Workman MDX--D Electrical SystemPage 5 -- 17
Engine Run Solenoid
The engine run solenoid used on Workman MDX--D
vehicles must be energized for the diesel engine to run.
The run solenoid is mounted totheinjectionpumponthe
engine (Fig. 23). The run solenoid is energized when the
ignition switch is in either the ON or START position.
The engine run solenoid includes two (2) coils for opera-
tion: t he pull coil and the hold coil. When the ignition
switch is turned to START, the fuel solenoid pull coil is
energized and the solenoid plunger retracts. Once the
plunger is retracted, the hold coil will keep it retracted for
continued engine operation. When the solenoid is de--
energized, the plunger extends to shut off fuel supply to
theenginecausingtheenginetostoprunning.
NOTE: A fusible link in the engine wire harness protects
the engine run solenoid pull coil circuit. If this link should
fail, the run solenoid will not function and the engine will
not run. Refer to electrical drawings in Chapter 7 -- Elec-
trical Drawings when troubleshooting the run solenoid.
NOTE: See Kubota Workshop Manual, Diesel Engine,
SM--E3B Series for information regarding engine run
solenoid testing procedure.
1. Engine assembly 2. Engine run solenoid
Figure 23
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Electrical
System