Engine Operation
Engine Operation
This chapter will discuss how to properly operate a Detroit™ Gen 5 Heavy Duty
engine. This chapter is broken down into sections that discuss various conditions of
engine operation.
The following sections will be covered in this chapter:
• First Time Engine Operation
- Engine First Start Preparations
- Starting the Engine for the First Time
• Engine Start and Routine Operation
- Starting the Engine
- Idling the Engine
- Running the Engine
- Shutting Down the Engine
- Cold Weather Operation
- Monitoring the Engine Operation
• Shifting a Manual Transmission
• Vehicle Emergency Operation
- Emergency Running Mode
- Emergency Jump Starting
- Stop Engine Override Option
First Time Engine Operation
Engine First Time Start Preparations
When preparing to start a new or newly overhauled engine, perform all of the
operations listed below. Failure to follow these instructions may result in serious
engine damage. This procedure includes the use of special tools to prime the fuel
system. Authorized Detroit™ service outlets are properly equipped for this type of
service. Never use the starting motor and fuel pump to prime the fuel system.
Prolonged use of the starting motor and fuel pump to prime the fuel system can
result in damage to the starter, fuel pump, and injectors.
Be sure to be familiar with all of the instruments, gauges and controls which are
needed to operate the engine.
Note the location and function of the following:
• Oil pressure gauge
• Low oil pressure indicator
• Coolant temperature gauge
Engine Operation
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All information subject to change without notice.
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