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TROUBLESHOOTING & REPAIR
F-39 F-39
LN-9 GMA Wire Feeder
VOLTMETER ACCURACY TEST (continued)
FIGURE F.9 – VOLTMETER CONNECTION POINT
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.
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.
BRASS
CONDUCTOR
BLOCK