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Chapter 7. DEPOT MAINTENANCE
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TM-11-6660-204-25 Radiosonde Recorders AN/TMQ-5 AN/TMQ-5A AN/TMQ-5B and AN/TMQ-5C Manual
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Figure 8-1. External test configuration.


TM 11-6660-204-25
DEPOT OVERHAUL STANDARDS
Section I.
GENERAL
8-1. Applicability of Depot Overhaul
cable modification work orders pertaining to this
Standards
equipment before making the specified tests. DA
Pam 310-7 lists all current modification work or-
The tests outlined in this chapter are designed to
ders.
m e a s u r e the performance of repaired or over-
hauled equipment. The tests will be made on all
8 - 3 . Tools, Test Equipment, and Materials
repaired or overhauled equipment to insure that it
Required
meets the required performance standards prior
to return to stock.
The following tools, test equipment, and materials
are required. When the specific item is not availa-
ble, an equivalent item maybe substituted.
8-2. Applicable References
a. Repair Standards. Applicable procedures for
the depots performing these tests and the general
standards required for repaired equipment form
a part of the requirements for testing this equip-
ment.
b. Technical Publications. The following addi-
tional technical publications are applicable to this
equipment:
(1) TM 11-6660-204-10.
(2) TM 11-6660-204-ESC.
(8) TM 11-6660-204-25P.
(4) TM 11-6660-204-24P-1.
c. Modification Work Orders. Perform all appli-
*Or equivalent. Refer to Appendix B.
Section Il. EQUIPMENT TEST PROCEDURES
S.C.-OUTPUT S.C. switch to its center position.
8-4. Equipment Warmup and Mechanical
After the equipment has stabilized for approxi-
Checks
mately 30 minutes, turn the POWER switch to
a. Standard Test Conditions.
ON and optimize operation by adjusting the fol-
(1) Line voltage
115 volts ac
lowing controls.
(2) Line frequency
60 Hz
(1) With the SIGNAL SELECTOR switch in
(3) Temperature
Ambient room
the S.C. position, adjust the REC. ZERO control
temperature
so the recorder pen marks at 0 divisions on the
(4) Signal input
Frequency Standard
chart.
TS-65C/FMQ-1
( 2 ) Turn the signal selector switch to 60
(5) Test configuration Refer to figure 8-1
CPS; the recorder pen should print at approxi-
m a t e l y 30 chart divisions. Turn the SIGNAL
b. Epuipment Turn-On. Turn the POWER
SELECTOR switch to 120 CPS; the recorder pen
LINE switch to ON, the POWER switch to
should print at approximately 60 chart divisions.
STAND BY, open the vent on top of cabinet, turn
(3) Depress the REC. TEST toggle switch
the FAN switch to ON, the RAWIN TIME
and adjust REC. TEST ADJ. control so the recor-
P R I N T switch to OFF, the OPERATE LOCK
der pen prints at 96 chart divisions.
switch  to  OPERATE,  and  the  INTER
Change 1


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