Lincoln Electric SVM152-A service manual Screws

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F-68 F-68

TROUBLESHOOTING & REPAIR

MODE BOARD

REMOVAL AND REPLACEMENT (continued)

FIGURE F.28. – CASE FRONT

AMPS			VOLTS
CONTROL			WELD TERMINALS
REMOTE			REMOTE
LOCAL		OUTPUT		ON
SELECT				SELECT
m WELD MODE		HOT START	ARC CONTROL
CC-STICK SOFT		5		0
	4	6	-2
				+2
CC-STICK CRISP	3	7	-4	+4
TIG GTAW	2	8	-6	+6
CV-WIRE	1	9	-8
SELECT				+8
CV-FLUX CORED		0	-10	+10
		10
			SOFT	CRISP

5/16" Screws

ON

OFF OFF OFF

OFF

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9.Remove plug #J34 from the mode board.

10.Remove plug #J31 originating from the status board located directly above the mode board.

11.Open the cover of the weld mode display on the front of the machine.

12.Using a 5/16” nut driver, remove the three 5/16” screws as shown in Figure F.28.

13.Carefully maneuver the the mode faceplate up and away from the machine. The bottom of the plate will come out first. Note: The mode board will still be attached to its mounting plate.

14.Place both knobs in the full counter clockwise position to gain access to the mounting screws.

15.Using a small flathead screwdriver, loosen the screw in the “Hot Start” knob and the “Arc Control” knob. The knobs should slide off of their shafts. See Figure F.29.

16.Using a 1/4” wrench remove the nuts and their washers behind the “Hot Start” and “Arc Control” knobs.

17.Remove the mode board by gently prying from behind the board.

V350-PRO