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Page Title:
Figure 23. Needle Valve-Exploded View. |
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  TM 55-4920-231-14
AV 001484
Figure 23. Needle Valve-Exploded View.
b. Cleaning and Inspection.
(1) Clean all parts with cleaning solvent
a. Removal. It is necessary to remove the chas-
Federal Specification P-D-680 or equivalent,
sis assembly (figure 24) from the tester case
and dry with a clean, lint-free cloth or clean, dry,
(29, figure 22) in the following manner in
compressed air.
order to replace components that are on the
(2) Inspect all parts for cracks, breaks, ex-
chassis.
cessive wear, binding, and damaged threads.
(1) Disconnect all hose and tube assemblies
(3) Report all defective parts to higher au-
thority.
ponents that are mounted on the chassis.
c. Installation. Each of the case leak valves
(2) Unsolder electrical leads that are con-
(16, 17, and 18, figure 22) is installed in a
similar manner as follows:
nected to fuseholder (12, figure 22) and light
(1) Install elbows (20 and 21) on valve.
base (24). Identify leads to facilitate installa-
tion.
(2) Place valve and cap and chain assembly
(3) Remove mounting nut. (8) securing
(15) and spacers (19) in position on case (29)
power switch (9) to case (29) and remove
and secure with lockwashers (14) and screws
switch.
(13).
(4) Remove six screws (27) securing chas-
(3) Connect hose assemblies to elbows (20
sis assembly to tester case (29).
and 21) on valve as instructed in paragraph 63.
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