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 RADIO OPERATOR’S SEAT (M1068A3 AND M58 ONLY) — Continued 0568 00 WARNING Apply pressure on tube to prevent spring from releasing when handle is pulled out. Injury to personnel can result from flying tube and spring. 14. While pushing down on tube (9), pull out handle (10) and slowly allow spring (14) to expand. 15. Remove rod (11), tube (9), and spring (14), from pedestal (15). 16. Remove pin (16), handle (10), spring (17), and washer (18) from tube (9). ASSEMBLY 1. Install washer (18), spring (17), handle (10), and pin (16) on tube (9). 2. Install spring (14), tube (9), and rod (11) on pedestal (15). 3. Install tube (9). Push down on tube and lock handle (10) in the lowest position. 4. Hold rod (11) and install washer (13) and new locknut (12) on rod. 0568 00-4 Change 2 11. Remove two locknuts (1), screws (2), washers (3), and rack (4) from support plate (5). Discard locknuts. 12. Remove four screws (6), locknuts (7), eight washers (8), and support plate (5) from tube (9). Discard locknuts. 13. Pull handle (1) and push tube (9) down to its lowest position. Hold rod (11) and remove locknut (12) and washer (13) from rod. Discard locknut.