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Tractors,
Lawn
and
Garden
-
110
and
112
Engine
20
SM-2059-(Apr-67)
Cylinder
Head
and
Valves
-
Tecumseh
30-1
Group
30
CYLINDER
HEAD,
VALVES
AND
BREATHER
TECUMSEH
ENGINE
FOR
112
TRACTOR
GENERAL
INFORMATION
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Fig.
l-Schematic
View
of
Valves
and
Tappets
It
is
not
necessary
to
remove
the
engine
from
assembly
is
mounted
in
front
of
th
e
valve
spring
the
tractor
to
grind
valves
and
valve
seats
or
to
chamber
be
low
the
carburetor.
service
the
breather
assembly.
Valve
guides
can
be
reamed
and
new
valves
The
exhaust
valve
ins
e
rt
is
pr
ess
fitted
into
with
oversize
stems
installed
when
guide
wear
the
block
and
can
be
replaced.
The
intak
e
valve
tolerances
are
exceeded.
seat
is
machined
into
th
e
block.
Th
e
breather
Litho
in
U.S.A.