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 TM 55-1905-217-12
the valve stem and the rocker arm, but the 0.010-inch
gage will not pass through
4-22. Exhaust Manifold and Pipe (fig. 4-10)
The one-piece, water-cooled exhaust manifold is cast
with an integral water jacket surrounding the exhaust
manifold and is discharged from the forward end through
a tube into the lower section of the expansion tank. A
drain cock 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. Inspect for cracked
or worn hoses, and replace if necessary. Inspect studs
for damage and check gaskets for leaks.
a. Removal. Refer to fig. 4-10 and remove the
exhaust pipe and manifold.
b. Cleaning Inspection and Repair.
(1) Clean parts with cleaning solvent FED.
SPEC. PD-680 and dry thoroughly.
(2) Inspect the pipe for signs of deterioration
and wear.
(3) Inspect the manifolds for leaks, cracks,
corrosion, and other damage.
(4) Replace all defective parts as required.
c. Installation. Refer to fig. 4-10, position the
exhaust pipe and manifold on the engine, and secure
with mounting hardware.
Figure 4-6. Engine arrangement
Figure 4-7. Crankshaft rotation and accessory arrangement as viewed from flywheel end.
4-16
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