Grizzly G0659 owner manual Service, Troubleshooting, Motor & Electrical

Page 39

SECTION 7: SERVICE

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.

Troubleshooting

Motor & Electrical

Symptom

 

Possible Cause

Possible Solution

Machine does not

1.

Plug/receptacle is at fault or wired incorrectly.

1.

Test for good contacts; correct the wiring.

start or a breaker

2.

Motor connection wired incorrectly.

2.

Correct motor wiring connections.

trips.

 

3.

Wall fuse/circuit breaker is blown/tripped.

3.

Ensure circuit size is suitable for this machine;

 

 

 

 

 

 

 

replace weak breaker.

 

 

4.

Power supply switched OFF or is at fault.

4.

Ensure power supply is switch on; ensure power

 

 

 

 

 

supply has the correct voltage.

 

 

5.

Wiring is open/has high resistance.

5.

Check for broken wires or disconnected/corroded

 

 

 

 

 

connections, and repair/replace as necessary.

 

 

6.

Motor ON/OFF switch is at fault.

6.

Replace faulty ON/OFF switch.

 

 

7.

Motor is at fault.

7.

Test/repair/replace.

 

 

 

 

 

Machine stalls or

1.

Feed rate/cutting speed too fast for task.

1.

Decrease feed rate/cutting speed (Page 19/Page

is overloaded.

 

 

 

30).

 

 

2.

Machine is undersized for the task.

2.

Use sharp blade with lower TPI; reduce the feed

 

 

 

 

 

rate/depth of cut.

 

 

3.

Blade is slipping on wheels.

3.

Adjust blade tracking and tension to factory

 

 

 

 

 

specifications (Page 29/Page 26).

 

 

4.

Motor connection is wired incorrectly.

4.

Correct motor wiring connections.

 

 

5.

Plug/receptacle is at fault.

5.

Test for good contacts; correct the wiring.

 

 

6.

Pulley/sprocket slipping on shaft.

6.

Replace loose pulley/shaft.

 

 

7.

Motor is at fault.

7.

Test/repair/replace.

 

 

 

 

 

 

Machine

has

1.

Motor or component is loose.

1.

Inspect/replace stripped or damaged bolts/nuts, and

vibration or noisy

 

 

 

re-tighten with thread locking fluid.

operation.

 

2.

Blade weld is at fault or teeth are broken.

2.

Replace blade.

 

 

 

 

3.

Blade is at fault.

3.

Replace warped, bent, or twisted blade; resharpen

 

 

 

 

 

dull blade.

 

 

4.

V-belt worn or loose.

4.

Inspect/replace belt.

 

 

5.

Pulley is loose.

5.

Realign/replace shaft, pulley, setscrew, and key as

 

 

 

 

 

required.

 

 

6.

Motor mount loose/broken.

6.

Tighten/replace.

 

 

7.

Machine is incorrectly mounted or sits

7.

Tighten/replace anchor studs in floor; relocate/shim

 

 

 

unevenly.

 

machine.

 

 

8.

Motor fan is rubbing on fan cover.

8.

Replace dented fan cover; replace loose/damaged

 

 

 

 

 

fan.

 

 

9.

Motor bearings are at fault.

9.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

 

requires bearing replacement.

 

 

 

 

 

 

G0659  9" x 14" Vertical Metal-Cutting Bandsaw

-37-

Image 39
Contents Model G0659 Ss ,EAD from Leadbased PAINTS Table of Contents Introduction Foreword Functional OverviewContact Info Identification Machine Data Sheet Main Specifications Cutting Capacity  !,7!93 53%3 %!2.2 02/4%#4/ %. /0%2!4.! -!#.%29 #4/..3!&%493AFETYYNSTRUCTIONSSFORR-ACHINERY Safety Instructions for Metal Cutting Bandsaws Circuit Requirements 220V Single-PhaseMain Components Figure Qty SetupSetup Safety Inventory UnpackingFloor Load Clean UpPlacement Location Site ConsiderationsTo level the machine Moving & PlacingLeveling Machine Tools Needed QtyTo remove the shipping bracket Mounting to Shop FloorRemoving Shipping Bracket Bolting to Concrete FloorsTo assemble the bandsaw AssemblyTo test run the machine Recommended AdjustmentsFactory adjustments that should be verified Test RunOperations Operation Safety Basic ControlsUpper Wheel Tracking Adjustment Adjusts blade tracking Counterweight controlsClamp Vise Removal Angle AdjustmentsClamp Vise installation Clamp ViseFeed Rate To adjust the depth of cutTo adjust the feed rate Cutting DepthTo adjust the feed pressure Feed Pressure Guide PostTo properly position the guide post To lock the blade in the forward position Adjusting Saw Frame StopTo adjust the saw frame stop Locking BladeBlade Width Blade SelectionBlade Terminology Blade LengthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPIBlade Break-In Blade BreakageBlade Care Break-In Blade CareBlade Tensioning Blade ChangesTo correctly tension the blade Upper and Lower Guide Bearing Adjustment Adjusting Blade GuidesTo position the lower blade guide assembly Lower Blade Guide Assembly AdjustmentUpper Blade Guide Assembly Adjustment To position the upper blade guide assemblyBlade Tracking Changing Speeds Changes in the blade tension may change the blade trackingTo change the blade speed Workpiece Inspection Cutting TipsTanks, Cylinders, Containers, Valves, Etc To prepare the G0659 for freehand cuts Straight Cuts Freehand CutsActions Chip Inspection ChartAdditional AppearanceG1928-Bandsaw Handbook AccessoriesGrizzly Bandsaw Blades G7315-Super Heavy-Duty Mobile BaseRedressing Rubber Tires MaintenanceCleaning ScheduleChip Tray LubricationService TroubleshootingMotor & Electrical Miscellaneous Cutting OperationsTo check/replace the V-belt TensioningReplacing V-Belt To align the V-belt pulleysWheel Alignment Materials Needed QtyTo check if the wheels are parallel and copla- nar To adjust the wheel coplanarity Upper wheel adjustmentsBlade Scraper Wheel Brush To adjust the blade scraper and brush110 VAC G0659 Wiring DiagramG0659 Electrical Components Motor junction box wiringSee Figure G0659 Hydraulic System SchematicUpper Saw Frame Breakdown Description Upper Saw Frame Parts ListLower Saw Frame Breakdown and Parts List Gearbox Breakdown and Parts List Drive Unit Breakdown and Parts List Table Base Parts Breakdown Table Base Parts List Cabinet Base Breakdown and Parts List Safety Labels Breakdown and Parts List 22!.49 #!2$ 99.$5342!, .# 0//88 %,,.!- 7!  Warranty and Returns #ALL 4ODAYD&ORO! &2%%