Grizzly G9249 owner manual Faceplate

Models: G9249

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Motor & Electrical (continued)

Symptom

Possible Cause

Possible Solution

Machine stalls or is

1.

Wrong workpiece material.

1.

Only process metal that has the correct properties

overloaded.

 

 

 

for your type of machining.

 

2.

Workpiece alignment is at fault.

2.

Re-center and properly secure workpiece in chuck or

 

 

 

 

faceplate.

 

3.

Incorrect spindle speed for task.

3.

Correctly set V-belts and gearing for your operation

 

 

 

 

(Page 51).

 

4.

Low power supply.

4.

Make sure all hot lines and grounds are operational

 

 

 

 

and have correct voltage.

 

5.

Run capacitor is at fault.

5.

Test and replace if necessary.

 

6.

V-belt(s) is slipping.

6.

Check V-belts and re-tension; replace if necessary

 

 

 

 

(Page 51).

 

7.

Plug or receptacle is at fault.

7.

Test power plug and receptacle for good contact and

 

 

 

 

correct wiring.

 

8.

Motor connection is wired incorrectly.

8.

Correct motor wiring (Page 66).

 

9.

Motor bearings are at fault.

9.

Rotate motor shaft to check for noisy or burnt

 

 

 

 

bearing; repair/replace as necessary.

 

10. Machine is undersized for the task.

10. Use sharp cutting tools at the correct angle, reduce

 

 

 

 

feed rate or depth of cut, and use coolant if

 

 

 

 

possible.

 

11. Motor has overheated.

11. Clear obstacles away from the motor fan cover, let

 

 

 

 

motor cool, and reduce workload on machine.

 

12. Spindle switch is at fault.

12. Test; replace if necessary.

 

13. Motor is at fault.

13. Test/repair/replace.

 

14. Centrifugal switch is at fault.

14. Adjust/replace.

 

 

 

 

 

-54-

G9249  12" x 37" Belt Drive Gap Bed Lathe

Page 56
Image 56
Grizzly G9249 owner manual Faceplate