Kohler 4EOZ Service page 76

5. Discard the gasket located between the exhaust
elbow and the engine head.
Figure 10-26 Exhaust Elbow (Mixer)
Disconnect the fuel supply and return lines
1. To remove the fuel supply line and prevent fuel
spills, close the fuel supply line using a clamp or a
flat-nose pliers located between the filter and the
electric fuel pump.
2. Close the fuel return line to the tank using another
clamp located after the injector's banjo fitting.
Remove the rocker cover
1. Remove the two rocker cover nuts, washer, cover
and gasket. See Figure 10-27.
Note: If the cover is difficult to remove, tap it lightly with
a soft-faced hammer.
64 Section 10 Generator and Engine Disassembly/Reassembly
Figure 10-27 Rocker Cover
Disconnect the high-pressure fuel line
1. Hold a 14 mm wrench on the fuel injector pump's
nipple valve. See Figure 10-28.
2. Loosen the high-pressure line using a 17 mm
wrench.
Figure 10-28 High-Pressure Fuel Line on the
Delivery Valve
TP-6137 5/03