TM-9-2350-261-20-3

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 3 OF 4

TM-9-2350-261-20-3 - Page 149 of 932

TM 9-2350-261-20-3

REPLACE COMMANDER’S HATCH VISION BLOCK, LOCKS, AND SEALS — Continued

0451 00

INSTALLATION

WARNING

Adhesive, primer, sealant compounds, and isopropyl alcohol are toxic and flammable. These

compounds are toxic to eyes, skin, and respiratory tract. Continued exposure can make you

dizzy and irritate your eyes and throat.

Always use in well ventilated areas, away from heat, sparks, and flames. Do not breathe fumes.

Do not allow into contact with skin and eyes. Use goggles or face shield and protective gloves.

NOTE

Steps1-4applytotheM1064only

.

NOTE

Surface on seal marked BOND THIS SIDE should be glued to hull.

1.

Apply adhesive to mating surface around vision block opening. Allow to become tacky. Install new seal (8) on hatch.

2.

Install washer (7) and post (6) in commander’s hatch.

Use torque wrench (WP 0780 00, Item 104).

3.

Install periscope clamp (3) on post (6). Secure with washer (5) and bolt (4). TIGHTEN BOLT TO

TORQ UE.

U se to rq ue wren ch (W P 07 80 00 , Item 10 2).

4.

Install spring (2) and thumbscrew (1) on periscope clamp (3). Deform first thread of thumbscrew to prevent easy

removal.

045100-3

TIGHTEN POST TO 54-59 LB-FT (73-80 N·M) TORQUE.

144-168 LB-IN

(1 6-1 9 N·M

)