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Page Title:
Test and inspection equipment and facilities |
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| MIL-T-82571A(OS)
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4.4.4.12 An ac voltmeter capable of measuring 102 to 124 volts ac with
an accuracy of plus or minus 1.125 volts.
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4.4.4.13 A C02 bottle of sufficient volume to cool the thermoswitches for
the performance of the muzzle door heater resistance tests and the heater
circuits operating current test.
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4.4.4.14 A push scale with a memory pointer and capacity of at least
30 pounds with an accuracy of plus or minus 10 percent of the reading.
4.4.4.15 A means for measuring the angle of rotation of the muzzle
door to the nearest. 1/2 degree.
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4.4.4.16 A pull scale with a memory pointer and capacity of at least
155 pounds, with a maximum error of plus or minus 10 percent of the reading.
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4.4.4.17 A test circuit capable of supplying 102 to 124 volts 60 Hz ac
from the power supply of 4.4.4.10 to the firing solenoid for a period of
400 milliseconds maximum. Current capacity shall be at least 2 amperes.
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4.4.4.18 DUmmy Torpedo MK 44 Mod 1 (NAVORd) Drawing 1984119) (weight:
433 plus or minus 7 pounds).
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4.4.4.19 Dummy Torpedo Mk 46 Mod 1 (NAVORD Drawing 2652289) (weight:
508 plus or minus 8 pounds).
4.4.4.20 Launching ramp or track on which dummy torpedoes can be
launched.
The ramp or track shall include a means for decelerating and
stopping the dummy torpedo on the track without damage.
4.4.4.21 Two infrared photoelectric control units suitable for use with
electronic counter 4.4.4.22.
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4.4.4.22 An electronic counter capable of recording up to 10,000 mil-
liseconds in one-millisecond intervals with instant reset capabilities.
4.4.4.23 A continuity indicator.
4.4.4.24 A power supply of 28 volts or lower for use with the test cir-
cuit of 4.4.4.25.
4.4.4.25 A test circuit containing necessary circuitry to cut off elec-
trical input power to the solenoid valve when the pressure switch cuts out.
This circuit shall be capable of supplying 102 through 124 volts, 60 Hz ac
from the power supply of 4.4.4.10 to the solenoid. Current capacity shall
be 2 amperes maximum.
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