VALVES - CARGO AIR CONDITIONING FLOW REGULATING Removal/Installation CREW REST VALVE - CREW REST AREA SMOKE MODE SHUTOFF Removal/Installation
PRESSURIZATION
______________
EXCESSIVE CABIN PRESSURE LEAKAGE
________________________________ CONDITION (AMM 05-51-08/201)
____________________________
Component Location
Component Index
Component Location
Chapter SectionSubject
21-26-19
21-28-00
21-28-0621-28-07
21-28-0421-28-0221-28-10
21-29-0021-29-02
21-30-00Page____ Effectivity
401 ALL
1 ALL
1
1
1
6
501 ALL
401 ALL
401 ALL
401 ALL
401 ALL
401 ALL
401 ALL
101 ALL
21-CONTENTS
GUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 21 - AIR CONDITIONING
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
CABIN PRESSURE CONTROL SYSTEM 21-31-00
Description and Operation 1 ALL
General 1
Controller - Cabin Pressure 5
Module - Engine/APU/Cargo Fire 7
Control
Panel - CPCS Selector 5
Relays - Manual Control 7
Unit - Interface Control 6
Valve - Forward Overboard 7
Valve - Outflow 6
Operation 7
Adjustment/Test 501 ALL
Operational Test 501
System Test 505
ACTUATOR ASSEMBLY -21-31-07
PRESSURIZATION OUTFLOW
Removal/Installation 401 ALL
CONTROLLER - CABIN PRESSURE 21-31-02
Removal/Installation 401 ALL
DOORS - OUTFLOW VALVE FLAPPER 21-31-09
Removal/Installation 401 ALL
MODULE - CABIN ALTITUDE CONTROL 21-31-03
Removal/Installation 401 ALL
MOTOR - OUTFLOW VALVE AC 21-31-06
Removal/Installation 401 ALL
MOTOR - OUTFLOW VALVE DC 21-31-08
Removal/Installation 401 ALL
UNIT - INTERFACE CONTROL 21-31-10
Removal/Installation 401 ALL
VALVE - PRESSURIZATION OUTFLOW 21-31-01
Removal/Installation 401 ALL
Inspection/Check 601 ALL
Cleaning/Painting 701 ALL
VALVES - PRESSURIZATION RELIEF 21-32-00
Description and Operation 1 ALL
FILTER - PRESSURE RELIEF VALVE 21-32-02
Removal/Installation 401 ALL
21-CONTENTS
GUN Page 4 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 21 - AIR CONDITIONING
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
VALVE - PRESSURE RELIEF 21-32-01
Removal/Installation 401 ALL
Adjustment/Test 501 ALL
HEATING 21-40-00_______
Component Location 101 ALL
Component Index
Component Location
SUPPLEMENTAL AREA HEATERS 21-42-00
Description and Operation 1 ALL
General 1
HEATER - FLIGHT CREW FOOT 21-42-01
Removal/Installation 401 ALL
HEATER - FLIGHT CREW SHOULDER 21-42-02
Removal/Installation 401 ALL
MODULE - CAPTAIN AND FIRST 21-42-05
OFFICERS HEATER CONTROL
Removal/Installation 401 ALL
FORWARD CARGO COMPARTMENT HEATING 21-43-00
SYSTEM
Description and Operation 1 ALL
General 1
Heaters 1
Switch - Temperature 1
Operation 1
Adjustment/Test 501 ALL
DUCT - FORWARD CARGO HEAT 21-43-04
Approved Repairs 801 ALL
HEATER - FORWARD CARGO 21-43-01
COMPARTMENT
Removal/Installation 401 ALL
SWITCH - FORWARD CARGO 21-43-03
COMPARTMENT TEMPERATURE
Removal/Installation 401 ALL
AFT CARGO COMPARTMENT HEATING 21-44-00
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