Kohler Aegis TP-2509 - Manual (Page 88)

9.16
Section 9
Disassembly
Figure 9-63. Removing the Valve Cover.
Remove Cylinder Heads and Hydraulic
Lifters
1. Rotate the crankshaft until the valves of one of the
cylinders are closed. Loosen the rocker arm
screws until the rocker arms can be pivoted to
free the push rods.
2. Remove and mark the location of the push
rods (intake or exhaust) and the respective
cylinder (1 or 2). The push rods should always
be reinstalled in their original locations. See
Figure 9-64.
Figure 9-64. Removing Push Rods.
3. Repeat for the opposite cylinder.
4. Remove the four hex. flange nuts and washers
from the studs securing each cylinder head. See
Figure 9-65.
Figure 9-61. Removing Spark Plug(s).
Remove Valve Covers
1. Remove the four hex. flange screws securing
each of the valve covers. Note the differences
between the covers, and the lengths of the
screws, for proper installation later. See
Figure 9-62.
Figure 9-62. Removing Valve Cover Screws.
2. Break the cover/gasket seal by carefully prying
under the edges of the cover. Remove the cover
and gasket from each side. See Figure 9-63.
Remove Spark Plugs
1. Remove the spark plug from each cylinder head
using a spark plug socket. See Figure 9-61.