TM 55-1520-240-23-6
7-18
DISASSEMBLE AND INSPECT FILL MODULE (AVIM)
(Continued)
7-18
21.
Install housing (10) in vise (33).
22.
Remove retainer (34) from housing (10). Use 1
inch socket and adapter.
23.
Remove excluder (35) and packing (36) from
retainer (34).
23.1.
Inspect excluder (35). There shall be no cuts
or tears.
24.
Pull and remove piston (37) from housing (10).
25.
Remove gland (38) from piston (37).
25.1.
Measure inside diameter of gland (38). Diameter
shall not be more than 0.688 inch. Measured
surface shall have no nicks or scratches.
26.
Remove two packings (39 and 40) from gland
(38).
27.
Measure inside diameter of bushing (41).
Diameter shall not be more than 0.253 inch.
27.1.
Measure diameter of piston (37) at two places
(41.1 and 41.2). Small diameter shall not be less
than 0.683 inch. Large diameter shall not be
less than 0.964 inch. Measured surfaces shall
have no nicks or scratches.
28.
Remove housing (10) from vise (33).
29.
Remove packing (42) from piston (37).
30.
Install lug of piston (37) in vise (33).
31.
Remove seat (43), ball (44), and spring (45) from
piston (37).
31.1.
Inspect ball (44) and mating surface of seat (43).
There shall be no nicks, scratches, or other
visible damage.
32.
Remove packing (46) from seat (43).
33.
Remove piston (37) from vise (33).
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