Grizzly G0724 owner manual Service, Troubleshooting, Motor & Electrical

Page 24

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663. Note: Please gather the serial number and manufacture date of your machine before calling.

Troubleshooting

Motor & Electrical

Symptom

Possible Cause

Possible Solution

 

 

 

 

Machine does not

1. Switch disabling key removed.

1.

Reinstall switch disabling key.

start.

2.

Power supply switched off/has incorrect

2.

Switch power supply on/verify voltage.

 

 

 

voltage.

 

 

 

3.

Blown fuse/tripped circuit breaker at main

3.

Correct the cause of overload, then reset/replace

 

 

panel.

 

fuse or breaker.

 

4.

Break or short in wiring, loose connections,

4.

Trace/replace broken or corroded wires, fix loose

 

 

plug or receptacle is damaged or miswired.

 

connections, correct wiring.

 

5.

Motor connection wired incorrectly.

5.

Wire motor correctly (refer to inside junction box

 

 

 

 

cover or manual).

 

6.

Motor ON/OFF switch at fault.

6.

Replace switch.

 

7.

Start capacitor has blown.

7.

Test/replace if at fault.

 

8.

Motor at fault.

8.

Test for shorted windings or bad bearings; repair or

 

 

 

 

replace.

 

 

 

 

Machine has

1. Workpiece loose or incorrectly secured.

1.

Use correct holding fixture and re-clamp workpiece.

excessive vibration

2.

Lock lever is loose.

2.

Tighten the lock lever.

or noise.

3.

Machine incorrectly mounted to bench.

3.

Level/shim base; tighten/adjust mounting hardware

 

 

 

 

 

or feet.

 

4.

Motor fan rubbing on fan cover.

4.

Fix/replace fan cover; replace loose or damaged fan.

 

5.

Motor mounting loose.

5.

Tighten mounting bolts/nuts; use thread locking fluid.

 

6.

Centrifugal switch out of adjustment; at fault.

6.

Adjust/replace centrifugal switch.

 

7.

Motor bearings worn or damaged.

7.

Replace motor bearings or replace motor.

 

 

 

 

Machine stalls

1. Too much pressure when feeding workpiece

1.

Reduce pressure when feeding workpiece.

or slows when

2.

Workpiece is incorrect for machine.

2.

Only sand wood and ensure moisture is below 20%.

operating.

3.

Motor overheated.

3.

Let cool, clean motor, and reduce workload.

 

 

4.

Motor at fault.

4.

Test, repair, or replace motor.

 

 

 

 

 

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Model G0724 (Mfg. Since 09/11)

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Contents Model G0724 Disc Sander Page Table of Contents Introduction Manual Accuracy Contact InfoMachine Description Identification G0724 controls and componentsMachine Data Sheet Safety Safety Instructions for MachineryPage Additional Safety for Disc Sanders Power Supply AvailabilityFull-Load Current Rating Circuit RequirementsGrounding & Plug Requirements Extension CordsMinimum Gauge Size 50 ftSetup Needed for SetupInventory UnpackingCleanup Before cleaning, gather the followingBasic steps for removing rust preventative Site Considerations MountingAssembly Machine Base WorkbenchTools Needed Qty To assemble the sanderDust Collection Power Connection Connecting PowerDisconnecting Power To install the dust collection bagTest Run To test run the machineOperations Operation OverviewReplacing Sandpaper Disc SandingTo replace the sanding disc To use the disc sander Miter slot and work path RotationAccessories Respirators Dust CollectorsMaintenance CleaningSchedule LubricationService TroubleshootingMotor & Electrical Workpiece Finish Miter Gauge Calibration Table Tilt CalibrationTo calibrate the miter gauge To calibrate the table tiltWiring Wiring Safety InstructionsWiring Diagram 110 VACParts MainMain Parts List DescriptionLabels Model G0724 Mfg. Since 09/11 Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty & Returns Order Hours a DAY
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