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 TM 55-1905--219-14-4
3-33.2. EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION - CYLINDER HEAD OFF ENGINE (Cont)
is at room temperature;
otherwise installation
will be difficult and
the parts may be dam-
aged.
f. Valve
Drive insert in place
Use tool J6568.
seat
until it seats solidly
insert
in cylinder head.
12)
19. Exhaust
a. Valve
Insert new valve into
The angle of
cylinder head.
the valve seat
insert must be
exactly the
same as the
angle of the
valve face to
provide proper
seating of the
valve. The prop-
er angle for the
seating face of
the valve is 30
.
The proper angle
for the valve
seat insert is
31
.
Change 2
3-741
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