TM 9-2320-280-34
14-4. SUPPORT RING MAINTENANCE (Cont'd)
12. Tighten six locknuts (34) on support ring (2) and upper supports (33) to 37 lb-ft (50 N.m).
13. Tighten capscrew (20) on support ring (2) and "C" pillar support bracket (25) to 37 lb-ft (50 N.m).
NOTE
It may be necessary to drill new holes into upper supports to allow
spring pins to be inserted.
14. Insert four spring pins (37) through spring pin holes (38) in two connecting blocks (18). Drive ends
of spring pins (37) into upper supports (33). Ensure ends of spring pins (37) are even with surface of
connecting blocks (18).
15. Insert two spring pins (36) through spring pin holes (35) in support ring (2). Drive spring pins (36)
into upper supports (33). Ensure ends of spring pins (36) are even with surface of support ring (2).
FOLLOW-ON TASKS: Install turret bearing (TM 9-2320-280-20).
Adjust striker plates (TM 9-2320-280-20).
14-11
