TM 5-3810-288-12
c. Repair. Replace all gaskets and any damaged
items with like serviceable items. Clean all parts in an
approved cleaning solvent and dry thoroughly.
d. Replacement. Replace the exhaust manifold as
follows:
(1) Position gasket on intake manifold, place
exhaust manifold on intake manifold, and install four
bolts and four lockwashers.
(2) Position gaskets on manifold ports and
install manifold on engine. Install clamps on the studs at
each end of manifold and secure with manifold nuts.
Install remaining manifold nuts on remaining studs.
(3) Refer to figure 3-32 and install carburetor.
Refer to figure 3-46 and install muffler and exhaust pipe.
Reconnect vent hose and starting aid fuel line to intake
manifold.
3-46. Intake Manifold
The intake manifold is removed from the engine when
the exhaust manifold is removed. Refer to paragraph 3-
3-47. Muffler and Exhaust Pipe
a. Removal. Remove the muffler and exhaust pipe
as follows:
(1) Stop the engine and allow the muffler and
exhaust pipe to cool. Refer to figure 3-46 and remove
the bolts and nuts holding the guard to the supports.
(2) Remove the nuts, lockwashers and muffler
clamps. Remove the muffler and exhaust elbow from
Figure 3-30. Oil temperature sender, removal and
the exhaust pipe. Remove the cap- screws, nuts, and
replacement.
lockwashers from the base of the exhaust pipe, and
remove the exhaust and gasket.
3-45. Exhaust Manifold
a. Inspection. Inspect manifold for cracks, breaks,
pipe as follows:
signs of deterioration around gaskets, or leaks.
(1) Install a new gasket on the exhaust
b. Removal. Remove the exhaust manifold as
manifold, place the exhaust pipe on the exhaust
follows:
manifold, and secure with capscrews, nuts, and
lockwashers.
remove carburetor. Refer to figure 3-46 and remove
(2) Install the exhaust elbow in muffler, and then
muffler and exhaust pipe.
clamps. Install the guard on the supports.
(2) Disconnect vent hose and starting aid fuel
line from intake manifold.
3-48. Coolant System
a. General. The cooling system consists of a
(3) Refer to figure 3-45 and remove manifold
radiator, water pump, a thermostat, fan, and
nuts, washers and clamps. Remove exhaust and intake
manifold from engine.
(4) Remove bolts and lockwashers from the
bottom of intake manifold, and remove exhaust manifold
from
intake
manifold.
3-37
