TM 9-2330-356-14
shut-off float. If float is functional, flow should stop after
WARNING
about 20-25 seconds (para 2-11g).
Bonding of the semitrailer to aircraft and
NOTE
grounding procedures as in paragraph 2-8b
while refueling shall be mandatory, regard-
When tank Is full, flow should stop automati-
less of the amount of fuel to be dispensed,
cally.
due to the dangers of static electricity. Bond
the fuel nozzle ground wire to the aircraft be-
(12) Close precheck valve D to the CLOSED
fore bringing nozzle In contact with the air-
position. Fuel flow will resume in about 20 seconds.
craft.
(13) At end of operation, release the trigger on the
(6) Unreel static reel cable and connect it first to
overwing nozzle, and adjust engine to idle speed
grounding stud, then to aircraft.
(1000-1200 rpm).
(7) Release lock (para 2-11) on the 1-inch hose
(14) Remove the defueling hose from aircraft
reel, and unreel all hose. Remove the dust cap from the
first, then remove the hose ground wire. Disconnect the
bottom load adapter and connect converter to the
defueling hose from inlet C. Replace the dust cap to
adapter.
outlet C.
(8) Remove dust cap from inlet C and connect
defueling hose to inlet. Next connect the defueling hose
WARNING
ground wire to the aircraft, then connect the hose.
DO NOT let go of the static reel cable when
rewinding until the ball stop is firmly touching
NOTE
the reel. Failure to follow this warning may
Make sure valve E is closed and remains
cause injury to personnel.
closed during entire operation.
(15) Disconnect the ground connection first from
(9) Open valves A (para 2-11f), G, M, and P
the aircraft, then from the grounding stud. Rewind the
Reset the meter to zero by pushing in reset knob (fig. 2-15)
static reel cable.
and turning clockwise.
(16) Disconnect the overwing nozzle/converter
NOTE
from the bottom load adapter. Replace dust cap on bottom
load adapter.
If 2-inch hose was used before using
1-inch, depress and hold deadman release
(17) Evacuate hose (para 2-14d).
plunger in the hose reel cabinet (fig. 2-15) for
5-10 seconds to deactivate the deadman
(18) Rewind the 1-inch hose (para 2-11).
system. If this procedure Is not followed, no
Tighten hose reel lock.
fuel will flow to 1-inch hose.
(19) Close all valves and shut off engine
(10) Set engine throttle at desired flow rate
(20) Remove converter from overwing nozzle and
install spout to nozzle.
WARNING
WARNING
When filling tank by means of defueling, a test
of the precheck system is mandatory. If this
Hose reel cabinet door Is heavy-use two
system Is not functioning, stop all operations.
hands when opening and closing. Use
Determine the problem and have It corrected
latches to lock door. Do not slam.
by a qualified technician. Failure of automatic
shut-off to function may result in uncontrolled
fuel spillage and danger of fire and explosion.
(21) Close hose reel cabinet door and latch it in
place.
(11) Shortly after flow has begun, turn precheck
(22) Store and cover fire extinguishers.
valve D to the OPEN position to precheck the automatic
2-47
