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2. L / R MAIN DC SENSE CBs (P: H-14, I-14)............................PULL
3. Standby Electrical Power Switch................................................ ON
4. Standby Electrical Power TRU Switch ....................................... ON
5. Battery Ammeters ............................................................................
.. MONITOR FOR INDICATION AND LOAD SHED IF REQUIRED
NOTE: Steps 1 thru 4 cause DU 2 to be unpowered, DU 6 to Red X and
the copilots PFD to autotransfer to DU 5. Selecting NORM-ALT-ALT on
the SG reversionary panel will restore the copilot’s displays to normal.
DU 2 will remain unpowered for remainder of flight.
For Approach and Landing:
NOTE: If standby electrical power is interrupted during the following
steps, cycle Standby Electrical Power switch OFF then ON.
6. Gear Handle.........................................................................DOWN
7. Flaps ...............................................................SET FOR LANDING
8. Emergency Batteries.................................................................. ON
9. Ground Spoilers ........................................................................OFF
10. HP RPM ............. MAINTAIN 67% HP RPM UNTIL TOUCHDOWN
NOTE: Once the airplane is on the ground, there is no need to continue
to maintain 67% HP RPM. The standby electrical system will stay on line
during normal taxi maneuvers. If standby electrical power is interrupted,
cycle the Standby Electrical Power Switch OFF then ON to regain power.
11. Reverse Thrust.......................................................... DO NOT USE
On touchdown:
12. Flight Spoilers................................................MANUALLY DEPLOY
AT A SLOW RATE (APPROXIMATELY 5 SECONDS)
13. Normal Braking .....................................USE TO STOP AIRPLANE
END
Quick Reference Handbook
REVISION 7 ABNORMAL / EMERGENCY PROCEDURES
May 30/02 Page EA - 7
Electrical System - Battery Only Operation AFM 4-07-30
1. Essential DC Bus Battery Switch................................................ON
2. Battery 1 and 2 Switches............................................................ON
3. Crossflow............................................................................... OPEN
4. Fuel Boost Pumps (One Main Only).......ON (ALL OTHERS - OFF)
5. "L or R FUEL PRES LOW" Warning Message ........ CHECK / OUT
CAUTION: IMMEDIATE DESCENT TO APU START ENVELOPE
(15,000 FT / 250 KCAS) SHOULD BE INITIATED. ATTEMPT MAXIMUM
OF TWO (2) THIRTY (30) SECOND APU START ATTEMPTS. IF APU
START IS UNSUCCESSFUL, MAINTAIN 15,000 FT MSL OR BELOW
(MSA PERMITTING) AND TURN OFF LAST FUEL BOOST PUMP.
6. Left Power, Right Power and Auxiliary Power .......................... OFF
7. All Non-Essential Items ............................................................ OFF
NOTE: Two (2) DUs will be powered with batteries only.
Consideration should be given to turning one or both OFF if the
situation permits.
8. Utility Pump .................................................... OFF/AS REQUIRED
NOTE: The utility pump, if left in the ARM position, will run
continuously when only battery essential power is available to
airplane.
END
Alternator / Converter Failure - Single AFM 3-07-40
1. Appropriate Converter AC and DC Loads/Voltage..............CHECK
2. Electric Master LEFT or RIGHT Power ............................................
..................................OFF, WAIT TEN (10) SECONDS THEN ON
If voltage is produced, automatic transfer back to this source will
occur.
If voltage is not produced or reading is unusual, or if converter
trips off again:
3. Electric Master LEFT or RIGHT Power ............................................
..............................................OFF FOR REMAINDER OF FLIGHT
Continued on next page →
Quick Reference Handbook
ABNORMAL / EMERGENCY PROCEDURES REVISION 7
Page EA - 8 May 30/02
Alternator / Converter Failure - Single, ctd… AFM 3-07-40
If below 15,000 ft., it is recommended that the APU be started as
source of supplemental electrical power. See APU Inflight Operation
– Alternate Electrical Source, page EA-27.
Failure of a portion of a converter may be indicated by one or more
failure messages as follows:
• L AC POWER FAIL • L DC POWER FAIL
• R AC POWER FAIL • R DC POWER FAIL
If any one of these failure messages illuminate, proceed as
follows:
1. Appropriate Converter AC and DC Loads/Voltage.............. CHECK
2. Electric Master LEFT or RIGHT Power............................................
.................................. OFF, WAIT TEN (10) SECONDS THEN ON
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湾流4快速检查单QRH GULFSTREAM IV QUICK REFERENCE HANDBOOK 3(6)
