• Crankcase breather valve assembly
• Oil filler cap
• Vacuum switch
• Electronic control unit (on 4L42C and 4M42 engines)
• Oil temperature sensor (on 4L42C and 4M42 engines)
• Governor position sensor (on 4L42C and 4M42 engines)
• Engine speed sensor (on 4L42C and 4M42 engines)
• Solenoids
• Wiring harnesses
• Fuel hoses
• Intake and exhaust gaskets
• Emission Control Information Labels
Only parts manufactured by Hatz and which have passed the Hatz Quality Assurance
Program are assured of meeting CARB exhaust emission regulations.
UNUSUAL OPERATING CONDITIONS.
The engine must not be operated at a load factor less than 25 % for an extended period as
such operation will cause the fuel injector to foul. If such a condition occurs, you should
contact the nearest HATZ authorized Service Center for necessary repairs.
The engine is designed and adjusted to operate most efficiently at the following
conditions:
• Air temperature of 25° C ( 77° F)
• Atmospheric pressure of 100 kPa (14.5 psi)
• Relative humidity of 30 %
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