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TM 10-4930-229-12&P
NOTE
Periodically during operation, check the differential pressure indicator (see figure
2-3). If reading is red, shutdown the equipment and replace filter elements (refer to
TM 5-4330-217-12&P). Monitor the sight gage during and after pumping operation.
Drain off water when ball float rises halfway up in gage.
c. Bonding and Grounding Procedures. Refer to figure 2-4.
WARNING
DEATH or serious injury may result if proper bonding and grounding procedures are
not followed prior to operating the equipment.
NOTE
Bonding is the process that equalizes the charge on two unlike objects such as an
aircraft and a refueling nozzle. It is done in order to prevent arcing, in the presence of
flammable vapors, as the two objects are joined.
(1) Extend the grounding cable from the nozzle so it can be inserted into the vehicle/aircraft receptacle
(if present). Otherwise, attach the grounding clip to a bare metal surface of the receiving vehicle/
aircraft. Bond before the dust cap or gas tank cap is removed to prevent a spark occurring when
fuel vapor is present. Do not disconnect the bond until refueling is complete and the gas tank cap
and nozzle dust cap are replaced.
NOTE
Aircraft equipped with closed-circuit refueling receivers are refueled by attaching the
nozzle to the fitting mounted on the aircraft fuel tank. Aircraft and other vehicles not
equipped with closed-circuit refueling receivers are refueled by connecting the
gravity-fill adapter to the nozzle.
(2) When refueling operations are completed, stop the engine in accordance with TM 9-2805-257-14.
Hang nozzle and gravity-fill adapter on ground rod hangers. Do not lay nozzle or adapter on the
ground.
(3) Drain water from filter/separator. Leave vent open during shutdown unless possibility of
contamination exists.
(4) Perform necessary After (A) PMCS (paragraph 2-5).
d. Filling a 500-GalIon Collapsible Drum. The piping diagram (figure 2-5) shows the FARE pumping fuel from
an alternate fuel source to a 500-gallon (1892.5 liter) collapsible drum. Set up as shown, the FARE requires
a minimum of 2 men to operate, one man to act as a pump tender and a second man to dispense fuel into
containers. Setting up the equipment for a filling operation is essentially the same as for a fueling operation,
except for the specific selection of components for its configuration. Proceed as follows:
(1) Position pump/engine (1, figure 2-5) and filter/separator (2) assembly, suction hoses (3) and adapter
(4). Remove dust caps and plugs, ensure gasket is in place and connect components.
Change 3 2-12.1 /(2-12.2 blank)
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