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Section II. OPERATION UNDER USUAL CONDITIONS - TM-11-6625-2478-120019
Up
TM-11-6625-2478-12 Test Set Control Monitor - Recording Head AN/AYM-9 Manual
Next
Figure 3-4. Control-Monitor C-8338/AYA-test setup.
TM 11-6625-2478-12
3-4. Initial Checking and Adjustment
Monitor Input SM-627/AYM-9 to the next higher category
of Equipment Before placing Test Set, Control Monitor-
of maintenance.
e. Set  Simulator,
Monitor Input SM27/AYM-9 ON-OFF switch to OFF.
Recording Head AN/AYM-9 in operation, perform a go,
f. Disconnect cables CX-12723/AYM-9 and CX-
no-go check to verify that the equipment is operable.
12725/U.
Connect the equipment as shown in figure 3-3 and per-
form the procedures of paragraphs 3-5 and 3-4 to ac-
3-7. Control-Monitor C-8338/AYA-10
complish this check.
Test Procedures With the SM-627/AYM-9 prepared for
3-5. Preliminary Starting Procedure
use as de- scribed in paragraph 3-3, test the C-338/AYA-
10 as follows:
a. On the SM?27/AYM-9, set switches to positions
With  Test  Set,  Control  Monitor-Recording  Head
specified in paragraph 3-5.
AN/AYM-9 prepared for use as described in paragraph
b. On the C-8338/AYA-10, set the switches and con-
34, set Simulator, Monitor Input SM-627 AYM-9 switches
trols to the following positions
to the following positions:
Switch
Setting
Switch/Control
Setting
FOCAL LENGTH--NORMAL
NORMAL
DAY
00
RESISTOR TEST A
OFF
MONTH
00
RESISTORTESTB
OFF
YEAR
00
SWITCH TEST-RESISTOR
SWITCH TEST
FOCAL LENGTH
00
TEST + 5VDC POWER
KA60-2 EXP
1
RHA TEST SELECT
KA60, IR/SLAR,
SORTIE NO
0000
CDM
TAKING UNIT
000000
RHA MODE
SINGLE
KA60-1 EXP
1
BCD THIMBWHEEL AND
OFF
KA76 EXP
1
PANEL SWITCH TEST
HRS
00
DECIMAL THUMBWHEEL
OFF
MINS
00
SWITCH TEST
SECS
00
DECIMAL THUMBWHEEL
OFF
MODE
ALT
AND PANEL SWITCH TEST
POWER
OFF
ON-OFF
OFF
3-6. Operating Procedure
c. Connect the equipment as shown in figure 34.
(fig.  3-1) The following instructions provide for
d. On the SM-627/AYM-9, set the ON-OFF switch
energizing Simulator, Monitor Input SM627/AYM- and
to the ON position.
per- forming a preoperational check of the equipment. If
e. Set the RHA MODC switch to CONTINUOUS.
during performance of steps a through d any of the
f. On the C-8338/AYA-10, the cathode ray tube shall
specified indicator lamps fail to light, refer to chapter 4
display a rotating circle of dots near the circumference
for troubleshooting procedures.
a. Set Simulator, Monitor Input SM627/AYM-9 ON-
of the phosphor (fig.  3-5).  Adjust the INTENSITY
control as required.
OFF switch to ON. The following indicator lamps shall
g. On the SM?27/AYM-9, set the RHA TEST SE-
light: -522VDC, +500VDC, -80VDC, 115VDC, 6.3VAC,
LECT switch to KA76.
115VAC, GO, and + 5V.
h. On the C-8338/AYA-1O, the cathode ray tube
b. Press the BCD+3--PRESS TO TEST push- button
shall display a rotating circle of dots around the center of
switch. All BCD+3 indicator lamps shall
the phosphor (fig. 3-6).
light.
c. Firmly press the DECIMAL-PRESS TO TEST
i. On the SM-627/AYM-9, set the RHA TEST SE-
LECT switch to PHOSPHOR.
pushbutton switch. All DECIMAL indicator lamps shall
j. On the C-8338/AYA-1O, the cathode ray tube
light
d. Press the BCD-PRESS TO TEST pushbutton
shall display a raster (fig. 3-7).
k. On the SM-627/AYM-9, set the ON-OFF switch to
switch. The following indicator lamps shall light: BCD,
the OFF position.
BATTERY INDICATOR, SINGLE PULSE INDICATOR,
l. Disconnect cables CX-12720/AYM-
and CX-
and FAILURE.
12723/AYM-9.
NOTE
If the FAILURE indicator lamp lights at any time other
than during the above test,
terminate the test procedure and refer Simulator,
3-6

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