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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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A
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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A
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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