Drive Motor
There are two different horsepower
motors. One third and one half
horsepower motors. The GTW485,
GTW490 and GTW680 models have the
half horsepower motor. They are both
120 VAC reversible motors .
Resistances are 1/2 hp.- Blue - Red
and Blue - Yellow approx. 3.1 ohm.
1/3
rd
hp. Approx. 3.8 ohm from J511
board connector.
To remove the motor:
Remove the belt and fan pulley. The
pulley is held on by a 9/16 in. lock nut.
Use a new nut when reinstalling the
pulley and torque to 110 in-lbs.
Disconnect the motor harness
connector.
Push here
Pull out
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