Remove Spark Plugs; Remove Cylinder Heads And Hydraulic Lifters; Removing Cylinder Head Fasteners; Hex. Flange Screw - Kohler CH18-745 Service Manual

Kohler Engine Parts Call K&T 606-678-9623 or 606-561-4983
Section 9
Disassembly

Remove Spark Plugs

1. Remove the spark plug from each cylinder head.
Figure 9-45. Removing Spark Plugs.
Remove Cylinder Heads and Hydraulic
Lifters
NOTE: Cylinder heads are retained using either hex.
flange screws or hex. flange nuts and
washers on studs. Do not interchange or mix
components, as the cylinder heads may have
different machining, unique to each fastening
method.
1. Remove the four hex. flange screws or hex. nuts
and washers securing each cylinder head. See
Figure 9-46. Discard the screws or nuts and
washers once removed. Do not reuse. Studs (if
present) should only be removed if damaged or if
cylinder reconditioning is necessary. Once
removed, they must be replaced.
9.12

Hex. Flange Screw

Hex. Flange Nut
and Washer
Figure 9-46. Removing Cylinder Head Fasteners.
2. Mark the position of the push rods as either intake
or exhaust and cylinder 1 or 2. Push rods should
always be reinstalled in the same positions.
3. Carefully remove the push rods, cylinder heads
and head gaskets. See Figure 9-47.
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