing.
2. Blade weld may be failing.
1. Excessive side pressure
when cutting.
2. Table improperly adjusted.
1. Wheels not coplanar.
2. Tires incorrectly installed.
3. Bent or worn out blade.
4. Wheels out of balance.
1. Too much side pressure
when feeding workpiece.
2. Blade too wide for size of
radius being cut.
CORRECTIVE ACTION
1. Check power line for proper voltage.
2. Inspect all lead connections on motor for loose or
open connections.
1. Inspect cord or plug for damaged insulation and
shorted wires.
2. Inspect all connections on motor for loose or short-
ed terminals or worn insulation.
3. Install correct fuses or circuit breakers.
1. Reduce load on motor.
2. Clean out motor to provide normal air circulation.
1. Inspect connections on motor for loose or shorted
terminals or worn insulation.
2 Correct the low voltage conditions.
3. Install correct fuses or circuit breakers.
4. Reduce load on motor.
1. Feed workpiece slower.
2. Replace blade.
1. Adjust tracking.
2. Replace rubber tires.
3. Adjust wheel coplanarity.
1. Adjust tension.
2. Replace blade, or have it professionally sharp-
ened.
3. Replace blade, or have it professionally sharp-
ened.
1. Use file or stone to smooth and round the back of
the blade.
2. Inspect and replace blade if necessary.
1. Reduce side pressure.
2. Adjust table.
1. Adjust wheels coplanar.
2. Re-install tires.
3. Replace blade.
4. Replace wheels.
1. Feed workpiece straight into the blade.
2. Install a smaller width blade, and/or increase blade
tension.
TROUBLESHOOTING