Nelweld Operations and Service Manual
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1 Gun 2 Gun 1 Gun 2 Gun
C10 Transformer mounting hardware, washer 10mm flat 4 4 524-005-147 G8 Pilot Arc PCB mounting hardware, spacer 4 8 750-600-224
C11 Transformer mounting hardware, washer 10mm locking 4 4 524-005-038 G9 Pilot Arc PCB mounting hardware, nut M5 keps 4 8 524-005-204
C12 Transformer mounting hardware, nut M10 x 15. Hex 4 4 524-008-078 G10 Pilot Arc PCB mounting hardware, washer 5mm flat 4 8 524-005-118
C22 Control connector to SCR Power PCB 1 2 723-241-007 G11 SCR Power PCB 1 2 750-592-001
C22
Alternate control connector to SCR Power PCB with filter (on
European units only)
1 2 723-241-026 G12 SCR Power PCB mounting hardware, screw M5 x 16 5 10 524-005-136
D5 Transformer mounting angle iron 2 2 729-105-000 G13 SCR Power PCB mounting hardware, screw slot adapter 5 10 750-600-222
Bridge assembly, 1 output, 3000/4000 1 0 750-601-107 G14 SCR Power PCB mounting hardware, mounting bracket 5 10 750-600-225
Bridge assembly, 2 output, 3000/4000 0 1 750-601-108 G15 SCR Power PCB mounting hardware, washer M5 fender x 20 5 10 524-005-217
Bridge assembly, 1 output, 5000/6000 1 0 750-600-107 G16 SCR Power PCB mounitng hardware, nut M5 keps 5 10 524-005-204
Bridge assembly, 2 output 5000/6000 0 1 750-600-108 G27 SCR Power PCB mounting hardware, screw M5 x 16 5 10 524-005-214
Bridge mounting hardware, screw M6 x 25, 3000/400 0 4 4 524-002-315 G18 SCR Power PCB mounting hardware, nut M5 keps 5 10 524-005-204
Bridge mounting hardware, screw M8 x 38, 5000/600 0 4 4 524-002-424 H2 Decal, Nelson logo 2 2 724-569-004
Bridge mounting hardware, nut M6 x 1 hex 4 4 524-001-277 I1 Anode lead hardware, sin gle lead, screw M8 x 40, 3000/4000 2 4 524-002-126
Bridge mounting hardware, nut M8 x 1.25 hex 4 4 524-001-276 Anode lead hardware, dual lead, screw M8 x 40, 5000/6000 2 4 524-002-532
Cable, Transformer to Bridge, 3000 3 3 720-544-100 I2 Dual anode lead mounting hardware, cable lug spacer 1 2 750-600-223
Cable, Transformer to Bridge, 4000/5000/6000 3 3 720-544-000 I3 Single/dual lead mounting hardware, washer 8mm flat 2 4 524-005-143
D10 Cable mounting hardware, screw M10 x 25 3 3 524-005-203 I4 Single/dual lead mounting hardware, washer 8mm spring lock 2 4 524-005-082
D11 Cable mounting harrdware, washer 10mm locking 3 3 524-005-083 I5 Single/dual lead mounting hardware, nut M8 hex 2 4 524-002-218
D12 Cable mounting hardware, nut M10 x 1.5 hex 3 3 524-005-078 I6 Cathode lead hardware, single lead, screw M8 x 40, 3000/4000 2 4 524-002-126
D13 Cable mounting hardware, screw M8 x 20 6 6 524-002-126 Cathode lead hardware, dual lead, screw M8 x 40, 5000/6000 2 4 524-002-220
D14 Cable mounting hardware, nut M8 x 1.25 hex 6 6 524-002-218 I7 Single/dual lead mounting hardware, washer 8mm flat 2 4 524-005-143
D15 Cable mounting hardware, washer 8mm spring locking 6 6 524-005-082 I8 Single/dual lead mounting hardware, washer 8mm spring lock 2 4 524-005-082
D16 Cable mounting hardware, washer 8mm flat 6 6 524-005-143 I9 Single/dual lead mo unting hardware, nut M8 hex 2 4 524-002-218
D18 Choke coil 1 2 700-141-000 K2 Cable, 50-pin, SCR Power PCB to Control 1 2 723-241-003
D19 Choke coil mounting hardware, bolt M10 x 90 hex head 1 2 524-001-274 K3 Cable, 50-pin, SCR Power PCB to Pilot Arc PCB 1 2 723-241-008
D20 Choke coil mounting hardware, washer 10mm flat 1 2 524-002-021 K4 Wiring harness, pilot arc 1 1 723-241-009
D21 Choke coil mounting hardware, washer 10mm spring locking 1 2 524-002-020 K5 Cable, pilot arc to ground 1 2 723-241-015
D22 Choke coil mounting hardware, nut M10 x 1.5 1 2 524-002-019 K9 Wiring harness, pilot arc to third phase 1 2 723-241-016
D23 Choke coil mounting hardware, shoulder bushing 1 2 527-002-041 L1 Cabinet top panel, 3000/4000 1 1 750-601-208
D24 Line Filter (on European units only) 1 2 750-600-250 Cabinet top panel, 5000/6000 1 1 750-600-213
G4 Gap pad, thermally conductive 1 2 729-106-030 L2 Lifting handle 4 4 750-600-214
G5 Pilot Arc PCB 1 2 750-593-000 L3 Lifting handle mounting hardware, M10 x 20 12 12 524-005-207
G6 Pilot Arc PCB mounting hardware, screw M5 x 30 4 8 524-005-213
G7 Pilot Arc PCB mounting hardware, screw slot adapter 4 8 750-600-222
Label Description
Quantity Part
Number
Label Description
Quantity
Part Number
D6
D7
D8
D9
709-080-001 (Thermo switch N.O. 37 deg C) for fan
709-080-002 (Thermo switch N.C. 102 deg C) for SCR overtemp.
Note: Most wire harnesses are stocked in kits 723-241-300 (dual gun
harness kit and 723-241-301 (single gun harness kit). For European
kits: 723-241-302 (dual gun harness kit) and 723-241-303 (single gun
harness kit).