TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 5.1-6. ENGINE WATER MANIFOLDS REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP MODELS MANDATORY REPLACEMENT PARTS 7083-7391 12 Lockwashers (App F, Item 93) 6 Gaskets (App F, Item 71 ) EQUIPMENT CONDITION TOOLS AND SPECIAL TOOLS Para Description 3-7 Oil level gauge rod removed General Mechanics Tool Set (App B, Item 96) 3-14 Air Inlet manifold removed Torque wrench (App B,Item 101) 5.1-2 Turbocharger removed 5.1-3 Exhaust manifolds removed 5.1-8 Glow plug harness clips removed a. Removal (1) (2) (3) (4) (5) (6) Disconnect tube assembly (1) at upper fitting (2) on right water manifold (3) and at elbow fitting (4) on top of water pump (5). Remove tube assembly. Disconnect tube assembly (6) at lower fitting (7) on right water manifold (3) and at elbow fitting (8) on front of right cylinder head. Remove tube assembly. Remove six nuts (9) and six Iockwashers (10) securing water manifold (3) to right cylinder head. Discard lockwashers and remove water manifold. Remove three gaskets (11 ) from bottom of water manifold or top of cylinder head. Discard gaskets. If necessary, remove four fittings (2, 7, 12, and 13) from end of water manifold (3) and three plugs (14) and plug (15) from water manifold. Repeat steps (2) thru (4) move for left water manifold (3). If necessary, remove two fittings (7 .-. . and 13), four plugs (14) and plug (15) from left water manifold. b. Installation (1) (2) (3) (4) (5) 5-82 If removed, install four fittings (2, 7, 12, and 13) in front of right water manifold (3) and three plugs (14) and plug (15) at rear of manifold. Install three gaskets (11 ) over studs (16) on right cylinder head. Install water manifold (3) on right cylinder head and secure with six Iockwashers (10) and six nuts (9). Torque nuts to 20-25 Ib-ft (27-34 N-m). Connect tube assembly (1) at elbow fitting (4) on water pump (5) and at upper fitting (2) on right water manifold (3). Tighten connections. Connect tube assembly (6) at elbow fitting (8) on front of cylinder head and at lower fitting (7) on right water manifold (3). Tighten connections. Change 1