Grizzly G0452 User Manual

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Model G0452/P/Z (Mfg. Since 08/12)
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.
SECTION 7: SERVICE
Troubleshooting
Symptom Possible Cause Possible Solution
Motor will not start.
1. Emergency stop button depressed.
2. Low voltage.
3. Open circuit in motor or loose
connections.
1. Lift the cover on the emergency stop
button to allow it to pop out.
2. Check power line for proper voltage.
3. Inspect all lead connections on motor
for loose or open connections.
Fuses or circuit breakers blow. 1. Short circuit in line cord or plug. 1. Repair or replace cord or plug for
damaged insulation and shorted
wires.
Motor fails to develop full power (output
of motor decreases rapidly with decrease
in voltage at motor terminals).
1. Power supply circuit overloaded with
lights, appliances, and other motors.
2. Undersized wires or circuits too long.
1. Reduce load on circuit.
2. Increase wire sizes or reduce length
of the circuit.
Motor overheats. 1. Motor overloaded during operation.
2. Air circulation through the motor
restricted.
1. Reduce load on motor; take lighter
cuts.
2. Clean out motor to provide normal air
circulation.
Motor stalls or shuts off during a cut. 1. Motor overloaded during operation.
2. Short circuit in motor or loose
connections.
3. Circuit breaker tripped.
1. Reduce load on motor; take lighter
cuts.
2. Repair or replace connections on
motor for loose or shorted terminals
or worn insulation.
3. Install correct circuit breaker; reduce
# of machines running on that circuit.
Blade slows when cutting or makes a
squealing noise, especially on start-up.
1. V-belt loose.
2. V-belt worn out.
1. Tighten V-belt (Page 20).
2. Replace V-belt (Page 20).
Loud repetitious noise coming from
machine.
1. Pulley setscrews or keys are missing
or loose.
2. Motor fan is hitting the cover.
3. V-belts are damaged.
1. Inspect keys and setscrews. Replace
or tighten if necessary.
2. Adjust fan cover mounting position,
tighten fan, or shim fan cover.
3. Replace V-belts (Page 20).
Vibration when running or cutting. 1. Loose or damaged blade.
2. Damaged V-belt.
3. Worn cutterhead bearings.
1. Tighten or replace blade.
2. Replace.
3. Check/replace cutterhead bearings.
Motor & Machine Operation

Grizzly G0452 Specifications

General

Brand	Grizzly
Model	G0452
Category	Power Tool
Language	English