Grizzly G0659 - Manual (Page 39)

g0659 9" x 14" Vertical Metal-Cutting Bandsaw
-37-
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.
SECTION 7: SERVICE
Troubleshooting
Motor & Electrical
symptom possible Cause possible solution
Machine does not
start or a breaker
trips. 1. plug/receptacle is at fault or wired incorrectly.
2. Motor connection wired incorrectly.
3. Wall fuse/circuit breaker is blown/tripped.
4. power supply switched oFF or is at fault.
5. Wiring is open/has high resistance.
6. Motor on/oFF switch is at fault.
7. Motor is at fault.
1. test for good contacts; correct the wiring.
2. Correct motor wiring connections.
3. ensure circuit size is suitable for this machine;
replace weak breaker.
4. ensure power supply is switch on; ensure power
supply has the correct voltage.
5. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
6. replace faulty on/oFF switch.
7. test/repair/replace.
Machine stalls or
is overloaded. 1. Feed rate/cutting speed too fast for task.
2. Machine is undersized for the task.
3. Blade is slipping on wheels.
4. Motor connection is wired incorrectly.
5. plug/receptacle is at fault.
6. pulley/sprocket slipping on shaft.
7. Motor is at fault.
1. decrease feed rate/cutting speed ( page 19/page
30).
2. use sharp blade with lower tpi; reduce the feed
rate/depth of cut.
3. Adjust blade tracking and tension to factory
specifications ( page 29/page 26).
4. Correct motor wiring connections.
5. test for good contacts; correct the wiring.
6. replace loose pulley/shaft.
7. test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component is loose.
2. Blade weld is at fault or teeth are broken.
3. Blade is at fault.
4. V-belt worn or loose.
5. pulley is loose.
6. Motor mount loose/broken.
7. Machine is incorrectly mounted or sits
unevenly.
8. Motor fan is rubbing on fan cover.
9. Motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. replace blade.
3. replace warped, bent, or twisted blade; resharpen
dull blade.
4. inspect/replace belt.
5. realign/replace shaft, pulley, setscrew, and key as
required.
6. tighten/replace.
7. tighten/replace anchor studs in floor; relocate/shim
machine.
8. replace dented fan cover; replace loose/damaged
fan.
9. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.