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

1.

Switch disabling key is removed.

1.

Install switch disabling key.

start or

a breaker

2.

Plug/receptacle is at fault or wired incor-

2.

Test for good contacts; correct the wiring.

trips.

 

 

rectly.

 

 

 

 

 

 

 

 

 

3.

Start capacitor is at fault.

3.

Test/replace if faulty.

 

 

4.

Motor connection wired incorrectly.

4.

Correct motor wiring connections.

 

 

5.

Wall fuse/circuit breaker is blown/tripped.

5.

Ensure circuit size is suitable for this machine; repair

 

 

 

 

 

short; replace weak breaker.

 

 

6.

Power supply is at fault/switched OFF.

6.

Ensure power supply is switch on; ensure power

 

 

 

 

 

supply has the correct voltage.

 

 

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.

Workpiece material is not suitable for this

1.

Only cut wood products; make sure moisture content

underpowered.

 

machine.

 

is below 20% and there are no foreign materials in

 

 

 

 

 

the workpiece.

 

 

2.

Machine is undersized for the task.

2.

Use sharp blade with lower TPI; reduce the feed

 

 

 

 

 

rate.

 

 

3.

Plug/receptacle is at fault.

3.

Test for good contacts; correct the wiring.

 

 

4.

Motor connection is wired incorrectly.

4.

Correct motor wiring connections.

 

 

5.

Motor bearings are at fault.

5.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

 

requires bearing replacement.

 

 

6.

Motor has overheated.

6.

Clean off motor, let cool, and reduce workload.

 

 

7.

Motor is at fault.

7.

Test/repair/replace.

 

 

8.

Centrifugal switch is at fault.

8.

Adjust/replace centrifugal switch if available.

 

 

 

 

 

 

Machine

has vibra-

1.

Motor or component is loose.

1.

Inspect/replace stripped or damaged bolts/nuts, and

tion or noisy opera-

 

 

 

re-tighten with thread locking fluid.

tion.

 

2.

Motor fan is rubbing on fan cover.

2.

Replace dented fan cover; replace loose/damaged

 

 

 

 

 

 

 

fan.

 

 

3.

Blade is at fault.

3.

Replace warped, bent, or twisted blade; resharpen

 

 

 

 

 

dull blade.

 

 

4.

Loose/missing rubber feet.

4.

Replace feet.

 

 

5.

Motor mount loose/broken.

5.

Tighten/replace.

 

 

6.

Motor bearings are at fault.

6.

Test by rotating shaft; rotational grinding/loose shaft

 

 

 

 

 

requires bearing replacement.

 

 

 

 

 

 

-22-

H8145 Baby Table Saw

Page 24
Image 24
Grizzly H8145 owner manual Service, Troubleshooting, Motor & Electrical