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Kohler MAGNUM M18

Kohler MAGNUM M18
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SECTION
6B
FUEL
SYSTEMS
The
following
table
lists
the
kits
and
the
altitudes
above
which
the
kits
should
be
used.
Engine
Model
Kit
No.
|
Altitude
M18
52
755
74
6000
1.
M20
52
755
68
6000
ft.
High
Altitude
Jet
Installation
1.
Remove
the
fuel
bowl
retaining
screw,
retaining
screw
gasket,
fuel
bowl,
and
bowl
gasket.
NOTE:
If
necessary,
remove
the
air
cleaner
and
carburetor
from
engine
to
make
fuel
bowl
removal
easier.
2.
Remove
the
float
pin,
float,
and
fuel
inlet
needle.
3.
Remove
the
existing
main
fuel
jet.
4.
Install
the
new
high
altitude
main
fuel
Jet
and
torque
to
12/16
In.
Ib.
5.
Reinstall
the
fuel
inlet
needle,
float,
and
float
pin.
6.
Install
the
new
bowl
gasket
from
kit
and
the
fuel
bowl.
Make
sure
the
bowl
gasket
and
bow!
are
centered
and
positioned
properly
to
ensure
a
good
seal.
7.
Install
the
new
bowl
retaining
screw
gasket
form
kit
and
the
bowl
retaining
screw.
Torque
screw
to
45/55
In.
Ib.
8.
Reinstall
the
carburetor
and
air
cleaner
to
engine
as
necessary
using
the
new
gaskets
from
kit.
M20
Linkage
and
Dampening
Spring
Installation
M20
engines
built
between
Serial
No.
1619504216
and
1631600816
inclusive
were
built
with
a
dampening
spring
connected
to
the
govemor
arm
and
the
bushing
in
carburetor
throttle
lever.
The
dampening
spring
can
be
eliminated
by
installing
a
new
governor
linkage
and
new
bushings
as
shown
in
Figure
6B-15.
These
parts
are
available
in
Kit
No.
52
755
64.
To
reinstall
the
existing
dampening
spring,
bushings,
and
govemor
linkage,
use
the
following
procedure:
1.
Install
the
bushings
and
govemor
linkage
as
shown
in
Figure
6B-15.
2.
Install
the
dampening
spring
to
govemor
arm
and
bushing
on
carburetor
throttle
lever
as
shown
in
Figure
68-16.
Make
sure
the
end
of
spring
with
larger
hook
is
installed
around
the
bushing
In
car-
buretor
throttle
lever.
Governor
Arm
y^
99
2
Linkage
PO
`
/
Bushing
Bushing
Throttle
Lever
On
Carburetor
Figure
6B-15.
Installing
Bushings
And
Governor
Linkage
--
M20
Engines.
68.11

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