Lincoln Electric EAGLE 10,000 Service Manual page 50

F-14
FIGURE F.1 – LOCATION OF LEAD 200A AND 219 FOR ROTOR VOLTAGE TEST
TEST PROCEDURE
1. With the 5/16" nut driver, remove the 6 sheet
metal screws from the case top.
2. Remove the rubber gasket (cover seal) from the
lift bail.
3. Remove the fuel cap. The rubber gasket for the
fill tube will come off with the case top.
4. Remove the case top, then reinstall the fuel
cap.
5. With the 5/16" nut driver, remove the 5 screws
holding the right case side.
6. Remove the right case side by lifting up and
out.
7. Set the volt/ohmmeter to the DC volts position.
8. Connect the positive meter probe to the brush
nearest the rotor lamination (lead 200A). See
Figure F.1 for location.
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TROUBLESHOOTING AND REPAIR
ROTOR VOLTAGE TEST (continued)
Brushes
Slip Rings
-
EAGLE™ 10,000
Lead 200A
Lead 219
+
9. Connect the negative meter probe to the other
brush (lead 219).
10. Start the engine and run it at high idle (3650
RPM). Set the output control to the MAXI-
MUM position, (position 10).
11. Check the voltage reading on the voltmeter. It
should read between 37 and 46 VDC.
12. If the voltage reading is low or not present, the
Perform the Rotor Resistance Test.
generator field is not functioning properly.
Field Diode Bridge (D2), the Field Capacitor
(C1), and/or the Printed Circuit Board may be
faulty.
13. If the voltage reading is normal, the field circuit
is functioning properly. Install the right case
side with the 5 sheet metal screws with the
5/16" nut driver. Remove the fuel cap; install
the case top and tighten the 6 sheet metal
screws with the 5/16" nut driver. Install the
rubber gasket over the lift bail and install the
fuel cap.
F-14
The