Stop Solenoid - SDMO R33C3 User And Maintenance Manual

Chapter 2 NAME OF PARTS

Stop solenoid

The stop solenoid operates for normal shutdown of
engine operation.
The stop solenoid moves the rack of fuel injection
Stop solenoid (ETR)
pump to cut the fuel, and consequently stops the
engine.
Two types of stop solenoids are available.
RUN OFF (ETS: Energized To Stop) type
Not energized while the engine is running. Energized
by a stop signal to stop the engine.
RUN ON (ETR: Energized To Run) type
Fig. 2-20 Stop solenoid
Energized while the engine is running, and de-ener-
gized to stop the engine.
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