TM 1-1520-240-MTF
4-34
5. AFCS SYSTEM SEL — OFF.
a. NO. 1 & NO. 2 AFCS OFF caution lights on.
6. MASTER CAUTION light — RESET.
O. HEATING/VENT BLOWER OPERATION.
Reference:
TM 1-1520-240-10
1-40.
1. HEATER function switch — VENT BLOWER
ONLY. AIR CONTROL knobs — PULL and
check operation.
2. COCKPIT AIR CONTROL knobs — Pilot and
copilot, PULL.
3. Right Main Fuel pump switches — ON.
4. HEATER function switch — HEATER ON.
5. HEATER START switch — Press. Check
ignition (within 10 seconds).
6. CABIN TEMP SELECTOR — Check heater
operation and rheostat from COLDER to
WARMER.
a. Heat Distribution check.
(1) For Maximum Cockpit Heat proceed as
follows:
(a)
Pilot and Copilot cockpit air control
knobs — Pull.
(b)
DEFOG or DEFROST handle —
PULL.
(c)
CABIN AIR handle — PUSH.
(d)
CABIN TEMP SEL switch — Full
clockwise.
(2) For maximum Cabin heat proceed as
follows:
(a)
Pilot and copilot air control knobs
— Push.
