Lincoln Electric SVM138-A Service Manual page 96

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FIGURE F.6 – LEAD #539 AND #541 AT POWER PC BOARD TERMINAL STRIP
TEST PROCEDURE
1. Remove input power to the LN-9 GMA wire
feeder.
2. Remove any electrode wire or disengage
the drive rolls.
3. Using the phillips head screwdriver, remove
the screws from the left side cover assem-
bly.
TROUBLESHOOTING & REPAIR
WIRE DRIVE MOTOR TEST (continued)
LN-9 GMA Wire Feeder
LEAD 539
LEAD 541
4. Lift the left side cover assembly.
5. Locate leads #539 and #541 at the power
PC board terminal strip. See Figure F.6.
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