Operating instructions

Ref
symbol
410
413
vl, v2, \'.1
v3, v5,
\'7
V6
V8
H6
o5o, 051
Al2
414
o26
o22
Ub
o17
Hl, H13
LI
E9
E3,
E19
Etz
o18
AGO 3134
6.
ldentificotion
Toble
of Ports
for
Rodio
Receiver
R-174/URR-Continued
I
Sienal
Corps
stock
No,
Nanre
of
part
and
description
DI-{I-.
scale:
297"
arc; round;
33/+"
dia
x.050"
thk
Scale
fol
clial
r
.50" dia
ctr hole;
Cloname
#DA-1005.
DRI\-E,
tr-rning:
cilculai'
shape,
3.8b9"
dia;
Emer-
son
Rad
#AS-1195.
ELECTRON
TUBE:
pentode;
JAN
t1'pe
1L4
2Z:Ji23-.340
IIolds
engraved
channcl
2T,8i6.146
markers in
any
position
fol
presetting
stations,
V1
: First r-f
amplifier..
V2:
Second r-f
amplifier.
V4:
First
i-f
amplifier.
V3:
Converter.
V5:
Second
i-f
ampìifier
and
calibration
oscillator.
V7:
Low
a-f
ampìifier
and
beat-frequency
oscillator.
Detector
and
a-f
amplifier
2J7L1
2J1R5
2JIU5
2J?'V
4
224868.877
224868.7L75
224868.1780
224868.tI77
224868.rt74
2248i5-,135
224878-1438
224878-I437
624854-6
:1G100-243
ELECTRON
TUBE:
pentagrid;
JAN
type
1Rb,__
ELECTRON
TUBE:
diode
pentode;
JAN
type
1U5,
ELECTRON
TUBE:
pentode;
JAN t1,pe
3V4
GASKET:
rvatertight
seal; r.ing,
,i'," OD,
,ii" ID,
.070
+.003
thk; Emerson
Racl
fBR-10:30.
GASKET:
rvatertight
seal;
ring, 1.0?8"
OD, 1"
ID; Emelson
Rad
#BR
1033.
GASKET:
rubber';
r.ing,
1.312"
OD. i.250"
ID,
.062"
thk; Emerson
Rad
#BR-1034.
GASKET:
4 holes
incl
mtg holes;
t.ounrl
shape,
3?6"
dia.031"
thk; Emerson
Rad
#RR-1035.
GASKET: r'ectangr-rlal
libbon,
96" h x
.265"
thk
x
lJ7"
1g'; Enerson
Ra<l
#GA-1000.
GEAR
ASStrMBLY:
.1
tapped
mtg holes;
Cro-
name
#AS-!1frl.
GEAR: spnl
t1'pe;
brass;
straight
teeth;
86 teeth,
48
pitch;.750"
OD,.251"
ID,
ancl
B/s"
thk;
straight
face;
hr-r'b
,'ì"' dia extends
1.i"
flom
f:rce
of
geai';
Emerson
Rad #N{A
10.30.
GEAR
:
sÌ)ul type;
stlaight
tceth;
96 teeth, i18
pitch,2"
pitch
dia;
.3755
to.3T65
ID;
straight
face;
.3760" hole;
Enerson
Rad
#
MA-10;13.
GROMXf
ET:
i,"' OD.
\/8"
ID,
,"',,"
neck
dia.
"i"' tl-rli,
i',
"
neck
thk;
,'Ì,
"
dia
mtg
fl;
Canfield
Rr-rb
#1983.
INSULATOR,
bushing:
r'ectangular
shape; black
rnolded
phenolic:
1.:/s"
1g x 711+"
rvd
x
ari"
thk;
four mtg
holes
.156"
dia; Emerson
Rad #IfP-
103 1.
INSULATOR,
bushing:
round;
blacli rnolded
phe-
nolic; .312"
h
ola,
s7t"
dia, .171"
hole; Emerson
Rad
f,MP-1033.
INSTILATOR,
standoff:
r,'''hite
celamic;
?b00
v;
cylindrical
pillar
shape;
one
f6-32
thd tapped
mtg hole
at
ea
end; JAN
type
NS4W0106;
AISi-
Mag
#
1203.
KEY, n-rachine:
sq
type; 71/+"
Ig x
J,l"
rvd; Emer-
son
Racl
#AS-1198.
KNOB: r'ound;
aluminum; 4.526"
dia x
.69b"
thk
o/a;
Emerson
Rad
f
A5-1196.
I
Hish
a-f
anrpìifier.
Watertights
shoulder
screv'
to
flont
panel
assemblS'.
\Iatertight
gasket
for
ten
contact
audio receptacles.
Seals
dial rvindorv
Provides
watertight
seal
be-
t'lveen
preset
base
anrl
panel.
\\;ateltight
assembly
of front
panel
to case,
Tuning
variable
capacitor
and
lotating
calibrated
dial
scale.
Transmits
position
of band
srvitch
to dial shutter.
Transn.its
setting of band
,srvitch
S1 to dial
shutter
o14.
Insuìate learìs
blo,-rght
thlough
chassis.
Insulated mount
for top end
of
antenna.
Insulates
antenna
terminal
from
panel.
Insulate
solder tie
points
Tool
for loosening
channel
nia|ker
stops on
p|eset
as-
sembly.
Knob
for
tuning receiver
-
3Gr00-242
3G3501-06.1
6L996-20-7
225822-663
I
97