ata 80 cfm56 3
DESCRIPTION
Boeing 737-3/-4/-500TRANSCRIPT
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START AND IGNITION
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START AND IGNITION
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PNEUMATIC SOURCES FOR STARTING
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ENGINE START SYSTEM
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START VALVE
28 VDC POWER FROM
BATTERY BUS
(80 PSI)
3/8”
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ENGINE STARTER
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ENGINE STARTER INSTALLATION
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5TH STAGE START BLEED VALVE
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5TH STAGE START BLEED VALVE
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ENGINE START CIRCUIT
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STARTING WITH APU
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STARTING WITH APU
MINIMUM
30 PSI
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STARTING WITH GROUND CART
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CROSS BLEED START
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ENGINE START SWITCH
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ENGINE START SEQUENCE
FUEL AND PNEUMATIC PRESSURE …………………….. CHECK
IGNITION SELECT SWITCH ……………………………... IGN L/R
START SWITCH ……………………………………………… GRD
N2 RPM INDICATOR …………………………………. INCREASING
N1 RPM INDICATOR …………………………………. INCREASING
START LEVER
(N2 = 25% O
MAXIMUM MOTORING & MINIMUM N2 = 20%) ……….. IDLE
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ENGINE START SEQUENCE (CONT)
FUEL FLOW INDICATOR ………………………………. INDICATION
EGT INDICATOR ………….……………………………... NORMAL
START SWITCH (N2 = 46% RPM) …………………….. OFF
OIL PRESURE INDICATOR ……………………………. INDICATION
ENGINE INSTRUMENTS …………………………. STABLE AT IDLE
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ENGINE START SEQUENCE
FUEL PUMPS …….ON MINIMUM…….30 PSI
SELECT RIGHT/LEFT IGNITER
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ENGINE START SEQUENCE
N1 ROTATION
BEFORE
ENGINE START
LEVER TO
IDLE
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ENGINE START SEQUENCE
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ENGINE START SEQUENCE
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