Kohler 4EOZ Service page 95

Valve
Note: The exhaust valve has a larger counterbore than
the intake valve when viewing the head from the
upper surface. The exhaust valve has a smaller
hole when viewing the head from the opposite
side.
Note: The rotocap and conical shaped spring belong to
the exhaust valve. See Figure 10-84.
Figure 10-84 Intake and Exhaust Valve Components
1. Install the two thin steel washers under the intake
valve spring.
2. Grind the valves and set new cup seals on the valve
guide's head.
3. Before installing the rotocap, check for proper
operation by spinning the cap washer and
releasing it. Replace the rotocap if it produces a an
ununiform, rattling sound or if it is hard to move.
4. Fit the cylinder head gasket. See Figure 10-85.
5. Slide the head onto the cylinder.
TP-6137 5/03
Figure 10-85 Cylinder Head and Gasket
6. On the shorter stud, put the engine lifting bracket.
7. Tighten the nuts at the specified torque.
Section 1.5.
Gear Cover
1. Move the piston to Top Dead Center (TDC) and
check the alignment between the mark on the
flywheel and the mark on the crankcase at the
3 o'clock position. See Figure 10-86.
Figure 10-86 Flywheel and Crankcase Marks
Section 10 Generator and Engine Disassembly/Reassembly
See
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