Specifications

Chapter 2 - Installation
42S315F 2-11
10. Attach strut (item 17 drawing 517577 sheet 4, zone B-6) at next
clockwise position. Secure strut with one bolt (item 25), two washers
(item 27), and one nut (item 26). Secure hardware finger tight.
11. Attach spar truss (item 22 drawing 517577 sheet 4, zone B-4) to hub using
one bolt (25), two washers (27), and one nut (26) and to strut using four bolts
(item 28), eight washers (item 30), and four nuts (item 29).
Secure hardware
finger tight.
12. Install top inner intercostal (item 18 drawing 517577 sheet 4, zone B-6) and
left hand spar truss brace (item 21) to spar truss using bolt (item 33), two
washers (item 30), and nut (item 29).
Secure hardware finger tight.
13. Install top inner intercostal (item 18 drawing 517577 sheet 4, zone B-6) to
other truss using bolt (item 28), two washers (item 30), and nut (item 29).
Secure hardware finger tight.
14. Install bottom inner intercostal (item 19 drawing 517577 sheet 4, zone B-6)
and left hand spar truss brace (item 21) to truss (without spar tab) using bolt
(item 33), two washers (item 30), and nut (item 29).
Secure hardware
finger tight.
15. Install bottom inner intercostal (item 19 drawing 517577 sheet 4, zone B-6) to
spar truss using bolt (item 28), two washers (item 30), and nut (item 29).
Secure hardware finger tight.
16. Install top outer intercostal (item 20 drawing 517577 sheet 4, zone B-6)
between two truss assemblies using two bolts (item 28), four washers (item
30), and two nuts (item 29).
Secure hardware finger tight.
17. Attach next clockwise strut and truss assemblies as described in steps 3 and
4. Then install intercostals and right hand spar truss braces as described in
steps 12 through 16.
Secure hardware finger tight.
18. Attach next four clockwise strut and truss assemblies as described in steps 3
and 4. After each strut and truss assembly is installed, install intercostals as
described in steps 6 through 8.
Secure hardware finger tight. Secure
hardware finger tight.
19. Attach next clockwise strut and spar truss assemblies as described in steps
10 and 11. Then install intercostals as described in steps 6 through 8.
Secure
hardware finger tight.
Secure hardware finger tight.
20. Attach next five clockwise strut and truss assemblies as described in steps 3
and 4. After each strut and truss assembly is installed, install intercostals as
described in steps 6 through 8. Secure hardware finger tight.
Secure
hardware finger tight.
21. Attach next clockwise strut and spar truss assemblies as described in steps
10 and 11. Then install intercostals as described in steps 6 through 8.
Secure
hardware finger tight.