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 TM 55-1905-220-14-1
g. The Exhaust Manifold is shown in Figure 1-45. The water-cooled exhaust manifold is one piece and is cast with an
integral water jacket surrounding the exhaust chamber. The diameter of the exhaust chamber increases uniformly from
one end to the other where it ends in a flange to which an elbow and flexible exhaust connection is attached. A portion of
the engine coolant is by-passed from the water manifold into the rear end of the jacket surrounding the exhaust manifold.
Then it is discharged from the forward end through a tube into the lower section of the expansion tank. A draincock, with
an attached hose, is installed in the bottom of the manifold for draining the water jacket. A plug is provided in the bottom
of the exhaust outlet elbow for draining moisture condensed from the exhaust gases.
Figure 1-45. Exhaust Manifold
1-80
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