Lincoln Electric RANGER SVM148-B Service Manual page 85

Lincoln electric welder user manual
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F-26
FUEL SHUTDOWN SOLENOID RESISTANCE TEST (continued)
TEST PROCEDURE
1. Conduct this test with the engine off.
2. Unlatch and open the right side engine
access door.
4. Using the ohmmeter, check the resistance
from lead #237 to lead #5K. See Figure F.4.
Normal resistance of the "pull-in" coil is
approximately 0.5 ohms.
5. Using the ohmmeter, check the resistance
from lead #224B to lead #5K. See Figure
F.4. Normal resistance of the "hold-in" coil
is approximately 11.5 ohms.
TROUBLESHOOTING & REPAIR
FIGURE F.3 – PLUG J12 LOCATION
FIGURE F.4 – PLUG J12 PIN/LEAD ASSIGNMENTS
LEAD #224B
RANGER 300 D AND 300 DLX
PLUG J12
LOCATION
3. Locate and disconnect plug J12.
Figure F.3. Also see the Wiring Diagram.
LEAD #237
LEAD #5K
NOTE: This solenoid is activated with 12VDC.
The "hold-in" voltage is derived from the con-
trol board.
The "pull-in" voltage is derived
from the starter contactor.
Diagram. If the 12VDC is not present, check
the leads and associated connections.
6. Reassemble plug J12 and close and latch
the engine access door.
F-26
See
See the Wiring

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