FAULT CODE 033: BLOWER MOTOR SPEED FAULT. (Cont) -726250889

TM 9-2320-364-34-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a direct short

may result. Damage to equipment, injury or death to personnel may occur.

VOLTAGE TEST

(1) Turn arctic heater switch OFF

(TM 9-2320-364-10).

(2) Remove cable tie from arctic heater

internal harness.

(3) Connect arctic heater internal harness

connector to arctic heater control unit

internal connector (Para 18-2.2).

(4) Connect (back probe) positive (+) lead

to violet wire at arctic heater internal

harness connector, terminal 13.

(5) Connect (back probe) negitive (-) lead

to green wire at arctic heater internal

harness connector, terminal 5.

(6) Turn arctic heater switch ON.

(a) If 2.2 to 2.8 vdc are not present,

replace arctic heater blower

(Para 18-2.2).

(b) If 2.2 to 2.8 vdc are present,

replace arctic heater control unit

(Para 18-2.2).

2-802-39