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 TM 10-3930-673-20-2
18-5. MAIN CONTROL VALVE ADJUSTMENT/REPLACEMENT (CONT)
(2)
Remove fittings (15 through 31) and
15
16
preformed packings (32 through 46) from
main control valve (49). Discard preformed
32
33
packings.
(a)
Remove two adapters (15 and 16) and
49
preformed packings (32 and 33) from
main control valve (49). Discard
preformed packings.
(b)
Remove two adapters (17 and 18) and
preformed packings (34 and 35) from
main control valve (49) and reducer (26).
Discard preformed packings.
(c)
Remove reducer (26) and preformed
37
19
packing (36) from main control valve
38
(49). Discard preformed packing.
20
39
(d)
Remove two adapters (19 and 20) and
preformed packings (37 and 38) from
main control valve (49). Discard
34
17
preformed packings.
36
(e)
Remove two adapters (21 and 22) and
26
35
18
preformed packings (39 and 40) from
main control valve (49). Discard
40
22
21
preformed packings.
TR01836
(f)
Remove tee (23) from adapter (27).
25
48
(g)
Remove adapter (27) and preformed
31
45
46
packing (41) from relief valve manifold
(28). Discard preformed packing.
49
(h)
Remove relief valve manifold (28),
adapter (29) and two preformed packings
(42 and 43) from main control valve (49).
Discard preformed packings.
(i)
Remove tee (24) from adapter (30).
43
(j)
Remove adapter (30) and preformed
29
42
47
packing (44) from main control valve
28
(49). Discard preformed packing.
(k)
Remove tee (25) from adapter (31).
(l)
Remove adapter (31) and preformed
packing (45) from main control valve
41
(49). Discard preformed packing.
27
44
23
30
(m) Remove cap (47), nozzle (48), and
24
preformed packing (46) from main
TR01837
control valve (49). Discard preformed
packing.
18-22
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