TM 9-2350-311-20-1
3-3 TROUBLESHOOTING CHART — CONTINUED
h. FLAME HEATER CIRCUIT (ENGINE MODEL
FLAME HEATER DOES NOT OPERATE — CONTINUED
7083-7396) — CONTINUED
1. Reconnect hose to pump and motor
assembly.
2. If air box heater, fuel solenoid, and
pump and motor assembly all failed to
operate, go to step Q.
3. If air box heater and pump and
motor assembly both failed to operate, go
to step L
4. If only air box heater failed to operate,
go to step E.
5. If only pump and motor assembly failed
to operate, go to step G.
6. If only fuel solenoid failed to operate, go
to step L.
1. Disconnect lead 486 from flame heater
ignition coil assembly.
2. Place red lead of multimeters on pin A (lead
486) and black lead to ground.
3. Turn MASTER switch ON and check for
voltage.
4. Turn MASTER switch OFF.
Is voltage present?
Replace flame heater ignition coil
assembly (para 5-10).
3-108