Lincoln Electric SVM153-A service manual Procedure

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F-20	F-20
	TROUBLESHOOTING & REPAIR

POWER MODULE CAPACITOR DISCHARGE PROCEDURE (CONTINUED)

FIGURE F.4 – POWER MODULE CAPACITOR TERMINAL DISCHARGE

POWER
MODULE	CAPACITOR
	TERMINALS

PROCEDURE

1.This procedure must be performed with the engine off.

2.Using the 3/8" wrench, remove the front left and right side panels.

3.Locate the four capacitors (two on each side). See Figure F.4.

4.Using the resistor and jumper leads, CARE- FULLY discharge the capacitor terminals.

NEVER USE A SHORTING STRAP FOR THIS PURPOSE. DO NOT TOUCH THE TERMINALS WITH YOUR BARE HANDS. Repeat procedure on the other side.

5.Check the voltage across the capacitor ter- minals. It should be zero volts.

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COMMANDER 500