
Form No. 43539470
Oct 2019 A
–22–
15.2)
REMOVAL OF AIR PROVING (SAIL) SWITCH
Replacement procedure:
1.
Rotate the latching knob and open the door at the motor and blower compartment.
2.
Disconnect the lead wires from the switch.
3.
Remove the (2) sheet metal screws holding the sail switch and housing sub-assembly.
4.
Remove clip on cover and the (2) nuts holding the sail switch to the housing.
5.
Replace the switch in the reverse order. Note: Refer to the wiring connection diagrams in section 9.0.