ELCS PAO Servicing Unit (EPSU)

The Electronic Liquid Cooling System (ELCS) PAO Service Unit P/N 122081-100, hereafter referred to as the EPSU,
maintains the operational readiness of the aircraft ELCS unit. It is intended to be used at land-based aviation facilities, as well as shipboard, as part of both unscheduled and scheduled maintenance. The EPSU connects to the aircraft ELCS via the quick disconnects (QD) located at the rear of the unit. The EPSU is mounted on a towable and steerable four-wheeled chassis and is powered by facility 60Hz power.
INTENDED USE. The EPSU is intended to perform the following system functions:
• Fill the EPSU reservoir with PAO fluid
• Decontaminate the system PAO fluid
• Dehydrate the PAO fluid contents
• Degas (or bleed air) PAO fluid
• Drain the ELCS system
• Drain the EPSU reservoir
• Fill the ELCS system

P/N: 122081-100
NSN: 4920-01-617-4687
Electronic Liquid Cooling System (ELCS)
ELCS PAO Servicing Unit (EPSU)

Hydraulics International, Inc. (HII) has over 40 years history of cutting edge aircraft ground support equipment (GSE) ingenuity and new product technology innovation. HII is one of the world’s leading manufacturers of both military and commercial aircraft ground support equipment (GSE), especially in the supply of our new generation Hydraulic Test Equipment, which will keep hydraulic system in aircraft, helicopter, aircraft hydraulic flight components, hoses, pipes, tubing, valves, valve actuation etc. operating safely and effectively. Our Hydraulic Test Equipment are also robustly designed to provide diagnostic instrumentation for innovative testing, self-calibration, maintaining, servicing and troubleshooting of hydraulic equipment, components & system under testing.  HII is the preferred Provider of our new generation Portable Hydraulic Test Stands, Stationary Hydraulic Test Benches etc. to the military & commercial aerospace industry.

Hydraulics International, Inc. is one of the world’s leading manufacturers of both military and commercial aircraft ground support equipment (GSE).

1) Defense/Aviation/Commercial Ground and Engineering Support Equipment Systems (GSE).

2) Pneumatic Driven Liquid Pumps / Pneumatic & Electric Driven Gas Boosters / Air Amplifier Systems / Pneumatic & Electric Driven Nitrogen & Oxygen & Hydrogen & Helium & Argon & Carbon Dioxide & Mixed Gas Systems / Hydrostatic Test Pumps / High Pressure Components & Valves.

3) Flow Metering / Analyzing / Totalizing Systems.

 HII is a designer and manufacturer of a wide range of air driven liquid pumps, air driven gas boosters, air driven air pressure amplifiers; electric gas boosters, high-pressure valves and components.  We offer standard products and custom configurations. HII is a leading manufacturer of in-line and insertion turbine flowmeter, rotameter, and associated flow computers. For more than 35 years, they are recognized for superior flow measuring products/services and specialized fluid flow systems.

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