B737-NG-600-7-8-9-BBJ-Cockpit Guide-Compacn (19-7-10).pdf

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CFM56-7B

TRAINING MANUAL

ITEM

IDENTIFY THE

ITEM

SELECT THE PURPOSE THAT MATCHES THE

NO.

LINE, ACCESSORY OR COMPONENT

NO.

LINE, ACCESSORY OR COMPONENT

LPT air duct

Controls the fan air to the LPT case.

LPTCC valve

Ducts cooling air to the HPT shroud support.

LPT nozzle cooling manifold

1 of 4 tubes that cool the LPT nozzles with fourth

stage air.

HPT air duct

Provides the fan air path to the LPT case

EFFECTIVITY

GENERAL

Page 99

B737-600, -700, -800, -900, -BBJ/ALL

COMPONENT IDENTIFICATION Jan 99

CFMI PROPRIETARY INFORMATION

WORKBOOK

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CFM56-7B

TRAINING MANUAL

ITEM

IDENTIFY THE

ITEM

SELECT THE PURPOSE THAT MATCHES THE

NO.

LINE, ACCESSORY OR COMPONENT

NO.

LINE, ACCESSORY OR COMPONENT

High Stage Bleed Air Valve

Provides cooling air to the ignition leads.

LH ignition lead

Provides 9th stage bleed air to the airplane

systems.

RH ignition lead

Provides the path for electricity to the LH igniter

plug.

Ignition lead cooling manifold

Provides the path for electricity to the RH igniter

plug.

T25 sensor lead

Carries HPC inlet temperature data for the control

logic.

EFFECTIVITY

GENERAL

Page 101

B737-600, -700, -800, -900, -BBJ/ALL

COMPONENT IDENTIFICATION Jan 99

CFMI PROPRIETARY INFORMATION

WORKBOOK

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CFM56-7B

TRAINING MANUAL

ITEM

IDENTIFY THE

ITEM

SELECT THE PURPOSE THAT MATCHES THE

LINE, ACCESSORY OR COMPONENT

NO.

LINE, ACCESSORY OR COMPONENT

NO.

Transient Bleed Valve actuator

Cools the ignition leads.

Ignition lead cooling manifold

Controls 9th stage air bleed to ease engine

acceleration.

TBV electrical connection

Provides the electrical path to the EEC for position

of the TBV.

BSV

Operates the TBV butterfly.

Transient Bleed Valve

Controls the fuel flow for the staged fuel nozzles.

EFFECTIVITY

GENERAL

Page 103

B737-600, -700, -800, -900, -BBJ/ALL

COMPONENT IDENTIFICATION Jan 99

CFMI PROPRIETARY INFORMATION

WORKBOOK

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CFM56-7B

TRAINING MANUAL

ITEM

IDENTIFY THE

ITEM

SELECT THE PURPOSE THAT MATCHES THE

NO.

LINE, ACCESSORY OR COMPONENT

NO.

LINE, ACCESSORY OR COMPONENT

High Stage bleed air valve

Controls 9th stage bleed air to the airplane.

5th Stage bleed air check valve

Fuel nozzle with a gold band.

(DAC) Cooling fuel nozzle

Fuel nozzle with a blue band.

(DAC) Bleed fuel nozzle

Prevents 9th stage bleed air reverse flow into the

HPC.

(DAC) Fuel manifolds

Provides access to the HPT rotor trailing edge.

Borescope plug

Supports the HPT shroud.

HPT Shroud support

Distributes fuel into three manifolds the pilot, main

1, and main 2.

EFFECTIVITY

GENERAL

Page 105

B737-600, -700, -800, -900, -BBJ/ALL

COMPONENT IDENTIFICATION Jan 99

CFMI PROPRIETARY INFORMATION

WORKBOOK

.- /

CFM56-7B

TRAINING MANUAL

ITEM

IDENTIFY THE

ITEM

SELECT THE PURPOSE THAT MATCHES THE

NO.

LINE, ACCESSORY OR COMPONENT

NO.

LINE, ACCESSORY OR COMPONENT

(SAC) Fuel nozzle

Sensor line for the 9th stage air called compressor

discharge pressure (CDP).

PS3 line (also called CDP)

Sprays the fuel into the combustor.

(SAC) Fuel supply manifolds

Prevents leakage if the B nut comes loose.

Fuel nozzle drain shroud

Distributes fuel into the staged and unstaged

manifolds

EFFECTIVITY

GENERAL

Page 107

B737-600, -700, -800, -900, -BBJ/ALL

COMPONENT IDENTIFICATION Jan 99

CFMI PROPRIETARY INFORMATION

WORKBOOK