Lincoln Electric SVM168-B service manual Output Rectifier Bridge Removal

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F-52 TROUBLESHOOTING & REPAIR F-52

OUTPUT RECTIFIER BRIDGE REMOVAL

AND REPLACEMENT (continued)

FIGURE F.11 - OUTPUT RECTIFIER CONNECTIONS

#8

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TO POLARITY SWITCH

(3) 1/2"

MOUNTING

SCREWS

ENGINE

(-)	L1 TO CHOKE	W1
	(+)
		TO S2
(-) (+)	(+) (-)

(4) 7/16"

MOUNTING SCREWS

NO NUT	TO S2
	TO S1
	254

PROCEDURE

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1.Remove the engine spark plug wires.

2.With the 5/16” nut driver, remove the 6 sheet metal screws from the case top.

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

4.Remove the fuel cap. The rubber gasket for the fill tube will come off with the case top.

5.Remove the case top, then reinstall the fuel cap.

6.With the 5/16” nut driver, remove the 5 screws holding the right case side.

7.Remove the right case side by lifting up and out.

For the remaining steps, refer to Figure F.11.

8.With the 1/2” wrench, remove the choke lead.

9.With the 1/2” wrench, remove the heavy cable and the #8 lead (White) from the rec- tifier negative heat sink.

10.WIth the 7/16” wrench, remove the W1 lead and the heavy lead going to the S2 Polarity switch.

11.With the 7/16” wrench, remove the S2 lead, the heavy lead going to the S1 Range switch, and 254 (White) lead to sense tur- roid.

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