Grizzly G9742 owner manual Service, Troubleshooting, Symptom Possible Cause Possible Solution

Page 29

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix your machine if a problem develops. 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 start

1.

Plug/receptacle is at fault or wired incorrectly.

1.

Test for good contacts; correct the wiring.

or a breaker trips.

2.

Start capacitor is at fault.

2.

Test/replace if faulty.

 

3.

Wall fuse/circuit breaker is blown/tripped.

3.

Ensure correct size for machine load; replace

 

 

 

 

weak breaker.

 

4.

Motor connection wired incorrectly.

4.

Correct motor wiring connections.

 

5.

Power supply is at fault/switched OFF.

5.

Ensure hot lines have correct voltage on all

 

 

 

 

legs and main power supply is switched ON.

 

6.

Motor ON/OFF switch is at fault.

6.

Replace faulty ON/OFF switch.

 

7.

Wiring is open/has high resistance.

7.

Check for broken wires or disconnected/

 

 

 

 

corroded connections, and repair/replace as

 

 

 

 

necessary.

 

8.

Motor is at fault.

8.

Test/repair/replace.

Machine stalls or is

1.

Wrong blade for the workpiece material.

1.

Use blade with correct properties for your type

underpowered.

 

 

 

of cutting.

 

2.

Wrong workpiece material.

2.

Use metal with correct properties for your type

 

 

 

 

of cutting.

 

3.

Feed rate/cutting speed too fast for task.

3.

Decrease feed rate/cutting speed.

 

4.

Blade is slipping on wheels.

4.

Adjust blade tracking and tension.

 

5.

Low power supply voltage.

5.

Ensure hot lines have correct voltage on all

 

 

 

 

legs.

 

6.

Motor bearings are at fault.

6.

Test by rotating shaft; rotational grinding/loose

 

 

 

 

shaft requires bearing replacement.

 

7.

Plug/receptacle is at fault.

7.

Test for good contacts; correct the wiring.

 

8.

Motor connection is wired incorrectly.

8.

Correct motor wiring connections.

 

9.

Motor has overheated.

9.

Clean off motor, let cool, and reduce

 

 

 

 

workload.

 

10. Motor is at fault.

10. Test/repair/replace.

 

 

 

 

 

Machine has vibration

1.

Motor fan is rubbing on fan cover.

1.

Replace dented fan cover; replace loose/

or noisy operation.

 

 

 

damaged fan.

 

2.

Blade is at fault.

2.

Replace/resharpen blade.

 

3.

Gearbox is at fault.

3.

Rebuild gearbox for bad gear(s)/bearing(s).

 

4.

Wrong blade & too slow of speed.

4.

Change blade and or speed.

 

 

 

 

 

G9742 5" x 6" Metal Cutting Bandsaw

-27-

Image 29
Contents Model G9742 Ss ,EAD from Leadbased PAINTS Table of Contents Contact Info IntroductionForeword Machine Data Sheet Other Identification Safety Instructions for Machinery SafetyKeep CHILDREN/VISITORS Away Hearing Protection & Hazards Additional Safety Instructions for Metal Cutting BandsawsGZXZeiVXaZhdlcc dg%K# Circuit Requirements110/220V Operation Set Up Safety SET UPItems Needed for Set Up UnpackingInventory Assembly HardwareBox 1 Figure Qty VgYlVgZhidgZ#Site Considerations Clean UpG2544-Solvent Cleaner & Degreaser Cabinet, Wheels Feet To install the wheels, feet, and the cabinetComponents and Hardware Needed Qty  IgZVYV¿-&+ZmcjidcWdiZZi#chiVaac\g\ieVcZa# #AZiEVcZachiVaaZY#To remove the shipping strap and adjust the feed stop bolt Shipping Strap Stop AdjustmentSquaring Vise to Blade To square the vise to the bladeChip Tray & Cast Iron Stop To install the chip tray and cast iron stopOFF Button Lever To set the OFF button lever stop bolt JCEAJI=76C9H6L Pulley CoverVidcZdigZZheZZYh# Test Run Factory adjustments that should be verifiedStarting the machine  GZVYiZZcigZchigjXidcbVcjVa#Blade Speed Operation SafetyOperations To select the correct blade TPI Blade SelectionKVakZAZkZg ZZYGViZ9Va Feed RateTo set the feed rate  8aVbeiZldg`eZXZciZiVWaZkhZ#Blade Guides To adjust the guide bearingsOperation Tips Blade TensionTo tension the blade on the bandsaw Tips for horizontal cuttingPower Twist V-Belts H9815-A 1⁄2 x AccessoriesIZ7aVYZIZchdcc\Vj\ZZchjgZhadc\WaVYZ T20640-Machinery’s HandbookT20502 T20452 T20503 T20448 T20456 H0736 IZhZ\aVhhZhbZZi6CHO-,#&%%heZXXVXVciWZiddXVgZjalihdehVZin Cleaning MaintenanceSchedule LubricationSymptom Possible Cause Possible Solution ServiceTroubleshooting Bandsaw Operations To change the bandsaw blade Blade ChangeHVZin Hide JYZBlade Tracking To adjust the blade tracking on the bandsaw11. GZViiVXiZZZYXnacYZg# Blade GuidesdcPageHliXlgc\gZVgkZl# VeVXidg#220V Connection G9742 Wiring Diagram110V Connection Saw Parts Breakdown Description Saw Parts ListStand Parts Breakdown Positioning Ring Stand Parts List + +& +% Guides & Shafts Parts Breakdown378-1 Labels Parts Breakdown378 379 382 381 380 383TTTT 8VgY9ZX`  Tttt LZWhiZ TTTT DiZg TTTT 6YkZgihZbZci  Tttt gZcY8VWcZiBV`Zg IdYVn»h=dbZdlcZgHZcYVgooan8ViVad\idVgZcY EaVXZ HiVbe =ZgZ$5342!, .# 0/ /8  %,,.!- 7!  22!.49 !.$ 2%452.3 Order Hours a DAY