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ON ONE SIDE OR GIV AIRPLANE FLIGHT MANUAL
SECTION 3: FAILURE OFTWOFUELBOOSTPUMPS
ON ONE SIDE.
G. Fuel System Check:
Test Conditions:
(1) Ensure the L and R REMOTE FUELING SHUTOFF switches are
OPEN (extended). Verify the CLSD legend is extinguished.
(2) Ensure the crossflow valve is CLOSED.
(3) Ensure the L MAIN boost pump is ON.
(4) Ensure the intertank valve is CLOSED.
(5) Ensure the L FUEL PRESS LOW warning message is not displayed
on CAS.
(6) Ensure the R FUEL PRESS LOW warning message is displayed on
CAS.
Perform the following steps:
(7) Select the L and R REMOTE FUELING SHUTOFF switches
CLOSED (depressed). Verify the CLSD legend is illuminated.
(8) Select the L and R REMOTE FUELING SHUTOFF switches OPEN.
(9) Simultaneously select the crossflow and intertank valves OPEN.
(10) Verify the following:
(a) Horizontal bar in crossflow valve switch capsule illuminates.
(b) Horizontal bar in intertank valve switch capsule illuminates.
(c) FUEL XFLOW OPEN advisory message is displayed on
CAS.
(d) FUEL INT TNK OPEN advisory message is displayed on
CAS.
(11) Verify the R FUEL PRESS LOW warning message is not displayed
on CAS.
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-28-00
Page 21
October 11/01
Revision 5
(12) Select the L MAIN boost pump OFF.
(a) Select the L ALT boost pump ON.
(b) Verify the L FUEL PRESS LOW and R FUEL PRESS LOW
warning messages are momentarily displayed on CAS, then
are removed.
(13) Select the L ALT boost pump OFF.
(a) Select the R MAIN boost pump ON.
(b) Verify the L FUEL PRESS LOW and R FUEL PRESS LOW
warning messages are momentarily displayed on CAS, then
are removed.
(14) Select the R MAIN boost pump OFF.
(a) Select the R ALT boost pump ON.
(b) Verify the L FUEL PRESS LOW and R FUEL PRESS LOW
warning messages are momentarily displayed on CAS, then
are removed.
(15) Simultaneously select the crossflow and intertank valves CLOSED.
(16) Verify the following occurs simultaneously:
(a) Horizontal bar in crossflow valve switch capsule
extinguishes.
(b) Horizontal bar in intertank valve switch capsule extinguishes.
(c) FUEL XFLOW OPEN advisory message is removed from
CAS.
(d) FUEL INT TNK OPEN advisory message is removed from
CAS.
(17) Verify the L FUEL PRESS LOW warning messages is displayed on
CAS.
(18) Select the L MAIN boost pump ON.
(19) Verify the L FUEL PRESS LOW is removed from CAS.
(20) Select the R ALT boost pump OFF.
(21) Verify the R FUEL PRESS LOW is displayed on CAS.
3. Controls and Indications:
A. Circuit Breakers (CBs):
Circuit Breaker
Name:
CB Panel: Location: Power Source:
ALT PUMP CONT PO D-4 Right Main DC
Bus
FUEL INTERTANK
V
PO B-4 Essential DC Bus
FUEL PUMP IND PO A-4 Essential DC Bus
FUEL PUMP
LOGIC (1)
PO C-4 Essential DC Bus
FUEL X FLOW V PO D-2 Essential DC Bus
L ALTN BOOST
PUMPS
PDB RIGHT DC Right Main DC
Bus
OPERATING MANUAL
2A-28-00 PRODUCTION AIRCRAFT SYSTEMS
Page 22
October 11/01
Revision 5
Circuit Breaker
Name:
CB Panel: Location: Power Source:
L FUEL S/O PO A-2 Essential DC Bus
L FUELING S/O PO A-3 Essential DC Bus
L MAIN BOOST
PUMPS
PDB ESS DC Essential DC Bus
MAIN PUMP CONT PO A-1 Essential DC Bus
R ALTN BOOST
PUMPS
PDB RIGHT DC Right Main DC
Bus
R FUEL S/O PO B-2 Essential DC Bus
R FUELING S/O PO B-3 Essential DC Bus
R MAIN BOOST
PUMPS
PDB ESS DC Essential DC Bus
NOTE(S):
(1) Aircraft having SPZ-8000.
B. Warning (Red) Messages and Annunciations:
CAS Message: SWLP Indication Cause or Meaning:
L-R FUEL PRESS LOW
L FUEL PRESS
Fuel pressure at inlet to high
pressure fuel pump is less than
15 psi, or both fuel BOOST
PUMPS on one side have been
selected to OFF with
CROSSFLOW valve CLOSED.
R FUEL PRESS
C. Caution (Amber) Messages and Annunciations:
CAS Message: Cause or Meaning:
L-R ALT FUEL FAIL Indicated alternate fuel boost pump has failed.
L-R MAIN FUEL FAIL Indicated main fuel boost pump has failed.
D. Advisory (Blue) Messages and Annunciations:
CAS Message: Cause or Meaning:
FUEL INT TANK OPEN Fuel intertank valve is open.
FUEL XFLOW OPEN Fuel crossflow valve is open.
4. Limitations:
A. Flight Manual Limitations:
(1) Boost Pumps:
During cruise, one (1) boost pump per side may be selected OFF
provided:
• The fuel contains an anti-icing additive, or:
• Fuel tank temperature is above 0° C
　
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