Page 2-29
Pilot’s Operating Manual
Revision A2: Nov, 2004
Sub-section 2
GROUND SERVICING
Hawker 800XP Pro Line 21
Section VI - GROUND OPERATIONS
Preparation for Gravity Refueling Wing Tanks (continued)
III. All airplanes gravity refueling wing tanks when external power or the APU is available:
(1) Calculate the fuel quantity to be off-loaded.
CAUTION: INVESTIGATE ANY CONTAMINATION, OTHER THAN WATER, OF THE FOLLOWING
DRAINED SAMPLE.
(2) Drain all water from the tanks (Figures 6 & 8).
(3) Energize the 28 VDC busbars.
(a) On either CDU, push and release the IDX button.
(b) On the CDU, push and release the R-LSK2.
The Engine/Fuel data page will be displayed on the CDU.
(4) If the wings are to be only partially refueled, check the wing FUEL contents displayed
on the CDU and make sure the indication shows the correct current fuel state.
(5) Comply with local refueling safety precautions.
(6) Refer below to Gravity Refueling Wing Tanks Procedure and continue with steps
1 thru 14:
Gravity Refueling Wing Tanks Procedure
(1) Bond the refuel vehicle or the hydrant to the airplane.
(2) Check the fuel contents of each tank as displayed on the CDU.
(3) Put the wing skin protection mat in position on the wing at the filler point (Figure 9).
(4) Bond the refuel nozzle to the bonding spigot on the wing, unlock and remove the filler
cap from wing.
(a) Turn the handle to release cap.
(b) Lift the handle from the recess.
(c) Remove the cap from the skin adapter.
(5) Refuel to the level required, both tanks at the same time if possible.
(6) The wing tanks are full when the fuel level gets to the filler neck flap valve. Do not
overfill.
(7) Check the fuel contents of each tank as displayed on the CDU.
