Input Rectifier Test, Test Procedure | Lincoln Electric SVM158-A

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F-22

INPUT RECTIFIER TEST (CONTINUED)

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1.Remove input power to the V350-PRO machine.

2.Using a 5/16” nut driver, remove the case wraparound cover.

3.Perform the Capacitor Discharge Procedure detailed earlier in this section.

4.Locate the input rectifier and associated leads. See Figure F.3.

5.Carefully remove the silicone sealant from leads 207, 207A, and 209.

6.Using a phillips head screwdriver, remove leads 207, 207A, and 209 from the input rectifier.

7.Use the analog ohmmeter to perform the tests detailed in Table F.2. See the Wiring Diagram.

8.Visually inspect the three MOV’S for damage (TP1,TP2,TP3). Replace if nec- essary.

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Small Lead "H1"

ToAuxiliary Transformer3/16" ALLEN

BOLTS

Small Lead "A"

FRONT ToCircuit Breaker

V350-PRO