Description and Operation 1 ALL General 1 Mechanism - Cargo Door 1 Operation 6
Component Location 101 ALL Component Index Component Location
Adjustment/Test 501 ALL Adjustment 503 Operational Test 501 System Test 551
Inspection/Check 601 ALL Approved Repairs 801 ALL ACTUATOR - HOOK 52-34-07
Removal/Installation 401 ALL ACTUATOR - LATCH 52-34-06 Removal/Installation 401 ALL ACTUATOR - LIFT 52-34-02 Removal/Installation 401 ALL
52-CONTENTS
GUN Page 8 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
CHAPTER 52 - DOORS
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ACTUATOR - ROTARY 52-34-03 Removal/Installation 401 ALL BOX - JUNCTION 52-34-05 Removal/Installation 401 ALL
DOOR - FORWARD/AFT CARGO 52-34-01 Removal/Installation 401 ALL Inspection/Check 601 ALL
DOOR - PRESSURE RELIEF 52-34-04 Removal/Installation 401 ALL Inspection/Check 601 ALL
HANDLE - MASTER LATCH LOCK 52-34-12 Maintenance Practices 201 ALL HINGE - DOOR 52-34-08 Removal/Installation 401 ALL PULL-IN HOOK - CARGO DOOR 52-34-24 Removal/Installation 401 ALL SOLENOID - CARGO DOOR RESTRAINT 52-34-11 Removal/Installation 401 ALL SPRING - HOOK RETURN 52-34-20 Removal/Installation 401 ALL STRIPES AND ARROWS - LATCH 52-34-21 ALIGNMENT Maintenance Practices 201 ALL SWITCH - CARGO DOOR EXTERIOR 52-34-10 CONTROL Removal/Installation 401 ALL
SWITCHES - CARGO DOOR SEQUENCE 52-34-09 Removal/Installation 401 ALL Inspection/Check 601 ALL
BULK CARGO DOOR 52-36-00
Description and Operation 1 ALL General 1 Door 1 Mechanism - Balance 5 Snubber 5 Operation 5
52-CONTENTS
GUN Page 9 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
CHAPTER 52 - DOORS
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
Component Location 101 ALL Component Index Component Location
BALANCE MECHANISM - BULK CARGO 52-36-02
DOOR Removal/Installation 401 ALL Inspection/Check 601 ALL
DOOR - BULK CARGO 52-36-01 Removal/Installation 401 ALL Inspection/Check 601 ALL
HINGE - BULK CARGO DOOR 52-36-04 Removal/Installation 401 ALL HOOK - BULK CARGO DOOR UPLATCH 52-36-03 Removal/Installation 401 ALL
SNUBBER 52-36-05 Removal/Installation 401 ALL Adjustment/Test 501 ALL
SERVICE 52-40-00
_______
Component Location 101 ALL
Component Index
Component Location
EQUIPMENT COMPARTMENT EXTERIOR 52-48-00
DOORS
Description and Operation 1 ALL General 1 Door - Center Electronic Bay 8
Access Door - Forward Electronic Bay 8 Access Doors - Air Conditioning 1 Access Doors - Auxilary Power Unit 5 Access Operation 12 DOOR - CENTER ELECTRONIC BAY 52-48-04 EXTERNAL ACCESS Removal/Installation 401 ALL
52-CONTENTS
GUN Page 10 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
CHAPTER 52 - DOORS
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
DOOR - MAIN (FORWARD) ELECTRONIC 52-48-03 BAY EXTERNAL ACCESS Removal/Installation 401 ALL
DOORS - AIR CONDITIONING ACCESS 52-48-01 Removal/Installation 401 ALL Inspection/Check 601 ALL
DOORS - APU ACCESS 52-48-02
Removal/Installation 401 ALL
EXTERIOR SERVICE DOORS 52-49-00
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