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PRODUCT RECEIPT
ELIMINATING OTHER SOURCES OF IGNITION

Aviation Boatswains Mate F - Aviation theories and other practices
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CHANGE OF PRODUCT IN AIRCRAFT REFUELERS Change of product in mobile refuelers is performed according to table 7-2. Product used to flush tanks and piping MUST be treated as contaminated fuel. Samples must be visually inspected for sediment and water, and the specific gravity of each must check within 0.5 of the corrected API of the appropriate product in storage. Change of Product in Storage Tanks The Naval Petroleum Office must be contacted concerning instructions for the change of product grade in storage tanks. ASHORE AVIATION FUELS SAFETY LEARNING OBJECTIVE: Describe the safety requirements and procedures that must be followed during fueling operations ashore. This section contains safety procedures and re- quirements that either are general in nature and therefore not covered in other chapters of this manual or are extremely important and repeated here for emphasis. Any departure from the procedures of this section may adversely affect the overall safety of the operation being performed. Although the procedures and requirements con- tained in this manual are as complete as possible, they are no substitute for experience and a thorough knowledge of aviation fuels and their inherent Table 7-2.—Change of Grade Procedures for Aircraft Refuelers LEGEND: A. Drain, fill with desired product. B. Drain, flush 300 gallons (600 gallons if total filter/separator capacity is 600 gpm) of desired product, drain, fill with desired product. recirculate, sample and test. Pay particular attention to sumps, pumps, filters, hoses and other components likely to trap quantities of liquid. C. Drain, steam clean, and dry. Remove fuel from all refueling system components—that is, sumps, pumps. filters, hoses, and piping—prior to initiating steam cleaning. Replace the filter separator and monitor elements. D. Drain, gas-free, and fill with desired product. 7-28







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