Grizzly G0659 用户手册
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.
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.
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.
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.
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;
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.
7. test/repair/replace.
Machine stalls or
is overloaded.
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.
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.
5. test for good contacts; correct the wiring.
6. replace loose pulley/shaft.
7. test/repair/replace.
Machine
has
vibration or noisy
operation.
operation.
1. Motor or component is loose.
2. Blade weld is at fault or teeth are broken.
3. Blade is at fault.
3. Blade is at fault.
4. V-belt worn or loose.
5. pulley is loose.
5. pulley is loose.
6. Motor mount loose/broken.
7. Machine is incorrectly mounted or sits
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
3. replace warped, bent, or twisted blade; resharpen
dull blade.
4. inspect/replace belt.
5. realign/replace shaft, pulley, setscrew, and key as
5. realign/replace shaft, pulley, setscrew, and key as
required.
6. tighten/replace.
7. tighten/replace anchor studs in floor; relocate/shim
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.