Lincoln Electric SVM173-A service manual Figure F.4 Input Rectifier Test

Models: SVM173-A

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F-16

F-16

 

 

TROUBLESHOOTING & REPAIR

INPUT RECTIFIER TEST (CONTINUED)

FIGURE F.4 – INPUT RECTIFIER TEST

INPUT

A

RECTIFIER

B

 

C

NEG (-)

POS (+)

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TEST PROCEDURE

1.Remove input power to the Power Wave 455M.

2.Using the 3/8” nut driver, remove the case top.

3.Perform the Capacitor Discharge Procedure.

4.Locate the Input Rectifier and lead locations. Refer to Figure F.4.

NOTE: Some silicone sealant may have to be removed from the input rectifier termi- nals. The G.E. silicone or equivalent should be replaced when test is com- plete.

5.With the phillips head screw driver remove the positive and negative leads from the rec- tifier.

POWER WAVE 455M/MSTT

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Lincoln Electric SVM173-A service manual Figure F.4 Input Rectifier Test