Troubleshooting and repair – Lincoln Electric INVERTEC SVM199-A User Manual

Page 106

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INPUT

CONTACTOR

601

X4

INPUT
CONTACTOR

601

X4

FIGURE F.18 – INPUT CONTACTOR LOCATION

INPUT CONTACTOR

REMOVAL AND REPLACEMENT PROCEDURE (continued)

REMOVAL PROCEDURE

1. Remove input power to the V450-PRO.

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

and input access panel.

3. Perform the Capacitor Discharge Procedure.

4. Locate the input contactor. Label leads and,

using the slot head screwdriver, carefully
remove the leads from the input contactor ter-
minals. Note placement for reassembly. See
Figure F.18.

5. With the 5/16” nut driver, remove the three

mounting screws.

6. Carefully remove the input contactor.

REPLACEMENT PROCEDURE

1. Mount the contactor and tighten the mounting

screws.

2. Assemble the previously removed leads to the

correct terminals. See wiring diagram

3. Install the case top, sides, and input access

panel using the 3/8” nut driver.

TROUBLESHOOTING AND REPAIR

F-66

F-66

INVERTEC® V450-PRO

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