Lincoln Electric V250-S service manual Troubleshooting & Repair

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F-75 TROUBLESHOOTING & REPAIR F-75

MAIN TRANSFORMER REMOVAL AND REPLACEMENT

(MACHINE CODES ABOVE 10150)

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21.With the 3/4” wrench assemble the positive output lead to the positive output terminal.

Take note of the by-pass connec- tion on the positive output terminal.

22.Reassemble the shunt assembly to the negative output terminal. Take note of the by-pass connection on the negative terminal. Clear leads and install any necessary cable ties.

23.Connect the two thermostat leads.

24.Connect the shunt sensing leads to the control board (plug J4).

25.Connect primary leads #201, #204, #205 and #208 to the power board.

Be sure leads #204 and #205 are routed through the current trans- former (T3) in the correct man- ner.

Secure leads with cable ties.

26.Clear all leads and secure for case wrap-around assembly.

INVERTEC V250-S