(2)  
The installation of the forward cargo compartment continuous side guides.

 (3)  
The removal of the aft cargo compartment continuous side guides.

 (4)  
The installation of the aft cargo compartment continuous side guides.

 B.  The continuous side guide on each side of each cargo compartment serves for continuous guidance of ULDs in the longitudinal direction. It consists of individual guide assemblies connected by guide rails. Each of the guide assemblies is screwed to the aircraft structure.
 TASK 25-54-03-004-001
 2.  Forward Cargo Compartment Continuous Side Guide Removal (Fig. 401)_______________________________________________________
 A.  Special Tools and Equipment
 (1)  3PRE65B00040, Lower Cargo Door Opening Safety Barrier
 B.  References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 52-34-00/001, Forward/Aft Cargo Doors

 (3)  
AIPC 25-53-16

 C.  Access
 (1)  Location Zone
 100 Lower Half of Fuselage

 D.  Prepare for the Removal
 S 864-002
 (1)  
Supply electrical ground power (AMM 24-22-00/201).

 (2)  
Open the cargo compartment door (AMM 52-34-00/001).

 S 014-003
 S 494-004
 WARNING: BE CAREFUL WHEN YOU ARE NEAR THE OPENING OF THE CARGO
_______ COMPARTMENT DOOR. INSTALL A SAFETY BARRIER (3PRE65B00040) ACROSS THE OPENING OF THE DOOR UNLESS AN ACCESS STAND IS AT THE DOOR. INJURY TO PERSONS CAN OCCUR IF THEY FALL THROUGH THE OPENING OF THE DOOR.
 (3)  Install a safety barrier (3PRE65B00040) across the opening of the cargo compartment door if it is necessary.
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747-400
MAINTENANCE MANUAL

FORWARD CONTAINERIZED AFT CONTAINERIZED
CARGO COMPARTMENT
CARGO COMPARTMENT SEE SEE

FORWARD AFT ENTRANCE ENTRANCE ROLLER ROLLER

FORWARD CONTAINERIZED CARGO COMPARTMENT
(AFT CONTAINERIZED CARGO COMPARTMENT IS EQUIVALENT)

Continuous Side Guide Installation
Figure 401 (Sheet 1)

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L52283
A
747-400
MAINTENANCE MANUAL

PROFILE
SUPPORT

RAIL AND NUT ASSEMBLY
SIDE GUIDE
SEE D
SIDE GUIDE
SEE D
SIDE GUIDE ASSEMBLY
RAIL AND NUT
B
ASSEMBLY
RAIL AND NUT SIDE GUIDE
PROFILE ASSEMBLY ATTACHMENT
ADAPTOR
SIDE GUIDE
BOEING
D
RAIL
RAIL AND NUT
END GUIDE ASSEMBLY
END GUIDE ASSEMBLY
(EXAMPLE)

C
Continuous Side Guide Installation
Figure 401 (Sheet 2)

L52311
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747-400
MAINTENANCE MANUAL

SCREW 
(4 LOCATIONS) 
COTTER PIN 
(2 LOCATIONS) 
HOUSING 
ASSEMBLY 
SHAFT ROLLER 
(2 LOCATIONS) 
WASHER 
(2 LOCATIONS) 
OUTBOARD 
ROLLER TRAY 
(REF) 
BRACKET 
ENTRANCE 
DOOR 
AIRCRAFT 
STRUCTURE 
ENTRANCE ROLLER 
E 
RAMP GUIDE 
ENTRANCE 
ROLLER 
(REF) 
　
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