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|  MIL-T-81527B(AS)
3.4. 1.6.6 Hydraulic Supply.
3.4. 1.6.6.1 Function.
The Hydraulic Supply HD-776A/AWG-10 shall pro-
vide a single hydraulic pressure capability and shall provide hydraulic
power to the Antenna Maintenance Fixture or to the Antenna Support Fixture
with the table -rack for operation of the antenna.
The Hydraulic Supply shall be of rectangular
3.4.1.6.6.2 Form Factor.
Maximum dimensions exclusive of hoses, fittings and con-
configuration,
nectors, shall be 24-3/4 inches by 17-7/8 inches by 10-3/4 inches. It shall
have a control panel recessed from the top of the unit containing operating
Two nonprotruding handles shall be provided on the
controls and indicators.
top surface and shall be spring loaded to return to stowed position. The
weight of this unit including oil shall not exceed 80 pounds. This unit shall
be mounted in the base of the Anten`na Support Fixture and the operation
normally controlled from the Power Control Panel through the table -rack
interconnecting harness. The unit shall also be capable of delivering rated
Performance when mounted at a remote station up to 40 feed distant from the
AN/APG-59 hydraulic connections.
Electrical cabling and hydraulic hoses
for remote mounting are not furnished as part of the Radar Maintenance Table-
Rack.
The equipment shall operate satisfactorily
3.4.1.6.6.3 Service Conditions.
I
under any of the environmental service conditions or a reasonable combina-
tion of these conditions as specified in MIL-T-21200 for Class 3 equipment.
Primary Input Power Requirements.
The equipment power
3.4.1.6.6.4
requirement shall be:
AC Power: 3-phase, 4-wire 107.5 to 119.5 V, phase to neutral,
380 to 420 Hz, 2800 VA.
3.4. 1.6.6.5 Noise Level. The noise level shall not exceed 70 dB above
reference level of O. 0002 microbar when measured 6 feet from the unit.
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