Operating instructions

6.
ldentificotion
Toble
of
Ports
for
Rodio
Receiver
R-174/URR.-Continued
It
ef
sl nrbol
I
Name
of
part
and
description
Function
of
part
Signal Corps
stock
No.
R27
R32
R19A,
B
H11,
H36,
II?'7
HI2
o6
o13
x10
X4
thru X8
X1
thru X:J
O40 thru
O47
o97
o24
H10, H34,
H35
L3
S1
S4
r00
AGO 3134
RESISTOR,
fixed:
comp;
3.3
meg
-+1011
;
1:
q';
JAN
type
RC20BF335K.
RBSISTOR,
fixed:
comp;
5.6 meg
-+107<.;
lz
w;
JAN
type
RC20BF565K.
RESISTOR,
variable:
1 meg
-+20c/c)
%
rv;
CTS
l+aK
RESISTOR,
variable:
2
sect.;
1 meg
fir.st
sect.; 2
meg,
second
sect.;
'+20c/(i
\/+
w:
CTS
#2-45.
RING,
retainer:
steel; zinc
plate
and iridite
finish;
eircular
shape; Emerson
Rad
#WA-g018.
SCREW
DRIVER,
corrmon:
2" tg
blade; 31!" 19
ola,
1/e"
dia round
shank;
%"
v'd
x.I25,,thk
bit;
Emerson
Rad
f
AC 1010.
SHAFTING,
rigid:
brass, nickel
plate;
1:ÌlÌ" lg,
.247"
dia; mtd by integrally
thd hole;
Emerson
Rad
#SM-1201.
SHUTTER,
dial: 33/+" dia
x .032" thk; Emerscn
Rad
#AS-1191.
SOCKET, crystal:
j'r"
dia
pins
accom spaced
*;r"
c to c; rectangular
shape; o/a dim,
excl term.;
l;l
"
lg
x
,'i"'wd
x
tÌi"
h oi
a excl term.;
Cinch
#9816.
SOCKET, electlon
tube:7 cont; miniature
size;
JAN type
TS102P01.
SOCKET,
electlon tube:
7
cont; ntiniatule sizei
JAN type TS1C2C01; o/a dim,
excl terrr.;
1li"
le
x
.80" dia
x
i-
"
h:
celantic.
SPRING,
helical, compression:
7./s"
lg x
:ii" OD
max x
,ii
"
ID
min;
tì turns;
closed
ends;
cone
shaped; Emerson Rad
#S\r-1011.
SPRING, helical,
compression:
.0i34" dia;
SS;
111"
1g x.251" 1o.257" ID x.285" 1o
.29l"
OD;17
turns;
sq
ends;
Emerson
Rad
#SV1045.
STOP,
dial: 1.799"
h x 1"
rvd
x ii"
d ola; Emerson
Rad
#AS-1197.
STUD:
steel; i!"
h; u'ing shaped
top fol tulning
Emerson Rad
#FA-1005.
SUPPRESSOR,
pai:asitic:
r'esistor and
coil type; 55
turns,
#36
AWG on
10,000 ohm,
%
w resistance;
ii"
lg;
'il"'
dia o/a;
Emerson
Rad
f
LT-104:3.
SWITCH,
rotary:
I sect.;
4
positions;
7iili"
lg x 1;h"
wd x 11t"
h o/a;
r'ound shaft
17s"
lg
x
{"
dia;
Emerson
Rad
ÉS\Y-1006.
S\VITCH,
rotary:
1 sect.; 2
positions;
nonadj
end
stops;4V:"
lg x 11i"
rvtl x 1r'lr"
h ola;
mtd by
B/s,'_82,
NSF_2 thd sleeve,
C/8,,
lC; round shaft
3ià"
lg x
%"
dia;
Oak
#FC-2.
SWITCI{,
rotary: 3 sect.; 4
positiolrs;
1rtr"
lg x 1i1"
rvd
x
1.852"
d x 1.852"
h o/a;
mtd by
V+" 1g x
B/a"-?'Z
Lhd bushing;
flat shaft
s1""
lg x
.18?"
wd;
Oak #DH.
lì1ó:
-\vc fìlter.
Rili: \'1
and V4
screen volt-
age tllopping;
varies
sen-
sìtivitv
of
leceivet
for
band
1
during caliblatiorr.
VB control
glitl
bias
R.F.
GAIN control
A.F.
CAIN conu'ol
Used
'"vith
fastenel
for fas-
tening
tube cover
to top
cover.
Alinement
and
general
pur-
pose
tool,
Through panel
shaft for
an-
tenna
trimmer.
Mask
all but
selected
calibra-
tion
on diai
scale.
Socket
for clystal
)-i
i
3RC20BF335K
X4:
Socket for
tube V4
X5:
Socket
for:
tube
\r5
X6:
Socket
foi tube \'6
X7:
Socket for
tube
Vi
X8:
Socket
for tube
V8
Xl:
Socliet fol
tube Vl
X2:
Socket for
tube
V2
Xll:
Socket
foi'
tube \';j
Tube
shield splings
Lock fol
dial
Clamp
tube cover.to
top cover
liveting
assembìy.
Parasitic
suppressor
BAND
SW. switch -
OUTPLTT
HIGH-LOW
switch
PHN.-C.W.-NET-CAL.
func-
tion switch.
3RC2OBF565K
327499-t,151
327499-2.22
227858-256
6R15195-2
228205A-3
228278
228672.8
228677.riI
228677.99
228877.703
228877.704
228996-30
228634-59
321891A-19
s29825-r28
329825-62.69L
329825-62.694