TM 11-6625-1702-12
sequence
Procedure
References
Item to be inspected
No.
a.
None.
a. Make
sure
the
test
area
is
free
of
externally
Preliminary
test
setup
-----------
1
generated
rf
fields
(no
nearby
or
transmitting
sources).
b. Connect
the
to
a
115/230-volt
b.
None.
10%,
50-60
Hz,
535-watt,
single-phase
source.
Connect
the
vhf/fro
radio
set
to
a
115-volt
1O%,
50-400
Hz,
single-phase
source.
Connect
the
remaining
applicable
test
equipment
to
a
115/230-volt
10%,
48-63
Hz,
160-watt,
single-phase
source.
c.
c. Set
control
panel
controls
for
use
without
ground
plane.
d. Connect
d.
Para 3 - 2 b
the
AN/ARM-115
to
the
27.5-volt
(l).
dc
source
2,
to
the
and
to
the
vhf/fro
radio
set
without
ground
plane.
None.
e. Apply
e.
power
to
test
equipment
and
observe
warmup
times.
a.
None.
a.
Dc
meter
scale
test
-
-
-
-
-
-
Apply
27.5-volt
dc
power.
2
b.
None.
b. Set
METER
FUNCTION
switch
to
28
VDC.
c.
c. R e c o r d
microammeter
reading
in
volts
dc.
item
No.
2.
An
indication
of
26.2
to
28.9
volts
dc
should
be
registered.
----------------------
a.
None.
3
a.
Millivolt source test
Mount
the
test
coupler
to
the
coupler
mount
2-3)
on
the
test
set
control
panel,
connecting
J2
of
the
test
coupler
to
the
POWER
jack,
and
J1
of
the
test
coupler
to
the
RF
jack.
b.
None.
b. Apply
27.5
volts
dc.
c. S e t
c.
METER
FUNCTION
switch
to
+0-
None.
500
MV.
d. Adjust
MV
ADJUST
control
for
250
mv.
d.
A
reading
of
250
mv
should
be
found
at
item
No.
3.
the
microammeter.
e. Connect
the
millivolt
test
leads
from
the
None.
e.
MV
OUTPUT
jacks
on
the
test
set
con-
trol
panel
to
FL1
and
FL5
of
the
test
coupler.
None.
f. O b s e r v e
the
reading
at
FL1
and
f.
FL5
(FL1
positive).
An
indication
of
238
to
262
mv
should
be
registered
at
FL1
and
FL5.
g. S e t
METER
FUNCTION
switch
to
O-
None.
g.
500
MV.
h. Repeat
f above
with
FL1
negative
h.
None.
With
the
test
coupler
connected
to
the
test
a.
4
Tune
indicator
function
test
.
.
.
a.
Para 3 - 2 b
set
control
panel
without
ground
plane,
(l).
apply
27.5
volts
dc
to
the
control
panel.
b.
Ground
FL4
on
the
test
coupler
.
-.
b.
None.
c.
c.
Rotate
MV
ADJUST
control
fully
counter-
None.
clockwise.
d. Momentarily
depress
limit
switch
S1
on
test
d.
None.
coupler
and
monitor
MOTOR
PULSING
SIGNAL
output
with
the
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