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Grizzly G9860 owner manual Service, Troubleshooting, Motor & Electrical

Models: G9860

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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

1.

Stop push-button engaged/faulty.

1.

Rotate button to reset/replace it.

not start or a

2.

Power supply switched OFF or at fault.

2.

Ensure power supply is on/has correct voltage.

breaker trips.

3.

Plug/receptacle at fault/wired wrong.

3.

Test for good contacts; correct the wiring.

 

 

4.

Motor connection wired wrong.

4.

Correct motor wiring connections (Page 48).

 

5.

Thermal overload relay has tripped.

5.

Reset; adjust trip load dial if necessary; replace.

 

6.

Wall circuit breaker tripped.

6.

Ensure circuit size is correct/replace weak breaker.

 

7.

Contactor not energized/has poor contacts.

7.

Test all legs for power/replace if faulty.

 

8.

Wiring open/has high resistance.

8.

Check/fix broken, disconnected, or corroded wires.

 

9.

Motor ON/OFF switch at fault.

9.

Replace switch.

 

10. Brake switch at fault (G9953, G9953ZX

10. Inspect/replace switch.

 

 

& G9953ZXF only).

 

 

 

11. Motor at fault.

11. Test/repair/replace.

 

 

 

 

 

Machine stalls

1.

Feed rate/cutting speed too fast.

1.

Decrease feed rate/cutting speed.

or is underpowered.

2.

Workpiece material not suitable for

2.

Only cut wood/ensure moisture is below 20%.

 

 

machine.

 

 

 

3.

Dust collection ducting problem.

3.

Clear blockages, seal leaks, use smooth wall

 

 

 

 

duct, eliminate bends, close other branches.

 

4.

V-belt(s) slipping.

4.

Tension/replace belt(s); ensure pulleys are

 

 

 

 

aligned (Page 35).

 

5.

Motor wired incorrectly.

5.

Wire motor correctly (Page 48).

 

6.

Plug/receptacle at fault.

6.

Test for good contacts/correct wiring.

 

7.

Pulley/sprocket slipping on shaft.

7.

Replace loose pulley/shaft.

 

8.

Motor bearings at fault.

8.

Test/repair/replace.

 

9.

Machine undersized for task.

9.

Use sharp knives/inserts; reduce feed rate/

 

 

 

 

depth of cut.

 

10. Contactor not energized/has poor contacts.

10. Test all legs for power/replace if faulty.

 

11. Motor overheated.

11. Clean motor, let cool, and reduce workload.

 

12. Motor at fault.

12. Test/repair/replace.

 

 

 

 

 

Machine has

1.

Motor or component loose.

1.

Inspect/replace damaged bolts/nuts, and

vibration or

 

 

 

re-tighten with thread locking fluid.

noisy operation.

2.

Knives/gibs at fault.

2.

Resharpen/replace knives; set knife alignment/

 

 

 

 

 

height correctly.

 

3.

V-belt(s) worn or loose.

3.

Inspect/replace belts with a new matched set.

 

4.

Pulley loose.

4.

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

 

5.

Machine incorrectly mounted.

5.

Tighten mounting bolts; relocate/shim machine.

 

6.

Motor fan rubbing on fan cover.

6.

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

 

7.

Motor bearings at fault.

7.

Test by rotating shaft; rotational grinding/loose

 

 

 

 

shaft requires bearing replacement.

 

 

 

 

 

-36-

 

 

 

Extreme Series Jointer (Mfg. Since 9/11)

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Grizzly G9860 owner manual Service, Troubleshooting, Motor & Electrical
Page 37 Page 39

G9860 specifications

The Grizzly G9859, G9860, G9861, and G9860ZX are an impressive lineup of high-quality, precision-engineered woodworking machines designed for both hobbyists and professional woodworkers. These machines embody Grizzly's commitment to advanced technology and innovative design, making them essential tools in any woodshop.

The G9859 is a versatile horizontal band saw that offers users enhanced cutting capabilities with its powerful motor and robust construction. One of its standout features is the precision-machined guide system, which ensures accurate cuts every time. The saw's adjustable cutting height and width settings allow it to handle a variety of materials, making it ideal for both intricate and large-scale projects. The G9859 also comes equipped with a heavy-duty steel frame that minimizes vibration, promoting smooth operation.

Next in the lineup is the G9860, a remarkable vertical band saw that excels in both performance and user-friendliness. Featuring an oversized cast iron table, the G9860 provides ample workspace for larger projects. The table can be easily adjusted for bevel cuts, making it a versatile choice for woodworkers looking to enhance their skill set. The saw’s integrated light and adjustable blade guards improve visibility and safety while working.

The G9861 is a powerful jointer that offers professional-grade performance. With its quick-adjust infeed and outfeed tables, this machine makes jointing boards a breeze. The G9861 features a helical cutter head, ensuring a cleaner cut and minimizing noise during operation. This feature is particularly beneficial for users looking for a finish quality that stands out in any woodworking project.

Lastly, the G9860ZX combines the features of a table saw and a cabinet saw, catering to users who need both functionalities. Its robust construction, paired with an impressive motor capacity, allows for smooth and efficient cuts. The G9860ZX is designed with a quick-release fence system, making adjustments fast and easy.

Overall, the Grizzly G9859, G9860, G9861, and G9860ZX represent the forefront of woodworking technology. With features that prioritize precision, safety, and ease of use, these machines are excellent additions to any workshop, whether for small projects or large-scale production runs. With Grizzly's reputation for quality, users can trust these models to deliver performance that meets and exceeds expectations in woodworking applications.