Lincoln Electric SVM120-A service manual Output Capacitor Bank Emoval, Procedure

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F-61 F-61

TROUBLESHOOTING & REPAIR

OUTPUT CAPACITOR BANK EMOVAL

AND REPLACEMENT (continued)

FIGURE F.15 - OUTPUT CAPACITOR BANK/PRINTED CIRCUIT BOARD LOCATION

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PROCEDURE

1.Perform this procedure with the engine OFF.

2.WIth the 5/16” and 3/8” nut drivers, remove the sheet metal screws from the right case side.

3.Carefully remove the right case side.

4.With the voltmeter, check the voltage across each of the four output capacitors. If a volt- age is present, use a 25-watt resistor to dis- charge each capacitor. See Figure F.15.

5.With the 1/2” wrench, remove the two nuts, bolts, and associated washers holding the two heavy leads and two small leads (#242B negative and #240A positive) to the capacitor bank buss bars. Note lead placement.

6.With the 3/8” nut driver, remove the four mounting screws holding the capacitor bank assembly to the base of the RANGER 10-LX.

1.PC BOARD COVER

2.VERTICAL BAFFLE

3.CAPACITOR (4)

4.BUSS BAR (2)

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7.Carefully remove the capacitor bank assembly.

8.To replace the capacitor bank assembly, mount the assembly to the base of the machine using the four screws and the 3/8” nut driver.

9.With the 1/2” wrench, attach the two heavy leads, the two small leads, and associated fasteners to the positive and negative capacitor buss bars. Observe capacitor polarity.

10.Install the right case side using the 5/16” and 3/8” nut drivers.

RANGER 10-LX