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TM 9-2330-272-14
2-23. FUEL SERVICING (M131A4C AND M131A5C).
a. General.
(1) The 0-55 gpm (0-208 Ipm) fuel delivery system is used for servicing containers, ground vehicles, or
aircraft whose fuel acceptance rate is less than 225 gpm (852 Ipm).
(2) The 225 gpm (852 Ipm) fuel delivery system is used for servicing containers, ground vehicles, or
aircraft whose fuel acceptance rate is at least 225 gpm (852 Ipm).
(3) Fuel delivery through either 0-55 gpm (0-208 Ipm) or 225 gpm (852 Ipm) fuel delivery system is
accomplished by triggering delivery hose nozzle.
b. Gravity Discharge Through 225 gpm (852 Ipm) System.
WARNING
DO NOT smoke while loading or unloading fuel, when handling fuel containers, or when
located within 50 ft (15.3 m) of fueling or fuel storage areas. Failure to follow this
warning may cause a fire and explosion, resulting in serious injury or death to
personnel.
CAUTION
Do not use gravity discharge when fueling aircraft, vehicles, generators, and other
equipment. Fuel must be filtered when servicing this equipment. Failure to follow this
caution may result in damage to equipment.
NOTE
l Product is metered but not filtered when using this fuel servicing method.
l Refer to appropriate flow diagram at end of subparagraph b for assistance.
(1) Shut down towing vehicle engine and set brakes. Refer to towing vehicle technical manual
(2) Remove fire extinguishers from mounting brackets and take to point of operation.
WARNING
Connect bonding and grounding connections before beginning any fuel handling
operation. Maintain bonding and grounding connections until after all fuel handling is
completed. Connections must be made to clean, unpainted surfaces. An unbended
and ungrounded or improperly bonded and grounded semitrailer could produce a
spark. The resulting explosion will cause serious injury or death to personnel.
(3) Connect bonding and grounding connections (para 2-13).
(4) Ensure that all manually operated valves (3, 4,8,11,12,23, and 24) are closed. Ensure that 3-way
flow valve (20) is set in position 1 with operating lever pushed inward as far as possible.
(5) Ensure that counter of meter (5) is set on zero.
(6) If equipped with a read-out flow selector dial, set selector knob to zero. Close flow selector valve
(0-55 gpm) (7).
WARNING
Use extreme caution when working or walking on top of semitrailer. Catwalk can
become slippery due to moisture or fuel spillage. Failure to follow this warning may
result In serious Injury to personnel.
(7) Have assistant open manhole fill cover of compartment (13, 14, 21, or 22) to be emptied (para 2-14).
2-62
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