TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 NOTE c. d, e. f, Bar engine over to bring upper ends of push rods of injector and valve rocker arms in line horizontally. Remove two rocker shaft bracket bolts (4) and swing rocker arms (5) away from injector and valves. Loosen locknut (6) and back out adjusting screw (7). Slide injector control lever (8) on injector control tube (9) away from injector control rack (10), Remove bolt (1 1), convex washer (12), and clamp (13) securing injector (14). Remove injector. CAUTION Injector clamp must not interfere with follower spring or exhaust valve springs when installed. Damage could occur to engine valve or injector clamp. Install cylinder adapter (15) in injector tube. Secure with clamp (13), convex washer (12), and bolt (11 ). Torque bolt to 20-25 Ib-ft (27-34 N-m). Attach cylinder tester (16) to adapter. CAUTION Exhaust valve bridges must rest on ends of exhaust valves when tightening rocker arm shaft bolts or damage to exhaust valves will result. n v 8-35