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 TM 55-1905-223-24-3
2-38. REPLACE/REPAIR FUEL TUBING GROUP. (FIGURE 2-22)
This task covers:
a. Removal
b. Repair
c. Replacement
INITIAL SETUP
Tools
Equipment Conditions
Tool kit, general mechanic's rail
Engine shut down and cooled below
and marine diesel engines,
120 (50 ). TM 55-1905-223-10.
F
C
Fuel supply closed and tagged.
TM 55-1905-223-10.
Air supply secured (port).
Materials/Parts
Battery banks disconnected (starboard).
TM 55-1905-223-10.
Check valve P/N 178079
Check valve P/N 3028325
Ring spacer P/N 65434
REMOVAL
a. Disconnect metallic tube (21) and machine thread plug (22) from fuel pump.
b. Disconnect and remove metallic tube (21) and pipe union (17) from check valve (18).
c.
Disconnect bent metallic tube (8) from pipe tee (7).
d. Disconnect and remove bent metallic tube (8) and pipe union (20) from check valve (18)
.
e. Disconnect bent metallic tube (5) from pipe-to-tube elbow (6).
f.
Disconnect and remove bent metallic tube (5) from pipe-to-tube elbow (23).
g. Remove pipe-to-tube elbow (23) and pipe reducer (24) from check valve (25).
h. Disconnect and remove pipe-to-tube elbow (2) from check valve (25).
i.
Remove hexagon capscrew (1), lockwasher (27), flat washer (26) and remove check valve (25) and
loop clamp (3) from angle bracket (4).
j.
Remove check valve (25) from loop clamp (3).
k.
Remove machine bolt (15), flat washer (16), lockwasher (9), plain hexagon nut (10), and remove check
valve (18) and loop clamp (19) from angle bracket (12).
2-105
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