Lincoln Electric IM990 MAGNUM PRO 350 and 550 FUME GUNS - Manual (Page 12)

PERIODIC REPLACEMENT PARTS
Gun tube assembly KP2738-1
Fume tube assembly KP2739-1
Vacuum hose cover KP2736-1
Liner assemblies See Table A.2
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.
A-5 INSTALLATION
MAGNUM™ PRO 350 and 550 FUME GUNS
A-5
SELECT AND INSTALL GUN
CONSUMABLE PARTS
1. LINER ASSEMBLY
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)
3. GAS DIFFUSER, CONTACT TIP AND GAS
DIFFUSER
Figure A.5
Wire Diameter
0.035
0.045
0.052
1/16
5/64
3/32
350 amp
KP44-3545-15
KP44-3545-15
KP44-116-15
KP44-116-15
none
none
550 amp
KP45-3545-15
KP45-3545-15
KP45-116-15
KP45-116-15
KP45H-332-15
KP45H-332-15
KP Nos. for Gun Model
Wire
Diameter
0.035
0.045
0.052
1/16
5/64
3/32
Gun
Model
Both
550
amp
10-piece pack
KP2745-035
KP2745-045
KP2745-052
KP2745-116
KP2745-564
KP2745-332
100-piece pack
KP2745-035-B100
KP2745-045-B100
KP2745-052-B100
KP2745-116-B100
KP2745-564-B100
KP2745-332-B100
KP Numbers
TABLE A.2
TABLE A.3