Section IX. MAINTENANCE OF THE HEATER ASSEMBLY
4-16. Fuel
Metal
Assembly
Hose
Air
Intake
Fan
Model
Used
MIL-STD
MIL-STD
With
with
Assembly
Used
Model 1A08-3 Engine
1A08-3
Engine
a.
Removal.
a. Removal.
(1) Close the main fuel line shutoff angle
(2) Unscrew and remove the fan hold-down
v a l v e (52, fig. 4-2).
bolt (2, fig. 4-1).
( 2 ) Remove the screws securing the fuel line
clamp to the fan guard.
(3) Use the special setscrew, which is located
(3) Unscrew the coupling nut on the hose
i n the bottom of the tool pouch to remove the fan
assembly (78) at the fuel filter and at the fuel pump
assembly (3), blower wheel (8), and the blower
wheel housing assembly (9) from the crankshaft.
and remove the metal hose assembly from the
heater.
(4) Remove the nuts (4) and the washers (5)
s e c u r i n g the fan guard to the blower wheel housing
b . C l e a n i n g . Clean the hose in SD and blow
and separate the fan guard from the blower wheel
through it with compressed air to remove any
housing.
foreign matter.
setscrew (7)
securing
the
(5)
Loosen
the
c. Inspection. Inspect the hose for dents and
blower wheel to the intake fan assembly and
p o s s i b l e breaks or holes and the coupling nuts for
remove the blower wheel housing and the blower
d i s t o r t i o n and damaged or stripped threads. If the
hose assembly is defective, install a serviceable one.
wheel from the intake fan assembly.
b . Inspection. Inspect the fan for broken or bent
d. Installation. R e v e r s e t h e p r o c e d u r e i n
a. a b o v e .
blades and for loose or missing rivets, and if the
assembly is defective, install a serviceable one.
c. Installation. R e v e r s e t h e p r o c e d u r e i n
a. a b o v e .
27 Elbow
53 Screw
1
Wheel
28 Filter
54 Washer
2
Nut
29 Clamp
55 Clip
3
Nut
56 Tee
30 Nut
4
Wheel
57 Plug
31 Line Assembly
5
Nut
58 Valve Assembly
32 Nut
6
Pointer
59 Nipple
33 Washer
7
Washer
60 Valve Assembly
34 Clamp
8
Nut
61 Nipple
35 Screw
9
Cover
62 Ring
36 Orifice
10
Spacer
63 Plate
37 Valve
11
Shaft
64 Washer
38 Bushing
12
Cap
65 Nut
39 Nipple
13
Sump
66 Line
40 Tee
14
Strap
67 Elbow
41 Screw
15
Nut
16
Ring
68 Nut
42 Washer
17
Element
69 Pin
43 Diaphragm Kit
18
Nipple
70 Bracket
44 Nipple
19
Gasket
71 Shaft
45 Valve
20
Gasket
72 Nut
46 Ring
21
Nut
73 Spacer
47 Plate
22
Washer
74 Cover
48 Nut
23
Screw
75 Washer
49 Washer
24
Elbow
76 Pointer
50 Screw
25
Line Assembly
77 Nut
51 Clip
26
Elbow
78 Hose Assembly
52 Valve
