TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 REPLACE DRIVER’S HATCH VISION BLOCK LOCKS AND SEALS — Continued 0535 00 NOTE Step 5 and Step 6 apply to all carriers except M1064A3. 5. Install arm (1) and washer (2) in hull bracket (3). Secure with new spring pin (4). 6. Install thumbscrew (5) in arm (1). Deform first thread of thumbscrew to prevent easy removal. FOLLOW-THROUGH STEPS 1. Install vision blocks (see your -10). 2. Start engine (see your -10). 3. Raise and lock ramp (see your -10). 4. Stop engine (see your -10). END OF TASK 0535 00-5/6 blank