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state of 4,200 to 4,900 lbs.
9.3.2.2 ARS Interior Checks -
1. PWR switch - OFF
2. STORE switch - OFF
3. HOSE switch - RETR
4. PWR switch - OFF
5. Fuel TRANS switch - OFF
6. Light switch - BRT (day), DIM (night)
7. REFUEL data display switch - DEL
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III-9-12 ORIGINAL
8. HOSE CUT switch - SAFE/GUARD DOWN
NOTE
If the post guillotine shutdown relay in the tail section of the store has
not been reset following guillotine maintenance or actuation, the
system will not operate.
9. EXT LT IDENT knob - select appropriate strobe pattern
9.3.2.3 System Check - Prestart. Have the ground crew rotate the Ram Air Turbine (RAT)
counterclockwise, while facing aft, until the RAT blades are at full feather.
1. External electrical power - APPLY
a. EXT PWR switch - RESET
b. GND PWR switches 1, 2, 3, and 4 - B ON (hold for 3 seconds)
2. RAT unfeather test - PERFORM
a. ARS PWR switch - ON
b. STOW light and PRES light - CHECK ON
c. Make sure ground crew verify proper operation of RAT.
Prior to placing the ARS PWR switch to ON, make sure ground crew are
clear of the ARS as the RAT blades will move to the unfeather position
very rapidly.
3. BIT codes - CHECK
a. REFUEL DATA DISPLAY switch - BIT CODE
b. Refuel data display - CHECK (No codes should be present. If any codes are present, have
ground crew reset display.)
4. BITE test - PERFORM
a. BITE TEST button - PRESS
b. ARS control panel lights - CHECK (All should illuminate for 10 seconds, then go out.)
c. Refuel data display - CHECK (Display counts from 00 to 500 in 25 pound increments, and then
returns to 00. If it indicates 0E, a serious malfunction has occurred and the ARS is down.)
d. Make sure ground crew verify proper operation of all tail cone lights.
5. ARS PWR switch - OFF (RAT remains unfeathered and control panel lights extinguish.)
9.3.2.4 System Check - Airborne.
1. HOSE switch - RETR
2. ARS PWR switch - ON (white STOW light illuminates)
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III-9-13 ORIGINAL
3. BITE test - PERFORM
a. BITE TEST button - PRESS
b. ARS control panel lights - CHECK (All should illuminate for 10 seconds, then go out.)
c. Refuel data display - CHECK (Display counts from 00 to 500 in 25 pound increments, and then
returns to 00 if no faults detected. If 0E is displayed, it indicates a serious malfunction has
occurred and the ARS is down.)
NOTE
· BITE check can only be performed with the hose stowed.
· Self-test of electronic and hydraulic systems takes approximately 90
seconds.
· If BITE is actuated with less than 300 gallons, or 200 pounds of fuel in
the store, invalid fault indications may result.
9.3.2.5 Drogue Extension.
Do not attempt to extend the hose unless system self-test has been
successfully completed.
1. HOSE switch - RETR
2. PWR switch - ON (white STOW light illuminates)
3. Airspeed - 180 to 250 KCAS
4. HOSE switch - EXT (White STOW light extinguishes; amber RDY light illuminates when drogue
reaches full trail. HOSE advisory appears on the DDI.)
5. STORE switch - TO
6. Fuel TRANS switch - AUTO or OFF
9.3.2.6 Fuel Transfer. The amount of fuel to be transferred is automatically set at 2,500 pounds. To
change the scheduled amount, place the REFUEL switch to SCH, and the digital display shows the
amount scheduled. To increase or decrease the amount scheduled, hold the SLEW switch up or down,
respectively. When desired amount is shown on the digital display, release SLEW switch and return
REFUEL switch to DEL. When fuel is transferred with the TRANS switch in AUTO, the digital
display reads upward until the fuel transfer is automatically stopped at the scheduled amount.
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III-9-14 ORIGINAL
Pressing the REFUEL RST button resets the digital display to zero and reschedules 2,500 pounds, or
the previously scheduled amount when the switch is in the DEL position.
The TRANS switch should always be in the AUTO position for normal
fuel transfer. The OVRD position is an emergency condition that
overrides normal system operation and provides fuel flow regardless of
hose position.
9.3.2.7 Receiver Hook-up and Refueling. After the receiver aircraft engages and moves forward into
the refueling range, the store amber RDY light extinguishes. Fuel transfer commences if the FUEL
TRANS switch is in the AUTO position. The green XFR light illuminates when the transfer rate is 20
gallons per minute or higher.
9.3.2.8 Stopping Fuel Transfer. The receiver aircraft receives fuel until one of the following occurs:
1. The IFR probe disengages.
2. The receiver aircraft moves out past the fueling range outer limit, approximately 5 feet from full
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NATOPS Flight Manual 飞行手册 1(155)
