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Figure 3-30. Control valve, exploded view.
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Reservoir - TM-10-3930-620-340078
KEY to fig. 3-30:
43.
Spring
44.
Seal plate (2)
1.
Inlet section assy
45.
Wiper (2)
2.
Plug
46.
Preformed packing (2)
3.
Preformed packing
47.
Screw
4.
Plug
48.
Preformed packing
5.
Preformed packing
49.
Poppet
6.
Preformed packing
50.
Spring
7.
Acorn nut
51.
Plunger cap
8.
Washer
52.
Special setscrew
9.
Jamnut
53.
Spring seat (2)
10.
Adjusting screw
54.
Screw
11.
Spring
55.
Plunger spring
12.
Poppet "E"
56.
Seal plate (2)
13.
Plug
57.
Wiper (2)
14.
Preformed packing
58.
Preformed packing (2)
15.
Backup ring
59.
Screw
16.
Preformed packing
60.
Preformed packing
17.
Spring
61.
Cap
18.
Piston
62.
Poppet "K"
19.
Poppet "D"
63.
Backup ring
20.
Preformed packing
64.
Preformed packing
21.
Backup ring
65.
Poppet "D"
22.
Poppet "K"
66.
Piston
23.
Cap
67.
Spring
24.
Preformed packing
68.
Preformed packing
25.
Plug
69.
Backup ring
26.
Preformed packing
70.
Preformed packing
27.
Plunger cap
71.
Plug
28.
Special setscrew
72.
Poppet "E"
29.
Spring seat (2)
73.
Spring
30.
Screw
74.
Adjusting screw
31.
Plunger spring
75.
Jamnut
32.
Seal plate (2)
76.
Acorn nut
33.
Wiper (2)
77.
Washer
34.
Preformed packing (2)
78.
Preformed packing
35.
Screw
79.
Poppet
36.
Preformed packing
80.
Spring
37.
Poppet
81.
Outlet section
38.
Spring
82.
Tie rod
39.
Plunger cap
83.
Nut (2)
40.
Special setscrew
84.
Tie rod
41.
Spring seat (2)
85.
Nut (2)
d. Cleaning and Inspection.  Clean and inspect
Note.
Serviceable seals contained in
control valve as follows:
repair kit. should be installed in control valve prior to
reassembly. Prior to reassembling control valve, insure
Warning: Use an approved cleaning solvent.
that a coating of clean hydraulic oil has been applied to
(1) Clean each metal part in an approved
each part.
solvent and dry thoroughly.
(1) Install plug (2) and preformed packing (3)
(2) Inspect housings for physical damage,
in inlet section.
such as cracks, etc.
(2) Install preformed packing (20) and backup
(3) Carefully inspect plunger bores for scores,
ring (21) on poppet "D" (191. The preformed packing is
cracks, and other damage.
installed on top of backup ring.
(4) If plunger bores are scored or damaged,
(3) Place poppet "D" (19) in poppet "K" (22).
replace valve section.
(4) Position piston (18) and spring (17) in
(5) each section's mating surfaces and insure
poppet "D" and "K" assembly. Install piston first.
that surfaces are free of burrs and pits.
(5) Place poppet "E" (12) and spring (11) in
(6) Inspect all control valve parts for damaged
plug (13). Secure poppet and spring in position using
or worn parts.
adjusting screw (10). Turn screw in the same number of
(7) Apply a coating of clean hydraulic oil to all
turns required for removal.
parts.
(6) Install backup ring (15) and preformed
e. Reassembly.
Reassemble control valve as
follows: (fig. 3-30.)
3-49

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