2 EATONAerospace Group TF100-78D May 2013 Model 61656 Blockout Device Model 61656 Blockout Device is recommended for use when defueling through a hose end regulator or when it is necessary to check out the secondary pressure control device in a system. It does not introduce fuel into the ambient port of the regulator which can later become a dangerous spray during operation. Model 64000 Poppet Adjustment Gauge This simple inexpensive gauge provides an accurate method of achieving the proper adjustment of the poppet of the Model 60427 nozzle. The gauge can be used on many of Eaton’s underwing nozzles. Model IF220351 Inspection Gauge The ball locking sleeve on the standard quick disconnect (QD) and the dry break disconnects will wear with age. Wear of the sleeve can cause the disconnect to accidentally separate resulting in a possible spill. Inspection gauge IF220351 is designed to determine the safe limits of the sleeve wear. Eaton’s Carter Model 60427 Underwing Refueling Nozzle is utilized worldwide by more companies and at more airports than any other nozzle. Tens of thousands have been produced for the industry since its introduction in 1970. Although designed for commercial application, it has been widely used by the military, especially in pantograph hot refueling operations. It is of modular design with various swivel disconnects, hose end control valves (HECVs) and other options available to tailor the nozzle to specific requirements. Model 60427 is a family of nozzles building upon the base unit to achieve the desired end product. Features • Lightweight and rugged • Connects to 3-lug international standard aircraft adapter • Self-adjusting pressureloaded nose seal • No mechanical adjustments or springs used. Leak free under extreme side loads, worn adapters and extreme temperatures. • Nose seal can be changed with minimal disassembly • Lead-in ramps of stainless steel for longer life • Operating handle fully protected from damage • Bicycle-type handles with replaceable grips standard for ease of operation and low cost replacement • Two threaded ports in nozzle body allow simultaneous vacuum breaker and product sampling fitting installation • Modular construction — easy to customize to specific requirements • 2, 2½ and 3-inch NPT and BSPP threaded quick disconnect (QD) inlets available • Optional 60- and 100-mesh screens retained with snap ring for ease of removal • 35, 45 and 55 psi (2.413, 3.103 and 3.792 bar) hose end control valves available • Choice of new ball valve or dry break disconnect for easy strainer inspection available • Bonding cable, vacuum breaker and longer (6-inch) handles optional • Low pressure drop Special Tools Certain special tools are recommended for the maintenance of Model 60427 nozzles (see following descriptions). Design Concepts
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