S 424-025

 (3)  
Align the tension studs on the bottom of the tray with the holes in the floor fittings.

 S 424-026

 (4)  
Lower the tray into the floor fittings.

 S 424-020

 (5)  
Move the tray outboard until the shear-plunger studs align the holes in the floor fittings.

 S 434-009

 (6)  
Lower the shear-plunger levers to extend the shear-plunger studs into the holes in the floor fittings.

 C. Install the End Lock or End Stop
 S 434-010
 (1)  
Lift the release-lever(s) on the end lock or end stop to retract the pins.

 S 424-011

 (2)  
Put the end lock or the end stop in the tray.

 NOTE: The arrow on the end lock must point in the forward
____
 direction.

 S 424-021
 (3)  
Align the black stripe on the end lock or end stop with the mark on the floor.

 S 434-012

 (4)  
Lower the release-lever(s) to extend the pins through the holes in the side of the tray.

 D. Install the Roller
 S 424-022
 (1)  Put the roller in its position in the tray.
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747-400 MAINTENANCE MANUAL
 S 434-015
 (2) Install the quick-release pin through the tray and the roller.
 E. Install the Caster
 S 434-023
 (1)
Lift the shear-plunger levers to retract the shear-plunger studs.

 S 424-024

 (2)  
Put the caster in its position in the tray.

 S 434-016

 (3)  
Lower the shear-plunger levers to extend the shear-plunger studs through the holes in the tray.

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747-400 MAINTENANCE MANUAL
ROLLER
RETRACTABLE ENDLOCK ORQUICK-RELEASE PIN FIXED END STOP
SHEAR PLUNGER
LEVER (2 LOCATIONS)

LOCK/STOP ROLLER TRAY (EXAMPLE)
RETRACTABLE ENDLOCK
SHEAR PLUNGER
LEVER (2 LOCATIONS)

REMOVABLE CASTER
SHEAR PLUNGER
LEVER (2 LOCATIONS)

LOCK/STOP CASTER TRAY (EXAMPLE)
Lock/Stop Roller Caster Tray Installation
Figure 401 (Sheet 1)

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747-400 MAINTENANCE MANUAL
TRAY LOCKING PINS CARGO TIEDOWN
RELEASE LEVER RING
(2 LOCATIONS)
TWO-WAY RETRACTABLE
LOCKHEAD RESTRAINT

RETRACTABLE LOCK
HEAD RESTRAINT
RELEASE LEVER
(2 LOCATIONS)

TRAY
CARGO TIEDOWN RING
FIXED STOP
TRAY LOCKING
HEAD RESTRAINT
PIN (2 LOCATIONS)
ROLLER
(2 LOCATIONS)
RETRACTABLE END LOCK

TRAY LOCKING PINS RELEASE LEVER
TRAY LOCKING
RETRACTABLE STOP PINS RELEASE

TRAY LOCKING HEAD RESTRAINT LEVER ROLLER PIN (2 LOCATIONS)(2 LOCATIONS)
ROLLER RING FIXED END STOP
CARGO TIEDOWN
TRAY LOCKING
PIN (2 LOCATIONS)

RETRACTABLE STOP TRAY HEAD RESTRAINT RELEASE LEVER
RETRACTABLE END STOP
Lock/Stop Roller Caster Tray Installation
Figure 401 (Sheet 2)

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