HPU Size 4

By continuously improving our modernized approach to aircraft hydraulic testing, AERO Specialties’ new and improved HPU-4 delivers industry-leading performance, intuitive operation, and unmatched reliability, allowing for the streamlined servicing of regional, narrowbody, and widebody jets. Rugged, galvanized steel chassis offering excellent corrosion and fluid exposure resistance Sprung towing axle and pivoting front wheel assembly with parking brake Comprehensive digital display and control system Adjustable pressure and flow presets with touch screen control Push button control of bypass valve and reservoir selector valve Continuous monitoring and display of flow, pressure, temperature, reservoir level, and filter condition with optional contamination monitoring Timestamped performance data logging Toolless access doors allowing for simplified regular maintenance Standard Features: 3-micron supply and 5-micron return filters Red and green LED status indicator beacons Audible startup/fault alarm Full length internal drip pan Full length hose drip trays Dual-fan oil cooler Easily accessibly reservoir drain valve Tie down points and forklift pockets Options: Input Power Cable Lengths 50 ft (15.2m) 100 ft (30.4m) *electrical plug not supplied by AERO specialties External Supply/Return Hose lengths 25 ft (7.6m) 50ft (15.2m) Single and dual system output hoses Systems not to be operated simultaneous on dual systems Tires Pneumatic Foam-filled Solid rubber Inline Contamination Monitor Return Sight Glass Phosphate Ester Resistant Storage Cover Safety Features: Safety-rated motor soft starter with overcurrent protection Input voltage monitor Fluid overtempetature shutoff Reservoir high/low level shutoff Latching emergency stop AMM Approvals: B737-NG/MAX, B757, B767 COM-163 B777 COM-1796