TM 9-4935-294-15/2
20--Adapter, series N, UG--57B/U
1--Cover, side--7923028
--MS15507
2--Screw, machine, flat--counter-
21--Connector, series N, UG--30E/
sunk hd, no. 6--2, 3/8 in. Ig,
U--MS90159
UNC--2A--MS51959--28
22--Coupler, directional,
3--Clamp, loop--plastic, wire sup-
coaxial, L--band-
port--MS25281--7
7923080--2
4--Nut, plain, hex, machine screw,
23--Bracket, clamp, cable--7923038
no. 10--24; UNF--2B--MS35-
24--Clamp, loop--plastic, wire sup-
650--304
port--MS25281--5
5--Washer, lock, split, helical, no.
25--Washer, flat, metal, round--MS-
10----M35338--81
15957--30
6--Washer, flat, metal, round-
26--Screw, machine, pan hd, no. 6-
MS15795--808
32, 1/2 in. Ig, UNC--2A--MS-
7--Screw, machine, pan hd, no. 10-
51957--30
32, 1/2 in. Ig. UNF--2A--MS-
27--PC board assy, shaping network
51958--63
--7923067--2
8--Bracket assy, connector--7923-
28--Screw, machine, pan hd, no. 4-
061--6
40, 1/4 in. Ig, UNC--2A----MS-
9--Screw, machine, flat--counter-
51957--13
sunk hd, no. 6--32, 7/16 in.
29--Washer, lock, split, helical, no.-
lg, UNC--2A--MS51969--29
4--MS35338--78
10--Clamp, cushioned, support, loop-
30--Washer, flat, metal, round-
type, aircraftMS21919D16
MS15795--803
11--Nut, plain, hex, machine screw,
31--Panel, front--7923032--2
no. 6--32, UNC--2B--MS3564-
9--64
32--Screw, machine, pan hd, no. 10-
12--Washer, lock, split, helical, no.
24, 1/2 in. lg----MS51957--63
6--MS353388--79
33--Washer, nylon--7923098--2
13--Screw, machine, pan hd, no. 6-
34--Handle, bow, brass, nickel plated
32. 7/16 in. Ig, UNC--2A-
--MS39087--5
MS51957--29
35----Ferrule--10519305
14----Tube, BWO, Lb and--7923107
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-
16----Screw, machine flat--countersunk
MS91528--ODIB
hd, no. 10--24, 5/8 in. Ig, UNC
38----Bearing, flanged--7923258
--2A----MS51959--64
39----Counter assy--7923056--2
17----Bracket, tub--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-
51958--61
19----Cable assy--7923029--1
Figure 4-14. Continued
_________________________________________________________________________________________________________________________
____
1. Free switch stop (18, fig.
4-12) by
diagram, figure 4-11, and reverse the order
of
loosening two screws (2).
disassembly. Observe the following procedures:
2. Position switch stop (18) so that the
(a) Cement counter window (23, fig. 4-13)
measured distance from tip of switch stop to edge of
to counter assembly (19) with type III, MIL-E-5092A
chassis is between 1.050 +0.000-0.020 inches.
Note. Use a jig of local manufacture to establish this
adhesive.
clearance.
(b) Obtain gears (16) and (17). If they are
3. Secure switch stop (18) in this position by
replacements, ascertain that they are the proper parts
tightening screws (2), then seal screw heads with sealing
and have been inspected.
compound 10528558.
(c) Turn variable resistor R1502 (18) fully
f. Disassembly and Assembly of the Counter
ccw.
Assembly.
(d) Set dials of counter assembly (19) to
(1) Disassembly. To disassemble the counter
low end of frequency band.
assembly, follow the order of removal shown in exploded
(e) Install gear (17) on counter assembly
view, figure 4-13, and refer to wiring diagram, figure 4-
(19) shaft and engage with gear (16). Do not tighten
11.
setscrew.
(2) Assembly. To assemble the counter
assembly, refer to exploded view, figure 4-13, and wiring
Change 1 4-21
