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 TM 9-4120-428-14
0032 00
Table 1. Mode Position Chart.
Switch
Function
Switch Deck and Terminals Connected
Position
1
2
3
4
1
COOL
3 and 4
7 and 8
11 and 12
15 and 16
2
VENT
7 and 8
11 and 12
15 and 16
3
OFF
4
(LOW)
1 and 2
7 and 8
11 and 12
15 and 16
HEAT
5
(HIGH)
1 and 2
5 and 6
9 and 10
13 and 14
7 and 8
11 and 12
15 and 16
HEAT
REPLACEMENT
Replace the mode selector switch if defective.
INSTALLATION
1. Assemble the machine screws (24) and mode selector switch (23) onto the mounting plate (12). Tighten the machine
screws (24) so that the mode selector switch is held firmly in place.
2. Reconnect the wires to the mode selector switch (23) terminals. Remove tags.
3. Place the designation plate (11) over the mounting plate (12) and hold in place.
4. Insert circuit breaker toggles through the designation plate (11). Be sure the OFF position matches the lettering on the
designation plate (11).
5. Secure the circuit breaker (20) to the designation plate (11) with screws (18) and flat washers (19).
6. Replace grommets (21) in the shaft holes. Check that they are secure.
7. Insert the evaporator fan speed toggle switch (15) into the designation plate (11). Tighten the nut (13) and washer (14) to
secure the designation plate (11) to the spacer posts (25).
8. Insert three self-locking machine screws (9) and washers (10) into the spacer posts (25) through the designation plate
(11). Tighten the screws to secure the designation plate (11) to the spacer posts (25).
9. Install the knob (4) and tighten the setscrew (3).
10. Insert the pin (16) and spacers (17) in the circuit breaker toggles.
11. Place the knob (6) on the mode selector switch (7). Make sure the adapter (8) is positioned on top of the square shaft of
the mode selector switch (7).
12. With the knob (6) and the adapter (8) engaged with the shaft, turn the switch in a clockwise direction.
13. When the last clockwise position is located, remove the knob (6) leaving the adapter (8) on the shaft. Reposition the
knob (6) on the adapter with the pointer pointing in the COOL mode.
14. Tighten the screw (5) in the top of the knob (6). When the knob (6) is secure, turn it to point in the OFF mode.
15. Slip the control cover (2) in place and secure it with four machine screws (1).
NOTE
FOLLOW-ON MAINTENANCE:
Install control module (WP 0029 00)
END OF WORK PACKAGE
0032 00-3
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