TM 5-3655-210-12
1.
Water temperature limit switch
8.
Bail
15.
Adapter
2.
Hex nut
9.
Nozzle assembly
16.
Thumb nut
3.
Hex nut
10.
Self-tapping screw
17.
Fuel tube
4.
Machine screw
11.
Cover
18.
Gasket
5.
Machine screw
12.
Cap screw
19.
Spark plug
6.
Combustion head
13.
Nut, No 10
20.
Nut
7.
Cap screw
14.
Tube nut
21.
Cable
Figure 4-108. Fuel line removal.
a. Removal.
(5) If the pressure cannot be raised to 30 psi
(2.109 kg per sq. cm) by adjusting the relief stud, and
the bypass flow is unsteady or there is no flow, the fuel
(2) Remove the spark plug cable (21, fig. 4-
pump is worn and should be replaced.
108) by loosening the nut (20).
(3) Unscrew the two tube nuts(14) securing
the fuel tube (17) and remove the tube.
NOTE
(4) Remove the three cap screws (7) and lock
washers securing the combustion head (6) and gasket to
An air leak can result from the "0" ring
the heater assembly and lift off the head and gasket.
gasket in the filter cover not sealing
b. Disassembly.
properly against the filter body. Check
the fittings with soapy water to detect
(1) Remove the spark plug (13, fig. 4-111)
leaks.
and packing (14) from the head (3).
(2) Loosen the thumbnut (8) and lift the bail
(9) and thumbnut from the head.
4-122