Lincoln Electric SVM112-B service manual Reconnect Switch Test, For 230 VAC

Models: SVM112-B

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F-82

F-82

TROUBLESHOOTING & REPAIR

RECONNECT SWITCH TEST 1

FIGURE F.26 - RECONNECT SWITCH

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1. RECONNECT PANEL

2. RECONNECT SWITCH

3. LEAD CONNECTIONS

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TEST PROCEDURE

1.Remove main input supply power to the machine.

2.With the 3/8" nut driver, remove the 4 screws that hold the handle to the machine.

3.Remove the rubber gasket (cover seal) from the lift bail.

4.With the 5/16" nut driver, remove the sheet metal screws from the case top.

5.With the 5/16" nut driver, remove the screws holding the right and left case sides. Remove the case sides by lifting up and out.

6.Perform the Capacitor Discharge Procedure described earlier in this section of the manual.

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WARNING

Before continuing with the test procedure, perform the capacitor discharge proce- dure to avoid electric shock.

7.Test the reconnect switch for short circuits according to the voltage for which the machine is wired:

For 230 VAC:

A.Check that the following leads are con- nected together at the reconnect switch: #9A, #9B, #9C, #9D, #9K, #9J, and POS.

B.Check that the following leads are con- nected together at the reconnect switch: #12A, #12B, #12C, #12D, #12K, #12J, and NEG.

C.With the volt/ohmmeter, check that there is no continuity between the two groups of leads in A and B above.

POWER WAVE 450

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Lincoln Electric SVM112-B service manual Reconnect Switch Test, For 230 VAC