TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 6-4. EXHAUST MANIFOLD AND TUBE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP MODELS EQUIPMENT CONDITION 7083-7398 TOOLS AND SPECIAL TOOLS Para Description 3-7 Oil level gauge removed 6-2 Turbocharger regulator removed 6-3 Turbocharger removed General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) MANDATORY REPLACEMENT PARTS 10 Locking nuts (App F, Item 103) 3 Locking nuts (App F, Item 102) 4 Gaskets (App F, Item 28) 4 Gaskets (App F, Item 41 ) 4 Locking nuts (App F, Item 104) 1 Gasket (App F, Item 50) 4 Lockwashers (App F, Item 94) PERSONNEL REQUIRED: 2 a. Removal (1) (2) (3) (4) (5) (6) (7) (8) (9) 6-10 Remove four nuts (1) from four clamps (2) securing exhaust tubes (3 and 4) to exhaust housing (5), exhaust manifold (6), and adaptor (7), Slide clamps onto tubes and reinstall nuts on clamps. Loosen four nuts (8) securing exhaust housing (5) to bracket (9) to aid in removal of exhaust tubes (3 and 4). Remove exhaust tubes (3 and 4), four clamps (2), and four gaskets (10). Discard gaskets and remove clamps from tubes. Remove four bolts (11 ), four flat washers (1 2), and four locking nuts (8) securing housing (5) to bracket (9). Remove housing. Discard locking nuts. Remove four bolts (13), four Iockwashers (14), and four flat washers (15) securing bracket (9) to flywheel housing. Remove bracket and discard Iockwashers, Remove three locking nuts (16) from studs (17) securing adaptor (7) to left exhaust manifold (18). Discard locking nuts and remove adaptor. Remove gasket (19) from end of left manifold (18) and discard. Loosen five locking nuts (20) securing right exhaust manifold (6) to cylinder head. Slide exhaust manifold (6) up and off cylinder head.