A 737-300/400/500MAINTENANCE MANUAL
R = REVISED, A = ADDED OR D = DELETED CHAPTER 36 F = FOLDOUT PAGE EFFECTIVE PAGES 17 PAGE 3 JUL 12/02 LAST PAGE
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CHAPTER 36 - PNEUMATIC
TABLE OF CONTENTS
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Chapter Section
Subject_______ Subject_______ Page
PNEUMATIC 36-00-00
_________ PNEUMATIC SYSTEM 36-05-00 Description and Operation 1 Maintenance Practices 201 (Pressurize/Depressurize Pneumatic System)
DISTRIBUTION 36-10-00
____________ ENGINE BLEED AIR DISTRIBUTION 36-11-05 SYSTEM Description and Operation 1 General 1 APU Bleed Air (Shutoff) Valve 16 APU Check Valve 16 APU Pressure Relief Valve 16 Bleed Air Isolation Valve 16 Bleed Air Regulator 8 Dual Bleed Light 18 High Stage Regulator 13 High Stage Valve 11 Pneumatic Ground Service 14 Connection Pneumatic Manifold 5 Pressure Regulator and Shutoff 8 Valve 450°F Thermostat 11 5th-Stage Bleed Air Check 7 Valve Operation 18
Effectivity
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36-CONTENTS
BEJ Page 1 Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CHAPTER 36 - PNEUMATIC TABLE OF CONTENTS
_________________ Chapter
Section
Subject_______ Subject_______ Page____
Trouble Shooting Duct Pressure vs N1 at Sea 101 106
Level and 10000, 22000,37000
Feet (Fig. 102). Duct Pressure vs N1 at Sea 105
Level and 5000 Feet (Fig. 102). Engine Bleed Air Distribution System - Component Location (Fig. 101). High Duct Pressure. The Engine Was the Bleed Source (Fig. 105). Low Duct Pressure. The Engine Was the Bleed Source (Fig. 104). Split Duct Pressure. The Engine Was the Bleed Source (Fig. 109). The Bleed Valve Will Not Close 103129115147141
When the Bleed Switches Are
Turned OFF. The Engine Was the Bleed Source (Fig. 107). The BLEED TRIP OFF Light Was On. The Engine Was the Bleed Source (Fig. 103). The Isolation Valve Does Not 107144
Open or Close Properly (Fig. 108). Zero Duct Pressure. The Engine Was the Bleed Source (Fig. 106). 134
EffectivityALL
36-CONTENTS
BEJ Page 2 Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CHAPTER 36 - PNEUMATIC
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
Adjustment/Test 501 ALL Bleed Air Control System -516 System Test Bleed Air Control System 514 Operational Test - APU Bleed Air Control System 511 Operational Test - Engine Bleed Air Isolation Valve 508 Operational Test
Bleed Air Regulator and Bleed 501
Air Overheat Switch
Functional Test
Pneumatic System Duct Leakage 526
Test
Reverse Flow Check Protection 520
-Operational Test Wing-to-Body Overheat 510 Operational Test CONNECTOR - GROUND AIR 36-11-45 Removal/Installation 401 ALL ENGINE BLEED AIR DISTRIBUTION 36-11-05 SYSTEM Inspection/Check 601 ALL
REGULATOR - BLEED AIR 36-11-16 Removal/Installation 401 ALL Adjustment/Test 501 ALL
REGULATOR - HIGH STAGE 36-11-86 Removal/Installation 401 ALL SWITCH - ENGINE BLEED OVERHEAT 36-11-71 Removal/Installation 401 ALL VALVE - APU CHECK 36-11-51 Removal/Installation 401 ALL VALVE - APU PRESSURE RELIEF 36-11-61 Removal/Installation 401 ALL VALVE - BLEED AIR ISOLATION 36-11-25 Removal/Installation 401 ALL
VALVE - HIGH STAGE 36-11-85 Removal/Installation 401 ALL Adjustment/Test 501 ALL
VALVE - PRESSURE REGULATING AND 36-11-15 SHUTOFF Removal/Installation 401 ALL
36-CONTENTS
BEJ Page 3 Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CHAPTER 36 - PNEUMATIC
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
VALVE - 5TH-STAGE BLEED AIR 36-11-35
CHECK
Removal/Installation 401 ALL
BLEED AIR PRECOOLER SYSTEM 36-12-05
Description and Operation 1 ALL General 1 Precooler 1 Precooler Control Valve 1 Precooler Control Valve Sensor 4 Solenoid Valve 4 Operation 4
PRECOOLER - BLEED AIR 36-12-25 Removal/Installation 401 ALL Approved Repairs 801 ALL
SENSOR - PRECOOLER CONTROL VALVE 36-12-45 Removal/Installation 401 ALL SYSTEM AND PRECOOLER - BLEED AIR 36-12-25 DISTRIBUTION Adjustment/Test 501 ALL THERMOSTAT - 450°F 36-12-55 Removal/Installation 401 ALL
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