TM 10-4320-307-24
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EXHAUST MANIFOLD ASSEMBLY REPAIR/REPLACE (CONT).
1.
Use a 240 grit emery cloth to remove carbon deposits
from seal bores (1) in center manifold (2) and seal ring
surfaces (3) of rear manifold (4) and front manifold (5),
CAUTION
Do not allow any foreign matter to enter
exhaust manifold or engine exhaust outlets.
Foreign
matter
may
cause
damage
to
turbochargers.
2.
Clean gasket sealing surfaces on engine and exhaust
manifold (6) and inspect for pitting, cracks, or
conditions which would prevent secure mounting or
tight seal.
3.
Visually inspect exhaust manifold assembly (6) for
cracks or damage.
4.
Inspect mounting capscrews for thread damage.
5.
Repair is limited to the replacement of defective
components.
INSTALLATION:
1.
Install exhaust manifold (1) as follows:
NOTE
The exhaust manifold sections must be assembled
on a flat surface.
a.
Install seals (2) in seal ring grooves (3).
b.
Install front manifold (4) and rear manifold (5) to center
manifold (6).
c.
Install two guide studs (7) into cylinder head (8) if they
are not installed from removal procedure.
NOTE
Guide studs should be located in last screw holes
at each end of exhaust manifold mounting area.
d.
Install gaskets (9) to cylinder head (8) using adhesive.
NOTE
The side of the gasket marked "OUT" must be
away from the cylinder heads.
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