LOCKING SCREW ASSEMBLY REPLACEMENT

TM 9-1260-477-34

Assembly (Figure 4-14).

(2) Seat retainer ring (11) firmly in place

against shoulder on adjusting screw shaft.

(1) Position gimbal (29) in lower flange (9).

(3) Install new spring pin (10) thru retainer

ring (11) and adjusting screw shaft (14).

(2) Install two dowel pins (8) through open center

of gimbal to attach gimbal to lower flange (9).

(4) Install adjusting screw cover (13).

(3) Position upper flange (1) around gimbal.

Position locking screw springs (7).

Assembly per

Vehicle Adapter

(5) Install

paragraph 4-61, TU per paragraph 4-60, and LD/R per

paragraph 4-59.

(4) Position three "C" clamps over upper (1) and

Adjust clamps as required to

lower (9) flanges.

compress locking screw springs (7) and align dowel pin

4-65. LOCKING SCREW ASSEMBLY REPLACEMENT

(8) holes on gimbal (29) and upper flange.

(Figure 4-14).

a. Disassemble

(5) Install two dowel pins (8) through open

center of gimbal to attach upper flange (1) to gimbal

(1) Remove LD/R, TU, and Vehicle Adapter Assembly

(29). Remove "C" clamps.

Place Vehicle

per paragraphs 4-59, 4-60, and 4-61.

Adapter Assembly on a suitable work table.

(6) Install Vehicle Adapter Assembly per paragraph

4-61, TU per paragraph 4-60, and LD/R per paragraph

(2) Remove

both

adjusting

screws

(14)

per

4-59.

pararaph 4-60a.

4-67. LOCKING CAP, SUPPORT BALL, LOCKING HANDLE,

(3)

Remove upper flange (1) per paragraph 4-66a.

AND LOCKING PLATE REPLACEMENT

a. Disassembly (iqure 4-l4).

(4) Insert drive pin punch between spring coils.

Drive spring pin (4) out of retainer ring (5).

(1) Remove LD/R, TU, and Vehicle Adapter Assembly

Discard spring pin (4).

per paragraphs 4-59, 4-60 and 4-61.

(5) Remove locking screw cover (6).

(2) Remove gimbal (29) and upper flange (1) per

paragraph 4-66.

locking screw (21) completely ccw and

(3) Withdraw leveling screw (12) ccw 0.5 inches to

unlock-locking plate assembly (27).

b. Assembly ( Figure 4-14).

(4) Remove retaining ring (28).

(1) Insert locking screw (21) into lower flange

(9) and screw cw through flange (9).

(5) Remove locking plate assembly (27) by rotating

ccw.

(2) Seat retainer ring (5) firmly in place against

shoulder on locking screw (21) shaft.

(6) Remove locking handle (17) on locking cap (24)

by removing three screws (26) and washers (25).

(3) Install new spring pin (4) thru retainer ring

(7) Remove locking cap (24).

(5) and locking screw (21) shaft.

(8) Remove pintle per paragraph 4-62a. Withdraw

(4) Install locking screw cover (6).

support ball shaft (23) and support housing (22) thru

lower flange (9).

(5) Install Vehicle Adapter Assembly per paragraph

4-61, TU per paragraph 4-60, and LD/R per paragraph

4-59.

b. Assembly ( Fiqure 4-14).

4-66. GIMBAL AND UPPER FLANGE REPLACEMENT

(1) Position support housing (22) on ball support

shaft (23).

Disassembly ( Figure 4-14).

(2) Position support housing (22) and support

(1) Remove LD/R, TU, and Vehicle Adapter Assembly,

Attach pintle

ball shaft (23) in lower flange (9).

paragraphs 4-59, 4-60, and 4-61.

per paragraph 4-62b.

(2) Rotate two adjusting screws (14) and two

cap (24) on support ball

(3) Position locking

locklng screws (26) fully CCW.

(23).

(3) Position three "C" clamps over upper (1) and

(4) Insert locking handle (17) thru the slot in

Adjust clamps as required to

(9) flanges.

lower flange (9).

relieve locking screw spring (7) tension on dowel

Remove four dowel pins (8) by driving in

(8)

(5) Attach locking handle (17) to locking cap (29)

toward open center of gimbal (29). Retain dowel pins

with three screws (31) and washers (30).

(8).

(4) Remove gimbal (29) and upper flange (l).