TM 5-4520-208-15
40
Nozzle holder, with elbow
11
Temperature selector gear
41
Screw, machine, No. 10-24 x 5/8 in. (2)
12
Control panel
42
Loop clamp (2)
13
Instruction plate
43
Nut, self-locking, hex, No. 10-24 (2)
14
Rivet, blind; indicator atop
44
Tee, pipe to tube
15
Screw, machine, 10-24 x 3/8 (2)
45
Bushing, reducer, 1/4 NPT to 1/8 NPT
16
Setscrew, 1/4-20 x 1/4 in. (3)
46
coupling, pipe
17
Fuel control valve knob
47
Fuel hose assembly
18
Temperature indicator knob
Elbow, pipe (2)
48
19
Selector valve knob
49
Tube assembly, pump to tank
20
Screw, machine, No. 10-24 x 3/8 in. (4)
50
Hose assembly, metal, engine fuel
21
Nut
51
Screw, cap, hex hd, 1/2-19 x 7/8 in. (2)
22
Temperature gage
52
Washer, flat 1/2 in. (2)
Bracket
23
53
Elbow, pipe to tube, 1/8 NPT to 1/4 tube (2)
24
Washer, lock, IT, No. 10 (4)
Fuel pump assembly
54
25
Nut, plain, hex, No. 10-24 (4)
55
Adapter, straight, 1/8 NPT to 1/4 tube (2)
26
Control valves and block (fig. 62)
56
Tube assembly, pump to coupling
Elbow, pipe, 1/8 NPT
27
57
Elbow, pipe
28
Pipe nipple, 1/8 NPT
Hose assembly, pump to nozzle
58
29
Check valve
59
Cable tie clamp (2)
30
Elbow, pipe to tube, 1/8 NPT to 1/4 tube
Reducer, pipe
60
(2)
61
Coupling, 1/4 tube
31
Hose assembly, nozzle to check valve
62
Fluid filter (fueI)
Tube assembly, coupling to valve
32
63
Grommet, rubber (3)
Tube assembly, block to tank
33
64
Grommet, robber
34
Adapter, straight 1/4 NPT to 1/4 tube (2)
65
Nut, plain, hex, No. 10-24 (2)
35
Gasket (3)
66
Washer, lock, IT, No. 10 (2)
Fuel pump groove pulley
36
67
Nut, plain, hex, No. 10-24 (2)
37
Setscrews, 1/4 - 20 x 1/2 in.
68
Washer, lock, IT, No. 10 (2)
38
Washer, lock, IT, 1/4 in. (2)
69
Coupling, half, quick-disconnect
39
Screw, cap, hex hd, 1/4-20 x 1 in. (2)
Figure 37-Continued
e. Cleaning and Inspection.
primary bypass, pump-to-coupling tube
(1) Clean all parts in an approved clean-
assembly (56).
ing solvent and dry thoroughly.
(6)
Remove two screws (51) and flat
(2) Inspect all parts for evidence of leak-
washers (52) securing fuel pump to
ing, breaks, cracks, damaged threads,
bracket
restriction of movement, or other dam-
(7)
With fuel pump partially removed
age. Replace all damaged parts.
from heater, disconnect pump-to
f. Installation.
nozzle hoes assembly (58) from elbow
(1) Position fuel pump groove pulley (36
(53).
(8)
Remove fuel pump, with attached fil-
with setscrew (37).
ter and tube assemblies from heater.
(2) Install two pipe-to-tube elbows (53)
(9)
Disconnect pump-to-coupling tube as-
and straight adapter (55) in fuel
embly (49) from fuel pump.
pump.
Remove pipe elbow (57), pipe reducer
(10)
(3) Install pipe elbow (57), pipe reducer
(60) and fluid filter (62) from fuel
(60), and fluid filter (62) onto fuel
pump.
pump.
(11)
(4) Connect pump-to-coupling tube assem-
Remove two pipe to tube elbows (53)
bly (56) and pump-to-tank tube ae-
and straight adapter (55) from fuel
pump.
sembly (49) to f uel pump fittings.
(5) Position fuel pump assembly (64),
(12)
Remove setscrew (37) and remove fuel
with attached filter and tube assem-
pump groove pulley (36) from fuel
blies, on mounting bracket. Connect
pump.
61
