TM-5-4310-389-14
Figure 4-73. Stop Lever/Solenoid Speed Control/Throttle
1.
Follow start-up procedures to turn the ignition switch ON, but do not turn to START. With the safety bypass
turned on, person No. 1 presses the oil pressure button, while person No. 2 presses the plunger toward the front
of the engine. Solenoid should lock in the RUN position. If solenoid does not lock in place, check for voltage
between Black No.2 and Red No.9 for 12 volts (figure 4-74). If voltage is present, suspect the solenoid.
2.
Attach a multimeter to Black No. 2 and White No. 8. Turn the key to start and watch for 10 to 12-volt reading.
If multimeter indicates voltage, suspect the solenoid.
3.
Isolate the solenoid if (a) or (b) indicates a bad solenoid. Set multimeter to 200 ohms and do the following:
4.
If any values are not within the range in table 4-10, replace the solenoid.
Figure 4-74. Solenoid Wiring
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