TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove 1. Remove four self-locking nuts (A), flat washers, and bolts attaching exhaust pipe to exhaust manifold for cylinder Nos. 1R, 2R, and 3R. Remove pipe. Remove and discard exhaust manifold gasket. 2. Remove 12 self-locking nuts (B) and flat washers attaching exhaust manifold to cylinder Nos. 1R, 2R, and 3R. Remove manifold. Remove and discard three manifold gaskets. 3. Remove four self-locking nuts (C), flat washers, and bolts attaching exhaust pipe to exhaust manifold for cylinder Nos. 1L, 2L, and 3L. Remove pipe. Remove and discard exhaust manifold gasket. 4. Remove 12 self-locking nuts (D) and flat washers attaching exhaust manifold to cylinder Nos. 1L, 2L, and 3L. Remove manifold. Remove and discard three manifold gaskets. Install 1. Position three new manifold gaskets on cylinder Nos. 1L, 2L, and 3L. Position exhaust manifold on cylin- ders. Install 12 self-locking nuts (D) and flat washers securing exhaust manifold to cylinders. 2. Position a new exhaust manifold gasket on exhaust manifold. Position exhaust pipe to manifold and install four self-locking nuts (C), flat washera, and bolts securing pipe to manifold. 3. Position three new manifold gasketa on cylinder Nos. 1R, 2R, and 3R. Position exhaust manifold on cvlinders. Install 12 self-locking nuts (B) and flat . washers securing exhaust manifold to cylinders. 4. Position a new exhaust manifold gasket on exhaust manifold. Position exhaust pipe on manifold and install four self-locking nuts (A), flat washers, and bolts securing pipe to manifold. Figure 5-70. Removing or installing exhaust manifolds and exhaust pipes-cylinder Nos. 1R, 2R, and 3R and cylinder Nos. 1L, 2L, and 3L-engines with rerouted crankcase breather tube. 5-42