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Diesel Engine Driven Hydraulic Mule

GPM/PSI: See Data Below  
Fluid: MIL-H-5606, MIL-H-83282  
Manufacturer: Hydraulic International
Shown as: Overhauled  
NSN: 4920-01-279-4762  
Product Type:   Mule
Part No: 88043-100  
Model No: MJ2A-1  
The test stand is a dual system hydraulic pumping unit designed to check the performance and operating characteristics of aircraft hydraulic systems.

  • Provides a source of hydraulic fluid at controlled pressures and flow rates to operate the hydraulic components without the necessary of starting the aircraft engine.
  • Tests the aircraft hydraulic system for evidence of component malfunction and leakage.
  • Drains fluid and refills the aircraft hydraulic system with micronically filtered hydraulic fluid.
  • Provides a source of hydraulic power for static proof pressure testing of aircraft systems and components at pressure of up to 5000 PSI @ 15 GPM

    The test stand is capable of simultaneous two (2) system operation, performance characteristics, and environmental restrictions. The test stand consist of two (2) hydraulic test system, two (2) control panels, two fill and vent systems, a warning system, two batteries, cabinet, trailer and diesel engine. The two hydraulic test systems and fill and vent systems are identical and independent. The hydraulic test system are powered by a Detroit Diesel Engine, series 6V-53N, model no. 5063-5000, mounted in the test stand housing, and the fill system pump is driven by a 24 VDC motor.

    Each hydraulic test system consists of an axial piston type, high pressure pump. The pump is a variable stroke, pressure compensated type with adjustable volume control. Integal to the high pressure pump is a low pressure boost pump. The boost pump supplies a minimum of 40 GPM of filtered fluid to the fluid to the high pressure pump.

    MJ2A-1 Leading Particulars

    Capacity Single System, 35 GPM @ 3000 PSI, 15 GPM @ 5000 PSIG, Two (2) system 70 GPM (35 GPM/system @ 3000 PSI), 30 GPM (15 GPM/system @ 5000 PSI)

    Hyd. Fluid Temperature To +740C 30C (-40F-1250F)

    Reservoir Capacity 60 US gallons

    High Pressure Pump variable displacement, pressure compensator controlled, axial piston type, 35 GPM @ 3000 PSI with integral boost pump 40 GPM @ 3000 PSI and variable volume

    Filtration Boost System 10 micron two elements, high pressure system filter 5 micron (absolute), fill system 10 micron disposable element

    Flowmeter 0-35 GPM range

    Temperature Gage 0-2000F range

    Heat Exchanger Oil to air type, selected to maintain fluid temperature below +60C (+140F) @ 35 GPM @ 759 PSI at an ambient temperature of +37.8C (+100F)

    Pump 2 GPM @ 150 PSIG, gear type

    Engine 195 HP @ 2800 RPM, V6

    Ask about our overhaul zerotime units with new warranty.
    Approx. Dimensions: 120  
    ALS ID: MUH-134  
    Approx. Weight: 5980 lbs.  

    Units Subject To Prior Sale

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