MIL-STD-1548G
5.1.3.1.2 Grounding clamp. When the aircraft being serviced is not equipped with grounding receptacles or a plug is not available, a grounding clamp conforming to or equivalent in design to MIL- DTL-83413/7 shall be used on the bonding cables of the refueling equipment. When a grounding clamp is used, it shall be connected to a bare metal surface of the aircraft. Do not secure/attach to external doors, latches or hinges.
5.1.3.2 Aircraft Pressure Refueling Nozzle. Aircraft pressure refueling nozzles shall meet the requirements of SAE AS5877.
5.2 Type II. Type II Refueling at Commercial Airports shall be performed as specified in the
IATA Joint Into-plane Guidelines (JIG 1), except as noted herein.
5.2.1 Jet fuel specifications. The IATA guide specification, ASTM D1655, or applicable specification cited in the contract, shall be used with the following additional requirements.
5.2.1.1 Additive injection. When additives are required, see paragraph 5.1.1.1.
5.2.2 Maintenance and testing of fueling equipment. The requirements in the IATA Joint Into- plane Guidelines (JIG 1) apply with the following exceptions.
5.2.2.1 Bonding wires. When testing for continuity, use either of the following methods. a. Continuity tester N22T (Ray-O-Vac) or equivalent.
b. Simpson Model 260, Volt ohm Meter or equivalent. When using this type test equipment the resistance shall be 25 ohms or less.
5.2.2.2 Storage tanks. Storage tanks shall be inspected and cleaned as necessary whenever tank samples show a continuous solids build-up or when filtration elements on the downstream side of tanks show evidence of premature plugging from excessive solids.
5.2.3 Fueling operations. The requirements of the IATA Joint Into-plane Guidelines (JIG 1)
apply in their entirety with exceptions noted herein.
5.2.3.1 Electrostatic Bonding.
5.2.3.1.1 Grounding plug. When the aircraft being serviced is equipped with a grounding receptacle, a grounding plug conforming to or equivalent in design to MIL-DTL-83413/4 shall be used.
5.2.3.1.2 Grounding clamp. When the aircraft being serviced is not equipped with grounding receptacles or a plug is not available, a grounding clamp conforming to or equivalent in design to MIL- DTL-83413/7 shall be used on the bonding cables of the refueling equipment. When a grounding clamp is used, it shall be connected to a bare metal surface of the aircraft. Do not secure/attach to external doors, latches or hinges.
5.2.3.2 Aircraft Pressure Refueling Nozzle. Aircraft pressure refueling nozzles shall meet the requirements of SAE AS5877.
5.2.4 Filtration equipment. The filtration equipment requirements in the IATA Joint Into-plane
Guidelines (JIG 1) apply in their entirety with exceptions noted.
5.2.4.1 Filtration requirements. All aviation fuel shall pass through two filters. One filter shall be at the inlet to the operating tank and one filter shall be on the fueler-loading rack or hydrant delivery lines. The initial filter must be a filter separator. The final filtration of jet fuel shall be through a filter separator or a full flow monitor. One of the two filters used for aviation gasoline shall be a filter separator or fuel monitor. The filter separator referred to for both products shall meet the requirement of API/EI 1581 or MIL-PRF-52308. The full-flow monitor shall meet the requirements of EI1583. The
micronic filter shall meet the requirement of API /EI1590. Filtration equipment shall be designed so that fuel bypass is not possible.
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