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). HII build Portable Hydraulic Test Stands (HTS) with more modern, reliable, maintainable and supportability for replacing all existing old HTS of different models.
Dual Independent Hydraulic Carts
Dual Independent Hydraulic System
As the legacy hydraulic test stands such as MJ-2A, MK-3A, TTU-228-1A&B, AM27T-2A and 88043-100 (NSN: 4920-01-279-4762) in the US inventory with old technology are aging over 30 years, United States Air Force (USAF) has contracted Hydraulics International, Inc. to design and develop the new generation of Hydraulic Test stands with the latest state of the art features and components.
These Universal Hydraulic Test Stands (UHTS) have been qualified to the most rigorous military requirement testings such as environmental, Electro Magnetic Interference, Mobility, reliability, maintainability, etc.
Some of the new features are TIER III multi-fuel engine, fully military qualified hydraulic purification system, system diagnostic, built-in test system and Human Machine Interface touch screen operator panel.
Aircraft Hydraulic Purification Performance
1) Contaminant removal: 55 gallon of hydraulic fluid in 5 hours.
2) Water: From 1000 to less than 200 PPM.
3) Chlorinated solvents: From 400 to less than 100 PPM.
4) Air & Gas: 100% dissolved air removal, 98% (by volume) removal.
5) Particulate: Cleanliness level equal to or better than NAS 1638 class 3.
Hydraulic Purification System (HPS) is integral built in UHTS to provide following:
UHTS is a (2-in-1) Unit
UHTS = PHTS + HPS
Dual Independent Hydraulic Carts
Although theses Dual Independent Hydraulic Rigs are designed and built for supporting the F-35 Joint Strike Fighter, these Units are also popular for supporting military Helicopter .
Aircraft Hydraulic Purification Performance
1) Contaminant removal: 55 gallon of hydraulic fluid in 5 hours.
2) Water: From 1000 to less than 200 PPM.
3) Chlorinated solvents: From 400 to less than 100 PPM.
4) Air & Gas: 100% dissolved air removal, 98% (by volume) removal.
5) Particulate: Cleanliness level equal to or better than NAS 1638 class 3.
Hydraulic Purification System (HPS) is integral built in UHTS to provide following:
F-35 HTS is a (2-in-1) Unit
F-35 HTS = PHTS + HPS
Dual Independent Hydraulic System
Although MK-3A is replaced by our new generation Universal Hydraulic Test Stand (UHTS), Air Force around the world still continue to acquire this Unit to support their F-16 or other military aircraft if Aircraft Hydraulic Purification is not required.
These Units are small, compact & lightweight built for operating onboard the aircraft carrier and are qualified to withstand high impact shock test of 18.5g force per attached MIL-S-901D. Suitable for supporting military aircraft & helicopter.
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