Specifications
8
Inspect the cable for cuts, nicks or tears. If you can see bare copper return for maintenance.
Inspect the front end consumables. Clean weld spatter and inspect the nozzle insulator. If nozzle insulation is
damaged is should be replaced.
Check that the gas diffuser is tight on the gooseneck.
Check the gas holes on the diffuser and clean if necessary.
Check and tighten the contact tip.
Check all electrical connections including the power cable from the power supply, torch/feeder connections, and
control cables for loose connections. Tighten if necessary. Loose connections can cause overheating of cables and/or
loss of electrical power.
NOZZLE SELECTION CHART
300 SERIES NOZZLES
PART #
DESCRIPTION
TYPE
BORE SIZE
MATERIAL
BORE ID
DIMENSION
O.A.L.
INSULATOR
REQUIRED
75133801
NOZZLE - CONICAL
A
3/8" (9.5mm)
NI PLATED BRASS
.375"(9.5mm)
2.820" (71.6mm)
NONE REQ.
75133802
NOZZLE - BOTTLE NOSE
C
3/8" (9.5mm)
NI PLATED BRASS
.375"(9.5mm)
2.820" (71.6mm)
NONE REQ.
75135601-I
NOZZLE - CONICAL
A
9/16” (14.2mm)
NI PLATED BRASS
.593"(15.1mm)
2.820" (71.6mm)
INSTALLED
75135002-I
NOZZLE - TAPERED
B
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
2.820" (71.6mm)
INSTALLED
75135003-I
NOZZLE - TAPERED
C
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
2.672" (67.96mm)
INSTALLED
75135602-I
NOZZLE - CONICAL
A
9/16" (14.2mm)
NI PLATED BRASS
.593"(15.1mm)
2.545" (64.6mm)
INSTALLED
75135004
NOZZLE – CONICAL SHORT
G
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
1.937" (49.2mm)
NONE REQ.
400 SERIES/500 SERIES
NOZZLES
BORE
INSULATOR
PART #
DESCRIPTION
TYPE
BORE SIZE
MATERIAL
ID DIMENSION
O.A.L.
REQUIRED
75146201-I
NOZZLE - BOTTLE NOSE
E
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
3.125" (79.4mm)
INSTALLED
75145001
NOZZLE - BOTTLE NOSE
C
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
3.031" (77.0mm)
75001733
75146202
NOZZLE - CONICAL
A
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
3.125" (79.4mm)
75001738
75146202C
NOZZLE - CONICAL
A
5/8" (15.9mm)
NI PLATED COPPER
.625"(15.9mm)
3.125" (79.4mm)
75001738
75146202CU
NOZZLE - CONICAL
A
5/8" (15.9mm)
BARE COPPER
.625"(15.9mm)
3.125" (79.4mm)
75001738
75145601-I
NOZZLE - TAPERED
B
9/16" (14.2mm)
NI PLATED BRASS
.563"(14.2mm)
3.125" (79.4mm)
INSTALLED
75145002C
NOZZLE - TAPERED
B
1/2" (12.7mm)
NI PLATED COPPER
.531"(13.5mm)
3.125" (79.4mm)
75001738
75145002CU
NOZZLE - TAPERED
B
1/2" (12.7mm)
BARE COPPER
.531"(13.5mm)
3.125" (79.4mm)
75001738
75145003
NOZZLE - TAPERED (LONG)
B
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
3.915" (99.4mm)
NONE REQ.
75146501S
NOZZLE - SPOT
H
5/8" (15.9mm)
NI PLATED BRASS
.656"(16.7mm)
3.437" (87.3mm)
75001738
75146204-I
NOZZLE - CONICAL
A
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
2.820" (71.6mm)
INSTALLED
75146204CU
NOZZLE - CONICAL
A
5/8" (15.9mm)
BARE COPPER
.625"(15.9mm)
2.820" (71.6mm)
75001738
75145602-I
NOZZLE - SMALL CONICAL
D
9/16" (14.2mm)
NI PLATED BRASS
.593"(15.1mm)
2.820" (71.6mm)
INSTALLED
75144301-I
NOZZLE - TAPERED
D
7/16" (11.1mm)
NI PLATED BRASS
.438"(11.1mm)
2.820" (71.6mm)
INSTALLED
75145004
NOZZLE - BOTTLE NOSE
C
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
3.125" (79.4mm)
75001733
75146205-I
NOZZLE - CONICAL
A
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
3.031" (77.0mm)
INSTALLED
75146205CU
NOZZLE - TAPERED
B
5/8" (15.9mm)
BARE COPPER
.625"(15.9mm)
3.031" (77.0mm)
75001738
75146206-I
NOZZLE - SHORT CONICAL
G
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
1.875" (47.6mm)
INSTALLED
75146207-I
NOZZLE - SHORT CONICAL
G
5/8" (15.9mm)
NI PLATED BRASS
.625"(15.9mm)
2.187" (55.6mm)
INSTALLED
75147501
NOZZLE - CYLINDRICAL
F
3/4" (19.0mm)
NI PLATED BRASS
.703" (17.9mm)
3.125" (79.4mm)
75001738
75147501CU
NOZZLE - CYLINDRICAL
F
3/4" (19.0mm)
BARE COPPER
.703" (17.9mm)
3.125" (79.4mm)
75001738
75145603-I
NOZZLE - SHORT TAPERED
G
9/16" (14.2mm)
NI PLATED BRASS
.563"(14.2mm)
2.375" (60.3mm)
INSTALLED
75145005
NOZZLE - BOTTLE NOSE
C
1/2" (12.7mm)
NI PLATED BRASS
.500"(12.7mm)
2.820" (71.6mm)
75001733
75144302-I
NOZZLE - TAPERED
D
7/16" (11.1mm)
NI PLATED BRASS
.438"(11.1mm)
3.125" (79.4mm)
INSTALLED