TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 NOTE Record quantity and thickness of shims (26) for reinstallation. (13) Remove sleeve (25), shims (26), and piston (27) from housing (24). (14) Remove seal ring (28) from piston (27). Discard seal ring. (15) Remove high speed spring retainer (29) and plunger (30) assembly from governor housing (3). (16) Remove low speed spring cap (31), low speed spring (32) spring seat (33), and adjusting pin (34) from plunger (30). (17) Using a socket head wrench, hold screw (35) and loosen nut (36). WARNING (18) (19) (20) (21) High speed spring is under pressure and personal injury could occur if downward pressure is not applied to retainer. (22) (23) (24) (25) While applying pressure to high speed spring (37), remove screw (35) from plunger (30). Remove high speed spring (37) and seat (38) from plunger (30). Remove plug (39) and gasket (40) from governor housing (3). Discard gasket. Bend tang of key washer (41) away from retainer bolt (42). While holding weight carrier assembly (43), remove retainer bolt (42), flat washer (44), and key washer (41). Discard key washer. Thread a 5/16-24 x 3 inch bolt (45) into hole for retainer bolt (42). Remove governor housing (3) from vise and place on a flat surface with bolt (45) facing up. Tap weight carrier assembly (43) out of bearing (46) with a soft headed hammer. Slide riser bearing (47) and riser (48) off weight carrier assembly (43). NOTE Inspect weight carrier bearing in governor housing to determine need for removal. (26) If necessary, remove weight carrier bearing (46) from governor housing (3). Use a small brass rod and hammer to tap bearing from inside housing. 4-251