1.
Install net bracket (23) on upper support (12) with two capscrews (22) and locknuts (24). Tighten
locknuts (24) to 10 lb-ft (14 Nm).
2.
Install four isolation mounts (17) on two front supports (13) of support ring (9).
3.
Install two upper supports (12) on support ring (9) with six washers (11) and capscrews (10). Tighten
capscrews (10) to 37 lb-ft (50 Nm).
4.
Position support ring (9), two upper supports (12), and four connecting blocks (29) on C-pillar (4),
B-pillar (34), and front mounting clevises (16).
NOTE
Studs have longer threaded area on one end. Install stud with
longer threaded end up.
Ensure threads on stud extend beyond locknut at least three
threads.
5.
Secure support ring (9) and rear supports (5) on C-pillar (4) with two spacers (44), four bushings (6),
mounts (7), two studs (3), washers (2), locknuts (8), washers (2), and locknuts (1). Tighten locknuts (1) to
37 lb-ft (50 Nm).
6.
Secure support ring (9) on two front mounting clevises (16) with four washers (14), capscrews (18),
washers (14), and nuts (15). Tighten nuts (15) to 37 lb-ft (50 Nm).
7.
Secure two upper supports (12) and four connecting blocks (29) on B-pillar (34) with two spacers (33),
strikers (32), four washers (30), capscrews (31), washers (30), and locknuts (35). Tighten locknuts (35)
to 21 lb-ft (28 Nm).
7.1. Install two rear door safety strap brackets (34.1) to connecting blocks (29) and B-pillar (34) with four
capscrews (33.1) and locknuts (34.2). Tighten locknuts (34.2) to 21 lb-ft (28 Nm).
7.2. If new bracket (41) is being installed, match-drill three 11/32 in. (8.7 mm) holes from B-pillar armor
(37) to bracket (41).
8.
Install two spacers (40) and brackets (41) on B-pillar armor (37) with six capscrews (39), washers
(42), and locknuts (43). Tighten locknuts (43) to 5 lb-ft (7 Nm).
9.
Install two brackets (28), paddings (26), and D-rings (21) on upper supports (12) with two
washers (20), capscrews (19), washers (38.1), and locknuts (38). Tighten locknuts (38) to 37 lb-ft
(50 Nm).
10.
Install two clamps (36) and saddle blocks (27) on upper supports (12) and paddings (26) with four
screws (25) and washers (25.1). Tighten screws (25) to 33-37 lb-ft (45-50 Nm).
b. Installation
TM 9-2320-387-24-2
25-6
Change 1
25-4. TURRET FRAME REPLACEMENT (Contd)
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