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 319 of 861

TM 9-2350-277-20-4

REPLACE COMMANDER’S CUPOLA VISION BLOCK LOCKS AND SEALS (M1064A3

ONLY) — Continued

0491 00

1.

Remove thumbscrew (1) and spring (2) from periscope clamp (3).

2.

Remove bolt (4), washer (5), and periscope clamp (3) from post (6).

3.

Remove post (6) and washer (7) from cupola.

4.

Scrape seal (8) from vision block opening.

0491 00-2