TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 CYLINDER ASSEMBLY REPAIR 0135 00 DISASSEMBLY (Continued) WARNING Valves and locks are under heavy spring tension. Exercise extreme care when removing locks, seats, and springs. Each valve spring set consists of three separate springs. Failure to comply may result in injury. 3. Remove exhaust valve (6). a. Compress exhaust valve springs (7) by turning screw (8). b. Remove two valve spring locks (9) from the groove in exhaust valve (6) stem. c. Tap exhaust valve spring retainer (10) to free valve spring locks (9). d. Carefully loosen screw (8) to release valve springs (7). 4. Remove intake valve (11). a. Compress intake valve springs (12) by turning screw (13). b. Remove two valve spring locks (9) from the groove in intake valve (11) stem. c. Tap valve spring retainer (14) to free valve spring locks (9). d. Carefully loosen screw (13) to release valve springs (12). 5. Remove valve lifter assembly (3). a. Remove four rocker cover screws (4) with flat washers (5). b. Remove valve lifter assembly (3) from cylinder assembly (1). 6 7 9 10 8 4,5 3 13 9 14 12 11 1 WP 0135 00-3