TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 201 of 670
(5) (6) (7) (8) TM 9-2815-202-34 CAUTION • Model 7083-7391 has exhaust shields cast in place in the exhaust ports of cylinder head. Do not pry or lift in exhaust ports or damage to cylinder head will result. • When placing cylinder head on bench, protect cam followers, glow plugs (7083-7391 only), and fuel injector tips by placing two-inch thick wooden blocks underneath each end of head, Remove two guide studs (5) from cylinder block. Remove figure eight seal ring (7), three seal rings (8), six seal rings (9), four compression gaskets (10), and gasket (11) from cylinder bank. Discard seal rings and gaskets. Remove lifting bracket (1) from cylinder head by removing three nuts (3). Repeat steps (1) thru (7) for opposite cylinder head. b. Installation (1) Install figure eight seaI ring (7), three seal rings (8), six seal rings (9), four compression gaskets (10), and gasket (11 ) to cylinder bank. (2) Install two guide studs (5) in cylinder head bolt holes at outboard corner positions in cylinder block. (3) Attach lifting bracket (1) to center three exhaust manifold studs (2) located at outboard side of cylinder head. Secure in place with three 7/1 6-20 inch nuts (3). CAUTION Before installing cylinder head, insure all seal rings and gaskets are in place. (4) Using chain hoist, lift cylinder head above cylinder block and lower over guide studs (5). Lower head to 1/2 inch from surface of cylinder block. Change 1 4-99