GE GTUP270EMWW Technical Service Manual page 40

Mode Shifter Assembly and Drive Gear
Agitate/Idle Position
Transmission Pulley
Note: Wax motor not energized for agitate mode; the shifter fork is held in the upward position by the fork
spring that releases the drive gear that controls power to the spin tube. In this mode, all power is delivered to
the transmission agitator shaft.
Transmission Pulley
Note: Wax motor energized for spin mode; the wax motor receives 120 VAC from the control and the lid lock
system. The expansion of the wax in the thermoactuator presses on the shifter fork which in turn engages
the drive gear for the transmission spin tube.
Drive Gear
Spin Position
Drive Gear
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Wax Motor Pin Retracted
Wax Motor Pin Extended