LOWER MOUNT INSTALLATION PROCEDURES
16. Drill one pilot hole near bottom of each side door frame and install self
tapping screws (item 106).
NOTE
These two screws will be removed at a later procedure.
17. Set door assembly and side skins up in a vertical position.
18. Position bottom of right and left floor skins on doorway anchor bolts.
19. Secure with nut and flat washer (item 100 and 101, Figure 2-3), one on
each side. Hand tighten.
20. Align holes in right and left door skins with holes in lower and middle
door skin panels.
21. Secure in place, ten places on each side of door frame assembly, using
bolt, two flat washers, and nut (item 105, 103, and 104).
22. Secure top door skin, four places, using bolt, two flat washers, and nut
(item 105, 103, and 104).
23. Remove two self tapping screws installed at step 16.
24. Adjust door side skins to provide an equal gap between door and door
frame along sides and across the top.
25. Torque door side skin to lower door skin and middle door skin fasteners
to 260 ft-lbs (353 Nm).
26. Torque door top skin to middle door skin fasteners to 260 ft-lbs
(353 Nm).
27. Torque door side skin to doorway anchor bolts to 1100 ft-lbs
(1491 Nm).
28. Drill five pilot holes equally spaced through inside right door frame and
door side channel using drill bit (item 107).
29. Secure door frame to side channel using self tapping screw (item 106).
30. Repeat step 28 and 29 along inside left door frame.
31. From outside door, drill two pilot holes, equally spaced, through top
door frame and top door channel using drill bit (item 107).
32. Secure door frame to top door channel with self tapping screw (item
106).
33. From outside door, repeat step 28, 29, and 30.
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42S183D
SERIES 8116/8118 16-/18-METER EARTH STATION ANTENNA
2-25
