A Series Diesel Engine Base Engine Components 149
Cylinder Head and Valve Train
The cylinder head is a one piece, crossflow design
with two valves per cylinder.
The head has integrally steel alloy valve guides and
hardened valve seat surfaces which can be repaired
in a machine shop using the appropriate service parts.
The cylinder head has a cast intake manifold, fuel
filter head, thermostat housing and an internal water
bypass.
The injectors are mounted in the head for direct
injection into the cylinders.
Separate pedestals for each cylinder are used to
support and route oil to the rocker levers.
The cylinder head gasket is a laminated design with
print o-seal on both sides around the water holes.
A fire ring in the gasket seals the cylinder bores.
As discussed in the Cooling System, the gasket also
provides orifices to control coolant flow.
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