Kohler MAGNUM M18

SECTION 9
DISASSEMBLY
REMOVE CLOSURE PLATE, OIL
PRESSURE RELIEF VALVE, AND
REAR OIL SEAL
1, Remove the hex. flange screws, closure plate,
and gasket. Refer to Figure 9-28.
3 Hex Socket
Hex Flange
Screws (9)
Figure 9-30. Removing Oil Filter Adapter.
SPLIT THE CRANKCASE
1. Scribe a line across the camshaft bore plug and
the #1 crankcase side. This line Is used to align
the plug on reassembly. Refer to Figure 9-31.
Closure Plate
Figure 9-28. Removing Closure Plate.
2. Remove the oil pressure relief valve spring, steel
ball, and sleeve. Refer to Figure 9-29.
Figure 9-31. Camshaft Bore Plug.
2. Put tape or govemor spring around the tappet
stems in the 42 crankcase side. This prevents the
Figure
9-29.
Removing
Oil
Pressure
Relief
Valve.
tappets
from
falling
into
the
#1
side
when
the
crankcase
is
split.
3. Remove the hex. nuts, plain washers, and hex.
3. Remove the rear oil seal from closure plate.
REMOVE OIL FILTER ADAPTER flange screws securing the crankcase halves
1. Remove the hex. socket head screws, oil filter together.
adapter, and gasket. Refer to Figure 9-30. 4. Lay the crankcase down so the #2 side is up.
Locate the splitting notches in the seam of the
crankcase. Pry the halves apart using the blade
of a large screwdriver. Refer to Figure 9-32.
9.9