TM 5-3810-307-24-1-2
15
19
17
18
16
4
5
6
3
9
7
8
1
12
2
10
11
14
13
LEGEND
1.
Blower Motor
11.
Exhaust Pipe
2.
Flame Sensor
12.
Combustion Air Intake
3.
Combustion Chamber
13.
Fuel Metering Pump
4.
Control Unit
14.
Fuel Line (Plastic)
5.
Glow Pin
15.
Wiring Harness
6.
Temperature Sensor
16.
In-line Fuse (15A)
CA
=
Combustion Air Inlet
7.
Flame Tube
17.
Connector (Not Used)
E
=
Exhaust Outlet
8.
Heat Exchanger
18.
Seven Day Timer
F
=
Fuel Supply Line
9.
Overheat Sensor
19.
In-line Fuse (5A)
WI
=
Water Inlet
10.
Water Pump
WO
=
Water Outlet
Figure J-1. Coolant Heater Operation
Change-1 J-5