TM-9-2350-277-20-4
CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 4 OF 6
TM-9-2350-277-20-4 - Page 320 of 861
TM 9-2350-277-20-4
REPLACE COMMANDER’S CUPOLA VISION BLOCK LOCKS AND SEALS (M1064A3
ONLY) — Continued
0491 00
INSTALLATION
NOTE
Surface on seal marked BOND THIS SIDE should be glued to cupola.
1.
Apply adhesive to cleaned mating surface around vision block opening. Allow adhesive to become tacky. Install new
seal (8) on cupola.
2.
Install washer (7) and post (6) in cupola. TIGHTEN POST TO 54-59 LB-FT (73-80 N
m) TORQUE.
3.
Install periscope clamp (3) on post (6). Secure with washer (5) and bolt (4). TIGHTEN BOLT TO 144-168 LB-IN
(16-19 N
m) TORQUE.
4.
Install spring (2) and thumbscrew (1) on periscope clamp (3). Deform first thread of thumbscrew to prevent easy
removal.
FOLLOW-THROUGH STEPS
1.
Install vision block (see your -10).
END OF TASK
0491 00-3/4 blank
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