Filler and Bleeder, Hydraulic, Aircraft
P/N 9701, 9701A, NSN 4910-01-437-0442, MIL-F-83766A
The Hydraulic Filler and
Pressurization Unit, commonly known as a Filler/Bleeder Unit, serves as a
mobile maintenance unit for use in hangars and on flight lines for servicing the hydraulic
systems of aircraft having a system pressure from 0-3000 psi. The Filler/Bleeder is
manufactured in accordance with MIL-F-83766A. The unit is essentially composed of a 19
gallon capacity hydraulic reservoir with inlet and outlet strainers, low pressure transfer
pump, high pressure pump, low and high pressure relief valves, and a 3 micron absolute filter assembly conveniently
located on a three wheeled trailer . A ½" ID x 25ft. long MS28759-8 service hose
with end fittings conforming to MS28760-8 is used to connect the unit to the item being
serviced and is stored in an integral storage cabinet.
Leading Particulars:
 | Length - 53 ½".
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 | Height - 33 ½".
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 | Width - 31".
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 | Dry Weight - 229 lbs.
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 | Reservoir Capacity - 19 gal.
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 | Fluid Type - MIL-H-5606 or equiv.
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 | Fluid Weight - 125 lbs.
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 | Maximum Pressure - 3000 psi.
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