Grizzly G0548Z - Manual (Page 40)

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g0548zp, g1028z2, g1029z2-z2p (mfg. 12/12+)
troubleshooting
motor & electrical
review the troubleshooting and procedures in this section if a problem develops with your machine. if you
need replacement parts or additional help with a procedure, call our technical support at (570) 546-9663.
note: Please gather the serial number and manufacture date of your machine before calling.
to reduce the risk of serious personal injury or damage to the machine, any repairs not covered in this
manual should only be performed by or with the assistance of qualified service personnel.
section 8: service
symptom possible Cause possible solution
machine does
not start or a
breaker trips. 1. switch disabling key removed.
2. power supply switched
OFF or is at fault.
3. Wall fuse/circuit breaker is blown/tripped.
4. Wiring is open/has high resistance.
5. motor on/oFF switch is at fault.
6. motor is at fault.
1. install switch disabling key.
2. Ensure power supply is switched
ON; ensure
power supply has the correct voltage.
3. Ensure circuit size is suitable for this
machine; replace weak breaker.
4. Check for broken wires or disconnected/
corroded connections, and repair/replace as
necessary.
5. replace faulty on/oFF switch.
6. test/repair/replace.
machine has
vibration or
noisy operation. 1. motor, motor mount, or other mounting
component is loose or broken.
2. machine is incorrectly "mounted" or
sits unevenly on its casters.
3. motor fan is rubbing on fan cover.
4. impeller is loose or damaged and
unbalanced.
5. motor bearings are at fault.
1. retighten. Use thread locking fluid if necessary.
replace stripped fasteners or damaged
components if necessary.
2. tighten/replace anchor studs in floor if mounted;
chock machine casters if mobile.
3. replace dented fan cover; replace loose/
damaged fan.
4. disconnect dust collector from power, and
inspect the impeller for dents, bends, loose
fins. replace the motor and impeller as a set if
the motor shaft and the impeller hub are damaged.
5. test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.