Guide Rail Installation 511
25-56-31Page 402 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/68
RETRACTABLE SIDE GUIDE - REMOVAL/INSTALLATION
1. Remove Retractable Side Guide (See figure 401.)
A. Lift both plunger release handles to the vertical position and slide guide aft (approximately half inch) until guide will lift clear of floor track, floor anchorplate, and transfer panel void.
2. Install Retractable Side Guide (See figure 401.)
A Place guide on floor track in appropriate void in transfer panel No. 1 in accordance with corresponding part numbered decal on cabin floor.
B. Align the single floor anchorplate stud (on the lower inboard surface of guide) with circular cutout in the floor anchorplate, and the (four) floor track studs with circular cutouts in the floor track. Allow studs to enter the cutouts.
C. Lift (two) plunger release handles to the vertical position and slide guide forward (approximately half inch).
D. Press plunger release handles down to engage plungers in the floor track. Ensure that handles are in their fully down position.
NOTE: The plunger release handles are spring-loaded and will tilt up approximately 45 degrees when plunger is not completely extended into the floor track.
E. Check that the floor anchorplate stud is secured in the floor anchorplate and that the guide is secured in the floor track by attempting to lift the guide without releasing the plungers.
F. Check that the guide rail is in the down position.
511
May 15/68 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-56-41 Page 401
Retractable Side Guide 511
25-56-41 Page 402 Figure 401 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/68
511 Retractable Side Guide
May 15/68 Figure 401 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-56-41 Page 403
SIDE RESTRAINT GUIDES - REMOVAL/INSTALLATION
1. Remove Side Restraint Guide (See figure 401.)
A. Lift and hold plunger release handle, slide guide aft (approximately half inch) and lift guide clear of floor track and floor anchorplate.
2. Install Side Restraint Guide (See figure 401.)
A. Place side restraint guide on floor track adjacent to corresponding part numbered decal on cabin floor.
B. Align the single floor anchorplate stud (on the lower inboard surface of guide) with the circular cutout in the floor anchorplate, and four floor track studs with circular cutouts in the floor track. Allow studs to enter the cutouts.
C. Lift and hold the plunger release handle, slide the guide forward approximately one half-inch and release hold on plunger release handle.
D. Check that the floor anchorplate stud is secured in the floor anchorplate and that the guide is secured in the floor track, by attempting to lift the guide without releasing the plunger.
511
May 15/68 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-56-51 Page 401
Side Restraint Guides Installation 511
25-56-51Page 402 Figure 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/68
PALLET LOCKS - REMOVAL/INSTALLATION
1. General
A. There are three types of pallet lock assemblies used in the cargo carrying system, but their removal and installation procedures are the same.
B. The pallet locks may be removed or installed while their lock mechanisms are in the retracted or raised position.
2. Remove Pallet Locks (See figure 401.)
A. Lift (two) plunger release handles to the vertical position, slide pallet lock aft approximately one half-inch and lift clear of floor track.
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