(b)
Make sure the end stop is free to move forward and aft and lift out of the tray.
S 715-099
(2) Install and align the end stop in the tray.
(a)
Operate the release handle for the tray locking pins to extend the retaining pins through the holes in the tray.
(b)
Make sure the retaining pins engage the holes in the tray and the end stop is locked in the tray.
S 715-054
(3) Make sure the roller turns smoothly and freely.
O. Transition Guide Rail Operation Check (P29th pallet position)
S 715-055
(1) Disengage the quick-release lockpin that holds the forward end of the transition guide rail to the aft right outboard guide/restraint rail.
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747-400 MAINTENANCE MANUAL
S 715-100
(2)
Move the forward end of the transition guide rail aft and inboard to the stowage support.
S 715-101
(3)
Remove the stowage support lockpin and install the transition guide rail in the slot of the stowage support.
S 715-102
(4)
Release the lockpin and make sure the guide rail locks in the stowed position.
S 715-103
(5)
Disengage the quick-release lockpin that holds the forward end of the transition guide rail to the stowage support.
S 715-104
(6)
Move the forward end of the transition guide rail forward and outboard to the aft right outboard guide/restraint rail.
S 715-105
(7)
Remove the lockpin for the outboard guide/restraint rail and install the transition guide rail on the guide/restraint rail.
S 715-106
(8)
Release the lockpin and make sure the guide rail locks in the stowed position.
P. Forward Lock Trays Operation Check (P29th pallet position)
S 715-057
(1) Lift and move each release lever for the lockhead restraint in the aft direction until the restraint lifts and locks in the extended (vertical) position.
(a) Make sure the restraint lifts and locks smoothly.
S 715-058
(2) Lift and move each release lever for the lockhead restraint in the forward direction until the restraint unlocks and lowers to the retracted (horizontal) position.
(a) Make sure the restraint unlocks and lowers smoothly.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-58-00
ALL ú ú 03A Page 512 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
Q.
R.
S.
A
747-400 MAINTENANCE MANUALAft Stop Trays Operation Check (P29th pallet position) S 715-059
(1) Lift the forward stophead restraint in the forward direction until the restraint lifts and locks in the extended (vertical) position. (a) Make sure the restraint lifts and locks smoothly.
S 715-060
(2) Push down on the forward stophead restraint until the restraint lowers aft and locks in the retracted (horizontal) position. (a) Make sure the restraint lowers and locks smoothly.
Aft Right Outboard Guide/Restraint Rail Operation Check (P29th pallet position)
S 715-083
(1)
Turn each swiveling vertical restraint 90-degrees to either side of the center inboard position and release the restraint.
S 715-107
(2)
Make sure the vertical restraint does not touch the inboard face of the guide/ restraint rail and returns to the center inboard position
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