TM-9-2350-261-20-3 Unit Maintenance Manual Volume 3 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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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 Steps 1 - 4 apply to the M1064 only. 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. 0451 00-3 TIGHTEN POST TO 54-59 LB-FT (73-80 N·M) TORQUE. 144-168 LB-IN (1 6-1 9 N·M)