Motor - Troy-Bilt Flurry 1400 Professional Shop Manual

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Motor

The motor used on this snow thrower is an AC universal motor that is not serviceable. Before troubleshooting an
electric motor, check the easy stuff like the circuit breaker and make sure the snow thrower is plugged into a working
power source.
Back probe the motor connections
Figure 2.12
8. The DMM should read source voltage.
NOTE: If the DMM does not read source voltage, back trace the harness to find the problem before condemn-
ing the motor.
9. If the DMM reads source voltage, but the motor does not turn:
9a. Disconnect the power source.
9b. Try to spin the auger by hand.
NOTE: The technician should be able to spin the motor by spinning the auger. If the motor does not spin,
check for binding loads in the belt drives. If the motor does spin, replace it.
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To test the motor:
1. Disconnect the power supply to the snow thrower.
2. Move the snow thrower to a safe area.
3. Remove the motor cover by following the procedures
described in the upper synchronous belt section of
Chapter 3: Belts and Pulleys.
4. Set a DMM to the VAC (Volts AC) mode.
5. Back probe the motor side of the motor harness con-
nectors. See Figure 2.12.
NOTE: Paper clips can be inserted into the back side of
the connectors and used as extensions for the
DMM probes. See Figure 2.12.
6. Connect the snow thrower to a power source.
7. Operate the control bail of the snow thrower.
Electrical
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