American Dryer Corp. ADG-385 - Manual (Page 28)

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C. Sail Switch Assembly
The sail switch is a heat circuit safety device which controls the heat circuit ONLY. When the dryer is
operating and there is proper air flow the sail switch damper pulls in and closes the sail switch.
Providing all the other heat-related circuits are functioning properly. If an improper air flow occurs, the
sail switch damper will release, and the circuit will open.
IMPORTANT: UNDER NO CIRCUMSTANCES SHOULD HEAT CIRCUIT SAFETY
DEVICES EVER BE DISABLED.
To Replace Sail Switch
1. Discontinue power to dryer.
2. Remove the two (2) screws which hold the sail switch box.
3. Disconnect the two (2) wires from the switch.
4. Disassemble sail switch from mounting bracket by removing the two (2) screws securing the switch in
place.
5. Reverse this procedure for installing new sail switch. Adjust sail switch as described in the next section.