1.
Install bearing assembly (3) on support ring (9).
NOTE
Step 2 is to prevent roof leaks.
2.
Using sealant, fill front and rear roof seams (6) and (4) (where left and right roof halves join together
and overlap).
3.
Secure bearing assembly (3) to support ring (9) with twelve roof retainers (1), capscrews (2), washers (8),
and locknuts (7). Tighten locknuts (7) to 37 lb-ft (50 Nm).
4.
Inside vehicle, apply sealant along area where support ring (9) and roof (5) meet.
c. Installation
TM 9-2320-280-20-3
11-160
Change 1
11-113. TURRET BEARING MAINTENANCE (Cont'd)
FOLLOW-ON TASK: Install weapon station tray and bearing seals (para. 11-112).