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Chapter 8 FUEL SYSTEM
3.3.4 Solenoid Function - Verify
Make sure the solenoid functions of start, running and emergency stop of the engine and check the fuel injection pump rack
positions.
Stop solenoid
Note:(a) If the distance for the fuel rack end of fuel injection pump is 68.5 mm [2.697 in.] (3.5 mm [0.138 in.] play to the rack)
or more, the engine may not be stopped.
(b) If the distance of fuel injection pump rack end is 66 mm [2.60 in.], fuel injection pump rack stopper may be damaged.
Ensure the correct play of 2 to 3 mm [0.08 to 0.12 in.]
Start rack restrict solenoid RUN OFF
Specification Item Engine starting Engine running Engine emergency stop
Stop solenoid
RUN ON
Plunger position (spring condition) Compressed Stretched
Activation ON OFF
Distance from the fuel injection pump end face
to control rack end
- 68±0.5 mm [2.68±0.019 in.]
Stop solenoid
RUN OFF
Plunger position (spring condition) Stretched Compressed
Activation OFF ON
Distance from the fuel injection pump end face
to control rack end
- 68±0.5 mm [2.68±0.019 in.]
Specification Item Engine starting Engine running Engine emergency stop
Start rack restrict
solenoid
RUN OFF
Plunger position (spring condition) Compressed Stretched Stretched Compressed
Activation ON OFF ON OFF
Distance from the fuel injection pump end face
to control rack end
- FULL 68±0.5 mm [2.68±0.019 in.]
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