TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 318 of 670
TM 9-2815-202-34 4-38. CYLINDER HEAD REPAIR (Cont) CAUTION Seat slot in valve bridges over inboard exhaust valve stem to prevent valve damage. (28) Position eight valve bridges (17) on bridge guides (18) with adjustment screw (104) toward outboard side of engine. CAUTION Insure injector hold down clamp does not contact exhaust valve spring. (29) Install four fuel injectors (3) in cylinder head and secure in place with four clamps (14), four washers (13), and four bolts (12) putting curved side of washer against clamp. Torque bolts to 20-25 Ib-ft (27-34 N-m). NOTE Install special rocker arm shaft bracket (5) containing throttle delay housing at right bank No. 1 cylinder on model 7083-7395. (30) (31) (32) If necessary, install check valve (9) and oil supply fitting (10) into throttle delay housing (5). Apply engine oil to rocker arm shafts (7) and slide shaft through rocker arms (11). Place rocker shaft bracket (8) over each end of shaft with finished face of bracket toward rocker arm. Insert eight rocker arm bracket bolts (6) through eight brackets (8) and four shafts (7). Swing rocker arms, shafts, and brackets into position and thread bolts into cylinder head. Torque bolts to 90-100 Ib-ft (122-136 N-m). 4-212