21-CONTENTS
BEJ Page 7 Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CHAPTER 21 - AIR CONDITIONING
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ASSEMBLY, MODULATION LOUVER -21-52-91 RAM AIR EXHAUST Removal/Installation 401 [*] [*] AIRPLANES WITH RAM AIR EXHAUST LOUVERS (PRE-SB 21-1123)
Approved Repairs 801 [*] [*] AIRPLANES WITH RAM AIR EXHAUST LOUVERS (PRE-SB 21-1123)
ASSEMBLY, MODULATION PANEL SHAFT 21-52-51
-RAM AIR INLET Removal/Installation 401 ALL CABLES, CONTROL - RAM AIR INLET 21-52-81 Adjustment/Test 501 ALL DUCTS - RAM AIR 21-52-52 Approved Repairs 801 ALL PANEL, MODULATION - RAM AIR 21-52-41 INLET Removal/Installation 401 ALL RAM AIR INLET DEFLECTOR 21-52-21 Removal/Installation 401 ALL SENSOR - RAM AIR 21-52-13 Removal/Installation 401 ALL TEMPERATURE CONTROLLER - RAM AIR 21-52-12 Removal/Installation 401 ALL
TURBOFAN 21-52-61 Unit Servicing 301 Removal/Installation 401 ALL
VALVE - TURBOFAN 21-52-71
Removal/Installation 401 ALL
EQUIPMENT COOLING SYSTEM 21-58-00
Description and Operation 1 [*] General 1 Airflow Detection System 4 Automatic Flow Control Valve 4 Check Valves 5 Equipment Cooling Blower 1 Equipment Mounting Shelves and 4
Ducts
[*] APLS WITHOUT EFIS
Trouble Shooting 101 [*]
[*] APLS WITHOUT EFIS
21-CONTENTS
BEJ Page 8 Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CHAPTER 21 - AIR CONDITIONING
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject Page_______ _______ ____ Effectivity___________
Adjustment/Test 501 [*]
[*] AIRPLANES WITHOUT EFIS
EFIS COOLING SYSTEM 21-58-02
Description and Operation 1 [*]
General 1
Bleed Orifice 5
Check Valves, Normal and 1
Alternate
Ducts and E3-5 Shelf 5
Fans, Normal and Alternate 1
Cooling
Filter Assembly 1
Sensor, Low Flow 1
Operation 5
[*] APLS WITH EFIS
Trouble Shooting 101 [*]
[*] APLS WITH EFIS
Adjustment/Test 501 [*]
[*] APLS WITH EFIS
Inspection/Check 601 [*]
[*] APLS WITH EFIS
EQUIPMENT COOLING SYSTEM 21-58-03
Description and Operation 1 [*]
General 1
Airflow Detection System 4
Automatic Flow Control Valve 4
Check Valves 5
Equipment Cooling Blower 1
Equipment Mounting Shelves and 4
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