Lincoln Electric 350, 550 manual Select and Install GUN Consumable Parts, KP Nos. for Gun Model

Both

550

amp

KP2745-035KP2745-035-B100KP2745-045KP2745-045-B100KP2745-052KP2745-052-B100KP2745-116KP2745-116-B100

KP2745-564KP2745-564-B100KP2745-332KP2745-332-B100

A-5 INSTALLATION A-5

SELECT AND INSTALL GUN CONSUMABLE PARTS

1. LINER ASSEMBLY

			TABLE A.2
		KP Nos. for Gun Model
	Wire Diameter	350 amp	550 amp
0.035		KP44-3545-15	KP45-3545-15
	0.045	KP44-3545-15	KP45-3545-15
	0.052	KP44-116-15	KP45-116-15
	1/16	KP44-116-15	KP45-116-15
	5/64	none	KP45H-332-15
	3/32	none	KP45H-332-15

Note that the Magnum Pro 350 and 550 amp fume guns use the same liner assemblies as the Magnum 300 and 550 MIG gun products, respectively.

2.CONTACT TIP (See Figure A.5)

TABLE A.3

KP Numbers

Gun Wire 10-piece pack 100-piece pack Model Diameter

0.035

0.045

0.052

1/16

5/64

3/32

3.GAS DIFFUSER, CONTACT TIP AND GAS DIFFUSER

Figure A.5

4.FUME COLLECTION NOZZLE (See Figure A.6)

Figure A.6

•Select the fume collection nozzle to match the weld- ing process.

•Twist counter clockwise to begin removing the fume collection nozzle (right-hand thread convention).

•Pull to finish removing the fume collection nozzle. Install nozzle by pushing then twisting clockwise. Do not over-tighten the nozzle.

PERIODIC REPLACEMENT PARTS

Gun tube assembly	KP2738-1
Fume tube assembly	KP2739-1
Vacuum hose cover	KP2736-1
Liner assemblies	See Table A.2

MAGNUM™ PRO 350 and 550 FUME GUNS