20--Adapter, series N, UG-57B/U
1--Cover, side-7923028
--MS15507
2--Screw, machine, flat-countersunk
21--Connector, series N, UG-30E/
hd, no. 6--2, 3/8. in. ig, UNC-
U-MS90159
2A-MS51959--28
22--Coupler, directional,
3--Clamp, loop-plastic, wire sup-
coaxial, S-band
port-MS25281-7
7923080-3
4--Nut, plain, hex, machine screw,
23--Bracket, clamp, cable-7923088
no. 10-32, UNF-2B-MS356-
24--Clamp, loop-plastic, wire sup-
50-304
port-MS25281-5
5--Washer, lock, split, helical, no.
25--Washer, flat, metal, round-
10-MS35338-81
MS15795-805
6--Washer, flat, metal, round-MS-
26--Screw, machine, pan hd, no.
15795-808
6-32, 1/2 in. ig, UNC-2A-
7--Screw, machine, pan hd, no. 10-
MS51957-30
32 1/2 in. Ig, UNF-2A-MS-
27--PC board assy, shaping net-
51958--63
work-7923067-3
8--Bracket assy, connector-7923-
28--Screw, machine, pan hd, no. 4-
061-2
40 1/4 in. g, UNC-2A-MS-
9--Screw, machine, flat-counter-
51957-13
sunk hd, no. 6-32, 7/16 in.
29--Washer, lock, split, helical, no.
Ig, UNC-2A-MS51959-29
4-MS35338-78
10--Clamp, cushioned, support, loop-
30--Washer, flat, metal, round-
type, aircraft--MS21919D16
MS15795-803
11--Nut, plain, hex, machine screw,
31--Panel, front-7923032-3
no.6-32,UNC-2B-MS-
32--Screw, machine, pan hd, no.
35649-64
10-24, 1/2 in. lg, UNC-2A-
12--Washer, lock, split, helical, no.
MS51957-63
6-M35338-79
33--Washer, nylon-7923098-2
13--Screw, machine, pan hd, no. 6-
34--Handle, bow, brass, nickel
32, 7/16 in. Ig, UNC-2A-
plated-MS89087-5
MS51957-29
35--Ferrule-10519305
14--Tube, BWO, S-band-7923108
36--Fastener, pawl, modified (and
15--Nut, plain, hex, machine screw,
nut)-7923259
no. 10--24, UNC-2B--MS356-
37--Knob, control, round, plastic,
49-204
ribbed gripping surface-MS-
16--Screw, machine, flat-counter-
91528--ODIB
sunk hd, no. 10-24, 5/8 in. Ig,
38--Bearing, flanged-7923258
UNC-2A-MS51959-64
39--Counter assy-7923056-3
17--Bracket, tube-7923037
40--Washer, nylon-7923098-1
18--Screw, machine, pan hd, no. 10-
41--Chassis, rf head-7923027-1
32, 8/8 in. Ig, UNF-2A--MS-
19--Cable assy-7923029-1
Figure 4-17--Continued
holes with those in the chassis. Attach with four screws
disassemble the S-band rf head completely, follow the
(16), washers (5) and nuts (15).
order or removal shown in exploded view, Figure 4-17,
(10) Connect and resolder the blue harness lead to
and refer to wiring diagram, figure 4-18.
For
terminal 2 on the dispersion PC board assembly (refer to
disassembly and assembly of the connector bracket
1, fig. 4-12).
assembly and counter assembly refer to e and f,
(11) Install connector bracket assembly (8, fig. 4-
respectively, below.
d. Assembly of S-Band Rf Head. To assemble the
17) on rf head chassis (41) with two screws(9). Apply
sealing compound 10528558 to two screws (9), then
S-band rf head, refer to exploded view, figure 4-17, and
tighten.
wiring diagram, figure 4-18, and reverse the order of
(12) Connect adapter (20) to the N connector of
disassembly.
Note.
balun.
Apply sealing compound10528558 or
(13) Install clamp (10) and attach to bracket (23)
10528557, as applicable and required, to all screws not
with screw (9), washer (12), and nut (11).
secured with locking devices (refer to paragraph 4-28).
(14) Connect and solder the yellow and green
e. Disassembly and Assembly of Connector Bracket
harness leads to connector bracket assembly (8) solder
Assembly. To disassemble and assemble the connector
lug (refer to 17, fig. 4-12).
bracket assembly, refer to exploded view, figure 4-12,
(15) Install side cover (1, fig. 4-17) with 10 screws
and wiring diagram,
(2).
c.
Disassembly of S-Band Rf Head.
To
Change 1 4-27
