Grizzly G1148 User Manual download pdf (Page 26)

-26- G1148 15" 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 even-

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 prop-

erly.

2. Rubber tire on wheel is dam-

aged or worn

3. Wheels are not co-planar.

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 co-planar.

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 co-planarity.

1. Adjust tension.

2. Replace blade, or have it professionally sharpened.

3. Replace blade, or have it professionally sharpened.

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 co-planar.

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

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Grizzly G1148 User Manual Page 26

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