TM 9-2350-277-20-1
ENGINE CRANKS BUT WON’T START BELOW 40
(AIR BOX HEATER IS
USED)—Continued
0022 00
Y
1. Release air box heater switch.
2. Install air pump to air box heater hose onto air box heater.
3. Remove air box igniter high voltage wire (1) and igniter (2).
4. Install high voltage wire (1) on igniter (2).
5. Ground hex portion of igniter (2) on idler pulley pivot (3).
6. Depress air box heater switch.
7. Does igniter produce a spark?
YES
NO
GO TO BY (PAGE 0022 00-5)
2Y
1. Release air box heater switch.
2. Install air box igniter.
3. Remove solenoid to air box heater tube assembly (1).
4. Depress air box heater switch with engine cranking for 5 seconds.
Do not allow engine to start.
5. Does fuel fail to flow from solenoid with switch depressed?
YES
NO
2YN
1. Air box heater is working properly.
2. Go to Engine cranks, but will not
start (WP 0021 00).
0022 00-2
