747-400 MAINTENANCE MANUAL
 CHAPTER 32 - LANDING GEAR
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject_______ Page
LANDING GEAR 32-00-00
____________
 Description and Operation 1 General 1 Extension and Retraction 5 Landing Gear Indication System 6 Main Gear and Doors 1 Nose Gear and Doors 1 Steering 5 Wheels and Brakes 5
 Maintenance Practices 201
Airplane Back to Its Usual 207 Condition - Body Landing Gear and Nose Landing Gear Locked Down
 Airplane Back to Its Usual 210 Condition - Wing Landing Gear Locked Down
 Preparation of the Airplane for 201 Dispatch with the Body Landing Gear and the Nose Landing Gear Locked Down
 Preparation of the Airplane for 206 Dispatch with the Wing Landing Gear Locked Down
 AXIAL CLEARANCE - LANDING 32-00-01 GEAR-COMPONENT Approved Repairs 801 LANDING GEAR - SHOCK STRUT INNER 32-00-03 CYLINDER Inspection/Check 601
Inspection for Cracking and 601 Chipping on the Shock Strut Inner Cylinder ChromeEffectivity
ALL
ALL
ALLALL
 32-CONTENTS
 GUN Page 1 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 32 - LANDING GEAR
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 LANDING GEAR CONTROL CABLES 32-00-40
 Description and Operation 1 ALL
 Cables - Landing Gear 1
 Control
 Seals - Brake Cable Air 1
 Pressure
 Seals - Landing Gear Control 1
 Cables Air Pressure
 LANDING GEAR STRUCTURAL FUSE 32-00-20
 POINTS
 Description and Operation 1 ALL
 General 1
 LOCKS - LANDING GEAR DOOR 32-00-30
 Maintenance Practices 201 ALL
 LUBRICATION RETAINER - LANDING 32-00-50
 GEAR
 Approved Repairs 801 ALL
 LANDING GEAR MULTIPLE USE 32-09-00
 SYSTEM/COMPONENTS

 Description and Operation 1 ALL General 1 Relays - Air/Ground 1 Unit - Proximity Switch 3
 Electronics (PSEU)
 Operation 4

 Component Location 101 ALL Component Index Component Location
 CIRCUIT CARD - PSEU 32-09-04 Removal/Installation 401 ALL ELECTRONICS UNIT - PROXIMITY 32-09-03 SWITCH (PSEU) Maintenance Practices 201 ALL Erase the PSEU Memory (CMC 203 Ground BITE Test Procedure)
 Supply a New Flight leg to 201 the PSEU (Engine Operation Procedure)
 32-CONTENTS
 GUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 CHAPTER 32 - LANDING GEAR
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 Removal/Installation 401 ALL Adjustment/Test 501 ALL PSEU - Ground Test 501 RELAYS - AIR/GROUND 32-09-02 Maintenance Practices 201 ALL
 Check of the Air Mode/Ground 211 Mode - Air/Ground Relay System
 Prepare Safety-Sensitive 201 Systems for Air Mode Simulation
 Put the Air/Ground Relay 204 System in the Air Mode Put the Air/Ground Relay 209 System in the Ground Mode
 Put the Air/Ground Relay 206 System Back in the Ground Mode
 Put Safety-Sensitive Systems 208 Back to the Condition Before Air Mode Simulation
 MAIN LANDING GEAR AND DOORS 32-10-00
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 Description and Operation 1 ALL
 General 1
 Doors - Body Gear 1
 Doors - Wing Gear 1
 Landing Gear - Body 1
 Landing Gear - Wing 1

 32-CONTENTS
 GUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CHAPTER 32 - LANDING GEAR
 TABLE OF CONTENTS
_________________
 Chapter Section
 Subject_______  Subject ____ Effectivity_______ Page ___________
 WING GEAR  32-11-00
 Description and Operation 1 ALL General 1 Actuator - Positioning, Truck 9 Beam - Walking, Actuator 9 Brace - Drag 3 Links - Torsion 8 Lock - Truck Mechanical 9 Mechanism - Positioning, Truck 9 Roller - Uplock 8 Shield - Truck Bumper 11 Strut - Shock 1 Strut - Side 3 Sturt - Jury 8 Truck - Wheel 8 Trunnion 9 Valve - Shock Strut Charging 11 Valve - Truck Positioning 11
 Bypass Reducer
 Operation 11

 Component Location 101 ALL Component Index Component Location
 ACTUATOR - TRUCK POSITIONING 32-11-20 Removal/Installation 401 ALL Inspection/Check 601 ALL
 BEAM - WALKING 32-11-15 Removal/Installation 401 ALL Inspection/Check 601 ALL
　
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