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A
747-400 MAINTENANCE MANUAL
 K. Remove the Aft Outboard Guide/Restraint Rails (P29th pallet position)
 S 034-085
 (1)  
For the guide/restraint rail at STA 2250-2360 (right), disconnect the transition guide rail from the forward end of the guide/restraint rail.

 S 034-086

 (2)  
Lift the shear-plunger levers on each rail support to retract the shear-plunger studs.

 NOTE: The shear-plunger levers must stay locked in the up position.
____
 S 034-087
 (3)  Move the guide/restraint rail approximately 0.50 inch in the forward or aft direction.
 NOTE: The tension studs on the bottom of the rail supports must
____ align with the holes in the seat track and floor fittings.
 S 024-088
 (4)  Remove the guide/restraint rail with the rail supports.
 TASK 25-58-02-404-126
 3. Guide/Restraint Rails Installation (Fig. 401)
__________________________________
 A. Consumable Materials
 (1)  A00230 Sealant - Insulation Compound, BMS 5-37 Class B
 B. References
 (1)  25-58-00/501, Main Deck Cargo Restraining System
 C. Access
 (1)  Location Zone
 210 Main Deck

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747-400 MAINTENANCE MANUAL
RETRACTABLE GUIDE
VERTICAL RESTRAINT 
A 
B  A  GUIDE RAIL BASE 
B
LIFTED POSITION  1 
FIXED GUIDE QUICK-RELEASE PIN SWING ARM  ASEE LIGHT SWITCH CAUTION 

DOWN POSITION
FORWARD RETRACTABLE GUIDE RAIL
Guide/Restraint Rail Installation
Figure 401 (Sheet 1)

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C82617
A
747-400
MAINTENANCE MANUAL

FLOOR FITTING (REF)
A-A ____ ADJUST THE STOP FORWARD/AFT SO
NOTE: THE GUIDE RAIL IS CLEAR FROM THE GUIDE RAIL

SPACER STOP
B-B
GUIDE RAIL BASE

CAUTION LIGHT SWITCH

Guide/Restraint Rail Installation
Figure 401 (Sheet 2)

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C85782
A
747-400
MAINTENANCE MANUAL

VERTICAL RESTRAINT
GUIDE RAIL PIN END FITTING
HINGE LINK
PLUNGER LEVER
PARK RAIL SUPPORT
STUD
C-C
C

C
PARK RAIL (EXAMPLE)
PARKING POSITION
RETRACTED
POSITION

CATCH PLATE
SUPPORT
RIGHT GUIDE RAIL,
PALLET NO. 1

PLUNGER LEVER (DOWN TO LOCK)
SUPPORT
(5 LOCATIONS)

STUD
D-D D
D
FWD
GUIDE/RESTRAINT RAIL
(RIGHT SIDE)

Guide/Restraint Rail Installation
Figure 401 (Sheet 3)

 C81924
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747-400 MAINTENANCE MANUAL
GUIDE/RESTRAINT RAIL SUPPORT (4 LOCATIONS)
SEEB C D
SWIVELING VERICAL
RESTRAINT
(2 LOCATIONS)

GUIDE/RESTRAINT
RAIL COUPLING
　
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