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F-25

F-25

INSTALLATION

SHUTDOWN SOLENOID TEST (continued)

FIGURE F.7 – PLUG J30 PIN/LEAD ASSIGNMENTS

#224(+)#262(-)

8

7

6

5

4

3

2

1

9

10

11

12

13

14

15

16

J30

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5.Check the shutdown solenoid coil resistance from lead #224 (8J30) to lead #262 (7J30). The normal resistance is approximately 3 ohms. If the resistance is not correct, the coil or the diode that is in parallel with the coil may be faulty. See the Wiring Diagram. See Figure F.7.

6.Using the external 12VDC supply apply 12VDC to leads #224(+) and #262(-). See Figure F.7. CORRECT POLARITY MUST

BE OBSERVED OR DAMAGE TO THE INTERNAL DIODE MAY RESULT. See the Wiring Diagram. The shutdown solenoid should activate when the 12VDC is applied. This can be detected by a “clicking” sound.

7.The solenoid should deactivate when the 12VDC is removed.

8.If the solenoid does not activate when the 12VDC is applied the solenoid or internal diode may be faulty. Replace.

9.Reconnect plug J30 and P30. Replace any cable ties previously removed.

10.Reassemble the right front case side and close the engine service access door.

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COMMANDER 300

Page 81
Image 81
Lincoln Electric SVM145-B service manual Shutdown Solenoid Test, J30