25-58-06
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
RESTRAINT ASSEMBLY
FLOOR BEAM ATTACHMENT
TIEBACK STRAP ATTACHMENT
Cargo Barrier Net Installation
Figure 401 (Sheet 2)
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25-58-06
ALL ú ú 04 Page 404 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C80125
A 747-400 MAINTENANCE MANUAL
UPPER SUPPORT
Cargo Barrier Strap Installation
Figure 402
C80128
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A
747-400 MAINTENANCE MANUAL
B. Procedure
S 414-083
(1)
Put the net in its position correctly in relation to the upper floor beam.
S 434-084
(2)
Install the bolts to connect the straps to the upper support attachment fittings.
S 434-085
(3)
Install the bolts to connect the straps to the side attachment fittings.
S 434-086
(4)
Install the bolts that are behind the sidewall panels to connect the straps to the lower ends of the side attachment fittings.
S 434-087
(5)
Install the bolts to connect the straps to the floor beam fittings.
S 424-088
(6)
Install the tie-back straps in the correct positions.
NOTE: Hand tighten the tie-back straps to approximately 30 pounds
____ tension to hold the net in position so the minimum clearance of 0.5 inch from the control cables is maintained.
S 414-091
(7)
Install the sidewall panels.
(8)
Install the contoured ceiling panels.
S 414-092
TASK 25-58-06-404-090
5. Cargo Barrier Strap Installation (Fig. 402)
________________________________
A. Access
(1) Location Zones
231 Main Deck Body Sta 488 to 854, Left
232 Main Deck Body Sta 488 to 854, Right
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747-400 MAINTENANCE MANUAL
B. Procedure
S 434-093
(1)
At the nearest center of the airplane, hold the straps in position and install the quick-release pins to attach the straps to the upper support.
S 434-094
(2)
Do the same for the remaining straps.
S 424-096
(3)
Install the bolts to attach the straps to the side supports.
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25-58-06
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
MAIN DECK CARGO BARRIER NETS - INSPECTION/CHECK
_______________________________________________
1. General
_______
A. This procedure contains a task to do an inspection/check of the main deck cargo barrier net and the cargo barrier strap.
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