Lincoln Electric SVM138-A Service Manual page 103

F-39
VOLTMETER ACCURACY TEST (continued)
TEST PROCEDURE
Perform the following checks with the LN-9 GMA
wire feeder connected to a Lincoln CV welding
power source according to the proper connection
diagram. (See the Installation section of this
manual.)
See Figure F.9 for this test.
TROUBLESHOOTING & REPAIR
FIGURE F.9 – VOLTMETER CONNECTION POINT
BRASS
CONDUCTOR
BLOCK
LN-9 GMA Wire Feeder
1. Lift the right side cover assembly.
2. Connect the test meter (see Materials
Needed) between the brass conductor block
on the wire feeder and the work piece.
F-39