AC HEATER/EVAPORATOR BLOWER DOES NOT OPERATE IN ALL SPEEDS (LOW, MEDIUM, AND HIGH) (Cont)

DRAFT

TB 9-2320-279-13-1

AC HEATER/EVAPORATOR BLOWER DOES NOT OPERATE IN ALL SPEEDS

(LOW, MEDIUM, AND HIGH) - Continued

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VISUAL INSPECTION

(1) Turn engine start switch ON (TM 9-2320-279-10).

(2) Turn fan control switch to low, medium, and high

speed positions (WP 0004). Verify AC heater/

evaporator blower operation in all positions.

(a) If AC heater/evaporator blower does not

operate in all positions, go to Step 3 of this fault.

(b) If AC heater/evaporator blower operates at all

positions, turn engine start switch OFF and go

to Step 15 of this fault.

VISUAL INSPECTION

(1) If OFF, turn engine start switch ON

(TM 9-2320-279-10).

(2) Turn fan control switch to low, medium, and high

speed positions (WP 0004). Verify AC heater/

evaporator blower operation in all positions.

(a) If AC heater/evaporator blower does not

operate in at least one switch position, go to

work package 0010 (AC Heater/Evaporator

Blower Does Not Operate).

(b) If AC heater/evaporator blower operates in at

least one fan control switch position, go to

Step 4 of this fault.

HEMAC130

0011-5