Select and Install GUN Consumable Parts | Lincoln Electric 350, 550

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

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

Contents

IM990 Safety California Proposition 65 Warnings Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion Iii Précautions DE Sûreté Sûreté Pour Soudage a LʼArc Thank You Table of Contents Installation Technical Specifications Magnum PRO Fume GunsMagnum PRO 350 and 550 Fume Guns Unpacking the Fume GUN Feeder END Figure A.2, Items 1 thruFeeder END Figure A.4, Items 1 thru Safety Precautions Compatibility of Welding Machines and Wire FeedersPrepare the Welding Machine and Wire Feeder as follows Preparing the Fume GUN for Welding Select and Install a Wire Feeder Connection K KIT Kit No. for Gun Model Select and Install GUN Consumable Parts Wire Diameter 350 amp 550 ampKP Nos. for Gun Model Connect the GUN to the Wire Feeder Removing the Fume Tube Assembly See figure A.7Connect the GUN to the Fume Collection System Operation Product Description Selecting or Changing Trigger Position See Figure B.1 Load Specified Wire Into the GUN Welding Also See Installation SectionPrepare the Fume GUN for Make the Weld Accessories Accessories or Options Maintenance Routine Cleaning InspectionsGAS Diffuser Replacement Liner Assembly Cleaning or Replacement Trigger and Accessory Switch Lead Routings Gun Handle, See Figure D.1 GUN Tube Replacement Trigger Assembly ReplacementGUN Cable Assembly Replacement Assembly Cleaning or Replacement Maintenance Troubleshooting HOW to USE Troubleshooting Guide Problems Path Unkinked wire emerges Poor fume extraction Possible Areas Recommended Symptoms Possible Recommended Symptoms Cause Course of Action Magnum PRO 350 and 550 Fume Guns Magnum PRO 350 and 550 Fume Guns Precaucion Aviso DE