Lincoln Electric SVM158-A service manual Input Rectifier

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F-80 F-80

TROUBLESHOOTING & REPAIR

INPUT RECTIFIER REMOVAL AND REPLACEMENT (continued)

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PROCEDURE

1.Remove input power to the V350-PRO.

2.Using a 5/16” nut driver remove the case wraparound cover.

3.Perform the Input Filter Capacitor Discharge Procedure detailed earlier in this section.

4.Locate the input rectifier. See figure F.36.

5.Carefully remove the silicon sealant insulating the six input rectifier terminals.

6.Remove the six screws from the terminals using a flathead screwdriver. Carefully note the position of all leads and their positions upon removal. See

Figure F.37.

7.Using a 3/16”in. allen wrench remove the two mounting screws and washers from the input bridge. See Figure F.37.

8.Remove the input bridge.

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FIGURE F.36. – INPUT RECTIFIER LOCATION

INPUT

RECTIFIER

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A AMPS

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	TIC	K 7018
-S		K 6010
CC	TIC
-S
CC	TAW
TIG G
	E
CV-		CORED
	WIR
CV-FLUX

W

ARNING

					V		VOLTS
	A				WELD			INALS
	OUTPUT
								T
								ERM
	HOT		START			SELECT
	4
SELECT	3	5			ARC	C	ONTROL
	2		6
	1			7
				8	-2			0
	0				-4
REMOTE			10	9	-6			+2
									+4
					-8
					-				+6
					10
					SOFT			+10	+8
								CRISP
								POWER
				ON
				OFF

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V350-PRO