Lincoln Electric IM646-A manual Wire Feeder END Repair K574 and K1722, For K1722

Models: IM646-A

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D-4

MAINTENANCE

D-4

 

 

 

For K1722:

Connect the black lead and the white lead to the gun trigger. Connect the other leads to the rocker switch leads. (See Figure E.5).

STRAIN RELIEF

 

SWITCH

 

 

 

 

 

CABLE ASSEMBLY

STRAIN RELIEF

 

SWITCH WIRES

 

HOUSING

 

 

 

CABLE BOOT

 

 

 

 

 

 

 

 

 

 

 

 

 

T0 RED LEAD

TO BLUE LEAD GUN TUBE

GUN HOUSING

TRIGGER ASSEMBLY

TRIGGER WIRES

Figure E.5

j)Position the cable boot and strain relief on the cable so it fits in cable handle cavity and lock the strain relief in place by pushing the two halves together.

k)Assemble cable in left side of gun handle. Assemble trigger into the proper handle cavity.(For K1722 also assemble the rocker switch in the groves provided in the handle.) Assemble right side of gun handle and tighten the screws that hold the handle together. (See Figures E.4 and E.5).

WIRE FEEDER END REPAIR (K574 AND K1722)

a)Remove the cable liner per previous instructions.

b)Remove the feeder end connector, molded gas plug (or barbed fitting), cable handle nut, plastic tailpiece, and connector cover (See Figure E.6).

NOTE: In order to remove the cable handle nut, the tail of the connector cover must be depressed and the cable handle nut rotated 1/4 turn counterclockwise as viewed from the feeder end.

4.68

(119mm)

 

 

PRESS HERE TO

CONNECTOR COVER

 

REMOVE THE CABLE

 

 

HANDLE NUT

 

.43 (11 mm) MAX

Figure E.6

MAGNUM® 400 DUAL PROCEDURE GUNS

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Image 19
Lincoln Electric IM646-A manual Wire Feeder END Repair K574 and K1722, For K1722