Grizzly G8976 instruction manual Troubleshooting

Page 41

Troubleshooting

Motor will not start.

1.

Low voltage.

1.

Check power line for proper voltage.

 

2.

Open circuit in motor or loose

2.

Inspect all lead connections on motor for loose or open

 

 

connections.

 

connections.

 

 

 

 

 

Motor will not start; fuses or circuit

1.

Short circuit in line cord or plug.

1.

Inspect cord or plug for damaged insulation and

breakers blow.

 

 

 

shorted wires.

 

2.

Short circuit in motor or loose

2.

Inspect all connections on motor for loose or shorted

 

 

connections.

 

terminals or worn insulation.

 

3.

Circuit Overloaded.

3.

Reduce load on circuit.

 

 

 

 

 

Motor fails to develop full power

1.

Power line overloaded with lights,

1.

Reduce load on power line.

(power output of motor decreases

 

appliances, and other motors.

 

 

rapidly with decrease in voltage at

2.

Undersized wires or circuits too long.

2.

Increase wire sizes or reduce length of wire.

motor terminals).

3.

General overloading of power

3.

Request a power check from the power company.

 

 

company facilities.

 

 

 

 

 

 

 

Motor overheats.

1.

Motor overloaded.

1.

Reduce load on motor.

 

2.

Air circulation through the motor

2.

Clean out motor to provide normal air circulation.

 

 

restricted.

 

 

 

 

 

 

 

Motor stalls (resulting in blown

1.

Short circuit in motor or loose

1.

Inspect connections on motor for loose or shorted

fuses or tripped circuit).

 

connections.

 

terminals or worn insulation.

 

2.

Low voltage.

2

Correct the low voltage conditions.

 

3.

Incorrect fuses or circuit breakers in

3.

Install correct fuses or circuit breakers.

 

 

power line.

 

 

 

4.

Motor overloaded.

4.

Reduce load on motor.

 

 

 

 

Machine slows when operating.

Applying too much pressure to

 

Feed workpiece slower.

 

workpiece.

 

 

 

 

 

 

 

Blade does not run evenly on

1.

Tracking is not adjusted properly.

1.

Adjust tracking.

wheels or runs off.

2.

Wheels are not coplanar.

2.

Adjust wheel alignment.

 

 

 

 

 

Blade does not cut evenly.

1.

Blade is not properly tensioned.

1.

Adjust blade tension.

 

2.

Wheels are not coplanar.

2.

Adjust wheel alignment.

 

3.

Tooth set is uneven.

3.

Skew fence to compensate or replace blade.

 

4.

Teeth are sharper on one side than

4.

Skew fence to compensate or replace blade.

 

 

the other.

 

 

 

 

 

 

 

Blade contacting table insert.

1.

Excessive side pressure when cutting.

1.

Reduce side pressure.

 

2.

Table improperly adjusted.

2.

Adjust table.

 

3.

Opening in insert too narrow.

3.

File opening in table insert larger.

 

 

 

 

 

Excessive vibration.

1.

Rubber pads not installed under stand.

1.

Install rubber pads under stand.

 

2.

Wheels not coplanar.

2.

Adjust wheel alignment.

 

3.

Tires incorrectly installed.

3.

Re-install tires.

 

4.

Bent or worn out blade.

4.

Replace blade.

 

5.

Wheels out of balance.

5.

Replace wheels.

 

 

 

 

 

G8976 3 Wheel 12" Bandsaw

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Image 41
Contents Wheel 12 Bandsaw Page Table of Contents Safety Instructions For Power Tools SafetyAMP Rating LengthAdditional Safety Instructions For Bandsaws Introduction Volt Circuit Requirements110V Operation GroundingExtension Cords Machine Features Page G8976 Inventory SET UPUnpacking Bolt Measure Hardware Recognition ChartWeight Load Clean UpSite Considerations Working ClearanceTo attach the base feet to the bandsaw Beginning AssemblyBase Feet Sliding the trunnion onto the table G8976 3 Wheel 12 Bandsaw To attach the table to the bandsawTo assemble the miter gauge Miter GaugeBench Mounting Dust CollectionTo attach a dust collection hose To mount the bandsaw to a workbenchCenter Tracking Blade TrackingStart Up To tension the bandsaw blade Tensioning BladeFinal blade tensioning requires the machine to be started To adjust the support bearings Adjusting Support BearingsAdjusting Blade Guides Trunnion Scale Pointer To adjust the trunnion scale pointerPage Operations Operation Safety Guide PostTo perform a rip cut Table Tilt RippingTo perform a resaw cut CrosscuttingResawingTo perform a 90˚ crosscut To skew the fence Blade LeadTo correct blade lead To perform a stacked cut Cutting CurvesStacked Cuts Blade Width Blade SpeedBlade Selection Tooth Pitch Tooth StyleBlade Care Blade BreakageMost common causes of blade breakage are Schedule MaintenanceMaintenance Safety Date Approximate Hours Of Use Maintenance Performed Maintenance LogMotor Brushes Blade ChangesReference Info Aftermarket AccessoriesGeneral Bandsaw Blades Machine Data Sheet Parts Diagrams & Lists Description Troubleshooting Warranty & Returns Warranty Card BOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCPage #ALL 4ODAYD&ORO