Ata 80 cfm56 3
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Transcript of Ata 80 cfm56 3
START AND IGNITION
START AND IGNITION
PNEUMATIC SOURCES FOR STARTING
ENGINE START SYSTEM
START VALVE
28 VDC POWER FROM
BATTERY BUS
(80 PSI)
3/8”
ENGINE STARTER
ENGINE STARTER INSTALLATION
5TH STAGE START BLEED VALVE
5TH STAGE START BLEED VALVE
ENGINE START CIRCUIT
STARTING WITH APU
STARTING WITH APU
MINIMUM
30 PSI
STARTING WITH GROUND CART
CROSS BLEED START
ENGINE START SWITCH
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
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
ENGINE START SEQUENCE
FUEL PUMPS …….ON MINIMUM…….30 PSI
SELECT RIGHT/LEFT IGNITER
ENGINE START SEQUENCE
N1 ROTATION
BEFORE
ENGINE START
LEVER TO
IDLE
ENGINE START SEQUENCE
ENGINE START SEQUENCE