TM 9-2350-277-20-4
REPLACE COMMANDERS CUPOLA VISION BLOCK LOCKS AND SEALS (M113A3 AND
M1059A3, M58 ONLY) Continued
0490 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 (5) on cupola.
2.
Install arm (2) and washer (4) in cupola bracket. Secure with new spring pin (3).
3.
Install thumbscrew (1) in arm (2). Deform first thread of thumbscrew to prevent easy removal.
FOLLOW-THROUGH STEPS
1.
Install vision block (see your -10).
END OF TASK
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