American Dryer Corp. ML-170 User Manual
22
To Replace Lint Compartment Hi-Heat Protector (225º F [107º C]) Thermostat
This thermostat is part of the “sensor bracket assembly” and is secured to the underside of the tumbler (basket)
wrapper in the lint compartment. As a safety device, this thermostat will open (shut off) the heating unit circuit
if an excessive temperature occurs. The dryer motors will remain on, even if the thermostat is open.
wrapper in the lint compartment. As a safety device, this thermostat will open (shut off) the heating unit circuit
if an excessive temperature occurs. The dryer motors will remain on, even if the thermostat is open.
IMPORTANT: UNDER NO CIRCUMSTANCES should heat safety devices be disabled.
1. Disconnect electrical power to the dryer.
2. Remove lint drawer. Remove two (2) screws securing lint
door and remove lint door.
3. Locate sensor bracket assembly and loosen the two (2)
Phillips head screws securing bracket assembly to the
tumbler (basket) wrapper.
tumbler (basket) wrapper.
NOTE: DO NOT remove the screws.
4. Remove bracket assembly by slightly sliding bracket towards
the rear of the dryer and to the left.
5. Disconnect sensor bracket harness connector and remove bracket assembly from dryer.
6. Disconnect the two (2) “orange” wires from the thermostat.
7. Disassemble thermostat from bracket assembly by removing the two (2) mounting screws, washers, and
nuts.
8. Reverse this procedure for installing a hi-heat protector thermostat.
9. Reestablish electrical power to the dryer.
D. SAIL SWITCH ASSEMBLY (Gas Models ONLY)
The sail switch is a heat circuit safety device which controls the burner circuit only. When the dryer is operating
and there is proper airflow, the sail switch damper pulls in and closes the sail switch. Providing ALL the other
heat-related circuits are functioning properly, ignition should now be established. If an improper airflow occurs,
the sail switch damper will release, and the circuit will open.
and there is proper airflow, the sail switch damper pulls in and closes the sail switch. Providing ALL the other
heat-related circuits are functioning properly, ignition should now be established. If an improper airflow occurs,
the sail switch damper will release, and the circuit will open.
To Replace Sail Switch
1. Discontinue electrical power to the dryer.
2. Remove the two (2) screws which hold the sail switch box cover to sail switch box.
3. Disconnect the two (2) or three (3) wires from the switch.
4. Disassemble sail switch from mounting bracket by removing the two (2) screws securing switch in place.
5. Reverse this procedure for installing new sail switch. Adjust sail switch as described in the next section.