Lincoln Electric RANGER 225 GXT Service Manual page 63

Lincoln electric welder user manual
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F-23
AUXILIARY AND FIELD WINDING TEST (continued)
To test the field winding:
1. Remove the fuel cap and lift bail rubber gasket.
With the 5/16" nut driver, remove the case top
and left side; then reinstall the fuel cap.
2. Connect the volt/ohmmeter probes to leads #7
and #9 where they connect to the Field Idle
Control P.C. Board.
3. Start the engine and run it at high idle (3700
RPM).
4. Set the output control to the maximum position
(position 10).
5. Check the AC voltage reading.
between 41 and 45 VAC.
If any one or more of the readings are missing or
not within specifications, then check for loose or
broken wires between the test points and the sta-
tor windings. See the Wiring Diagram. Make sure
the windings are NOT grounded internally to the
stator iron. If the leads are intact, then the stator
may be faulty. Replace the stator.
TROUBLESHOOTING AND REPAIR
It should be
RANGER® 225 GXT
If the voltage readings are within specifications,
then the windings are good and functioning prop-
erly.
6. Reinstall the case side, case top, fuel cap, and
lift bail gasket
F-23

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