Lincoln Electric LF-72/74 service manual AA-17, Figure AA.12a

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AA-17	INSTALLATION	AA-17
INSTALLING ELECTRODE	4. Loosen the set screw on the feed plate and remove
CONDUIT KITS	the incoming bushing.
	FIGURE AA.12a
WARNING	SET
	SCREW
	CONDUIT
	CONNECTOR

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ELECTRIC SHOCK can kill.

•Turn the input power OFF at the dis- connect switch before working on this equipment.

•Do not touch electrically hot parts.

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Electrode conduit is used when feeding from wire drums, boxes or large reels. For best feeding results, use the shortest conduit length possible and avoid sharp bends.

Tools required:

•1/8" Hex key wrench

•5/16" Nut Driver

To install Lincoln conduit:

1.Turn off power at the welding power source.

FIGURE AA.12

MOUNTING SCREWS *

SECURING WIRE DRIVE PANEL

INCOMING

BUSHING

BALL

BUSHING

ASSEMBLY

O-RING

SET SCREW

MOUNTING SCREWS* SECURING WIRE DRIVE PANEL

*REMOVE 6 MOUNTING SCREWS

THUMB

SCREW

5.Insert the conduit connector into the feed plate and secure with the set screw. Rotate the conduit con- nector so the thumb screw does not interfere with the idle arm or door.

6.Mount the wire drive panel to the sheet metal hous- ing with the six screws.

7.Insert conduit through the sheet metal of the LF-74 and into the conduit connector. Secure with the thumb screw.

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2.Remove the o-ring holding the ball bushing assem- bly to the back of the wire feeder. Remove the ball bushing assembly.

3.Remove the six screws securing the wire drive panel to the sheet metal housing.

LF-72/74