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|  MIL-D-63303B(AR)
3.4.2.3.3 Fuel, lubricants, and coolants. The dispenser shall
be tested and furnished with standard military service products of
the type and grade specified (see 6.2.2) for the applicable ambient
air temperature. The dispenser shall operate as specified, herein,
when serviced with these products.
3.4.2.4 Hydraulic system.
3.4.2.4.1 Hydraulic system. The cleanliness of the dispenser
hydraulic system shall be assured by performing a specified onboard
filtering procedure. (See 4.6.2.6.1.2) This procedure shall be
performed during the initial phase of the dispenser system check out
and run-in. The hydraulic fluid filtering process will cleanse all
hydraulic components (Pumps, motors valves, actuators hoses, tube
assemblies, reservoir, etc).
The level of particulate contaminant (roll-off cleanliness) in
the hydraulic system shall meet the requirements of SAE J1165-80,
ISO Code 19/16.
3.4.2.4.1.1 Reservoir. The internal surfaces of the reservoir
shall be free of all visible foreign matter including weld slag,
spatter and flux, prior to connection to the hydraulic system.
3.4.2.4.2 Hydraulic system fluid leakaqe. Fluid leakage of the
dispenser hydraulic system, shall be permissible in the form of a
weep or seep (see 6.7.2). There shall be no evidence of fluid
leakage in the form of a leak (droplet, drip) from the dispenser
hydraulic Control System Other than that Specified herein.
The magazine servo
3.4.2.4.3 Magazine servo relief pressure.
2
3.52 kg/cm ).
relief pressure shall be 230 + 50 psi (16.17
The inlet pressure of any pump
3.4.2.4.4 Pump inlet pressure.
shall not exceed ten (10) inches (254 millimeters) of Mercury vacuum
0
0
at cold start (minus 25 F) (minus 32 C) and the inlet pressure
shall not exceed five (5) inches (127mm) of Mercury vacuum after the
dispenser engine has been brought to operating condition in an
0
0
ambient temperature of minus 25 F (minus 32 C) .
The valve
3.4.2.4.5 Launcher hydraulic relief valve settinq.
2
shall be set for 3300 100 psi (23 2.02 7.03 kg/cm) .
3.4.2.4.6 Magazine and oscillator loop relief valve settings.
oscillator relief valve settings shall be set for 1575 110.1 psi
2
(110.7 + 7.7 kg/cm ) and the magazine valve shall be set for 2400
2
100 psi (168.74 7.03 kg/cm ).
7
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