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/REPAIR COMMANDER’S PLATFORM AND POST (M577A3 AND M1068A3 ONLY) — Continued 0564 00 8. Install rod (28) through platform (19) and brace (13). Secure with four washers (29) and two new locknuts (30). 9. Install spring (31), washer (32), stop pin (33), new spring pin (34), and handle (35) on left mount (3). 10. Secure handle (35) with straight pin (36) and two new cotter pins (37). INSTALLATION 1. Hold platform lock in unlocked position and install platform (1) on post (2). 2. Align base (3) with post (2). Secure with two screws (4), washers (5), and new locknuts (6). 3. Install hook (7) on quick-release pin (8) and chain (9). Squeeze both ends of hook to secure. 4. Install tube (10) on chain (9). 5. Install hook (11) on chain (9) and hull top lug plate. Squeeze both ends of hook to secure. 6. Align link (12) with hull top plate brackets. Secure with screw (13), washer (14), and new locknut (15). 7. Place post (2) and platform (1) in carrier. Align post with link (12). Secure with quick-release pin (8). 0564 00-4