TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 87 of 528
TM 9-2330-356-14
WARNING
Bonding of the semitrailer to aircraft and
grounding procedures per paragraph 2-8b
while refueling shall be mandatory, regard-
less of the amount of fuel to be dispensed,
due to the dangers of static electricity. Bond
the fuel nozzle ground wire to the aircraft be-
fore bringing nozzle In contact with the air-
craft.
(6) Unreel static reel cable and connect first to
grounding stud, then to aircraft.
(7) Release lock (para 2-11) on the 2½-inch hose
reel and unreel to full length. Remove the dust capon the
bottom load adapter and connect single point nozzle to
bottom load adapter. Open single point nozzle by turning
handle on side of the nozzle.
(8) The defueling hose will be provided at
operation site. Remove dust cap from outlet C and
connect defueling hose to inlet. Nest connect the hose.
NOTE
Make sure valve E is closed and remains
closed during entire operation.
(9) Open valves A (para 2-11f), G, M, and R.
Reset the meter to zero by pushing in reset knob (fig. 2-15)
and turning clockwise.
shut-off float. After about 20–25 seconds flow should stop
to indicate that the float is working properly (para 2-11g).
NOTE
When tank is full, flow should stop automati-
cally.
(13) Close precheck valve D to the CLOSED
position. Fuel flow will resume in about 20 seconds.
(14) At end of operation, release deadman control
S and adjust engine to idle speed (1000-1200 rpm).
Rewind the deadman control hose.
(15) First remove the defueling hose from aircraft,
then remove the hose ground wire. Disconnect the
defueling hose from inlet C. Replace the dust cap to outlet
c .
(16) Close the single point nozzle and disconnect
the nozzle from the bottom load adapter. Replace dust
caps on single point nozzle and bottom load adapter.
(17) Evacuate hose (para 2-14d)
(18) Rewind the 2-inch hose (para 2-11). Tighten
hose reel lock.
(19) Close all valves and shut off engine
(para 2-10d).
WARNING
(10) Set engine throttle at desired flow rate
DO NOT let go of the static reel cable when
(table 2-2).
rewinding until the ball stop is firmly touching
the reel. Failure to follow this warning may
(11) Unreel deadman control S. Squeeze the
cause injury to personnel.
trigger on deadman control to start fuel flow. Meter inlet
pressure gage (fig. 2-15) should be indicating a minimum
of 25 psi. If a minimum of 25 psi is not indicated, shutdown
(20) Disconnect the ground connection first from
operation and contact unit maintenance.
the aircraft, then from the grounding stud. Rewind the
static reel cable.
WARNING
When filling tank by means of defueling, a test
of the precheck system is mandatory. If this
system is not functioning, stop all operations.
Determine the problem and have it corrected
by a qualified technician. Failure of automatic
shut-off to function may result in uncontrolled
fuel spillage and danger of fire and explosion.
(12) Shortly after flow has begun, turn precheck
valve D to (he OPEN position to precheck the automatic
WARNING
Hose reel cabinet door is heavy-use two
hands when opening and closing. Use
latches to lock door. Do not slam.
(21) Close hose reel cabinet door and latch it in
place.
(22) Store and cover fire extinguishers.
e.
Defueling Operation With 1½-inch Hose.
This
operation is used to remove fuel from an aircraft. The fuel
is pumped from the aircraft through a filter/separator, a
2-45
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