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Operations and Procedures in the Operating Manual.
CAUTION: IF DEICING SOLUTION IS INADVERTENTLY SPRAYED INTO THE
ENGINE/APU INLETS OR CONTACTS THE EXHAUST WHEN ENGINES OR
APU ARE OPERATING, POTENTIALLY UNSAFE CONDITIONS COULD
DEVELOP IN THE CABIN. ENGINE/APU BLEEDS SHOULD BE CLOSED
DURING DEICING OPERATIONS TO MINIMIZE THE RISK OF CABIN
ENVIRONMENT CONTAMINATION.
2-08-20: External Start:
Either engine, or both in turn, may be started from an External Air supply.
2-08-30: Crossbleed Start:
After starting one engine from either APU or an external air supply, the other engine may be
started by crossbleeding air from the running engine. Advance power on the running engine to
achieve a minimum of 25 to 30 PSIG on Bleed Air Pressure Gage or CAS Page "Engine Start"
and proceed as for a normal start. Return engine to idle after crossbleed starting.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 2
NORMAL
PROCEDURES
2-46 FAA APPROVED
31 May 2000
2-08-40: Engine Cranking Cycle:
1. HP Fuel Cock...................................................................................................................SHUT
2. Power Lever...................................................................................................................... IDLE
3. APU Air/Bleed Air .............................................................................................................. ON
4. Boost Pump.......................................................................................................................... ON
5. Engine Crank Master ........................................................................................................... ON
6. Engine Start Switch ............................................................................................................. ON
7. Start Valve Message ............................................................................................................ ON
8. Engine Rotation (LP, HP)........................................................................................CONFIRM
9. Oil Pressure......................................................................................................... INDICATING
10. Engine Crank Master ......................................................OFF (after thirty (30) seconds MAX)
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 2
NORMAL
PROCEDURES
FAA APPROVED 2-47
31 May 2000
2-08-50: Engine Start - Battery Power Only:
Use this checklist in situations where the only electrical source available is the airplane’s batteries
and an air source is available from either APU or External Air Cart.
The checklist calls for switches to be selected before selecting batteries ON. The intent is to
reduce drain on the batteries while performing normal checklist functions.
If the APU is the source of air for engine start, expedite steps between APU START and first
engine START. This reduces drain on batteries.
Complete all safety checks and as much of "Before Starting Engines" Checklist as possible.
1. Chocks ..................................................................................................................... IN PLACE
2. HP Fuel Cocks .................................................................................................................SHUT
3. Circuit Breakers ............................................................................................................CHECK
4. EPMP Bus Switches .......................................................................................................AUTO
5. APU Air.............................................................................................................................OFF
6. Beacon ................................................................................................................................ ON
7. Standby Engine Instruments .....................................................................................MANUAL
8. Standby Warning Lights Panel .................................................................................MANUAL
9. Left Main Boost Pump......................................................................................................... ON
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 2
NORMAL
PROCEDURES
2-48 FAA APPROVED
31 May 2000
10. Fuel Crossflow.................................................................................................................OPEN
11. Engine Temperature Controls.............................................................................................. ON
12. Engine Start Master ............................................................................................................. ON
　
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