T65 Series Vertical Shaft Engines
80
9. Loosen the jam nuts and fulcrum nuts that secure
the rocker arms using a 10mm wrench and a 14mm
wrench. See Figure 9.3.
10. Pivot the rocker arms aside, or remove them com-
pletely, and remove the push rods.
NOTE: Once broken-in, the rocker arm should be
kept with its corresponding valve.
NOTE: The intake and exhaust push rods are iden-
tical and interchangeable. It is preferable,
but not absolutely necessary to return the
same push rods to their original locations on
engine with substantial (>
100 hours) operat-
ing time.
11. Remove the cylinder head bolts using a 14mm
wrench. See Figure 9.4.
12. Lift the cylinder head off of the engine.
13. Carefully clean all sealing surfaces of all gasket res-
idue. Do not scratch the sealing surfaces.
NOTE: Make a visual inspection of the valves and
cylinder bore to confirm the initial diagnosis.
To install the cylinder head:
14. Place a new head gasket on the cylinder, allowing
the alignment dowels to hold it in place.
Figure 9.3
Jam nut
Fulcrum nut
Figure 9.5
Alignment dowels
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