Lincoln Electric Cobramatic K2259-1 Operator'S Manual Download Page 1

WIRE FEEDER

IM775-A

MK 091-0612 

October 2007 

OPERATOR’S MANUAL

Cobramatic

®

K2259-1

For use with code 11480

Safety Depends on You

Lincoln arc welding equipment is 
designed and built with safety 
in mind.  However, your overall 
safety can be increased by proper 
installation...and thoughtful oper-
ation on your part.
DO NOT INSTALL, OPERATE 
OR REPAIR THIS EQUIPMENT 
WITHOUT READING THIS 
MANUAL AND THE SAFETY 
PRECAUTIONS CONTAINED 
THROUGHOUT.  And, most 
importantly, think before you act 
and be careful. 

Sales and Service through Subsidiaries and Distributors Worldwide

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100  FAX: 216.486.1751  WEB SITE: www.lincolnelectric.com

World’s Leader in Welding and Cutting Products

 

®

Copyright © 2007 Lincoln Global Inc.

Summary of Contents for Cobramatic K2259-1

Page 1: ...and thoughtful oper ation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before yo...

Page 2: ......

Page 3: ...escription 3 Recommended Processes and Equipment 4 Controls and Settings 4 PosaStart Operating Procedure 6 Remote Operation 7 Accessories Section C Optional Kits 7 Maintenance Section D Routine Mainte...

Page 4: ...EEC Electromagnetic Compatibility EMC Directive 89 336 EEC Standards Arc Welding Equipment Part I Welding Power Sources IEC 60974 1 September 1998 Second Edition Arc Welding Equipment Wirefeed Systems...

Page 5: ...Cobramatic Safety page i...

Page 6: ...Cobramatic Safety page ii 0 0 0 1 0 0 11 2 0 3 4 5 231 4 5 6 1 1 0 1 6 6 6 6 7 7 7 8 9 2 6 6 4 6 3 7 0 0 6 2 5 2...

Page 7: ...Cobramatic Safety page iii 2 7 7 9 2 7 9 4 6 A 4 A B 3 7 2 2 2 C 6 D CCC C D 0 45 3 45 7 6 5 3 1 3 4 5 4 1 3 E 7 5 1 5 F 3 1 F 5 5 5 1 5 5 3 F 6 G F 8 F G 8 E H 0 CC5E E 5 4 2...

Page 8: ...Cobramatic Safety page iv...

Page 9: ...Cobramatic Safety page v...

Page 10: ...JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ JJJJJJJJJJJJJJJJJJJJ...

Page 11: ...wing A Coolant Flow rate 1 quart minute at 45 p s i B Resistivity 10K ohms centimeter C Ph Range 5 5 8 5 D Particle Size 005 Machine Grounding The Cobramatic and GMAW wire feeders are grounded to the...

Page 12: ...30 035 AL Only To reset the Knob back to the factory setting of All Other Wires use the retainer nut as described above and turn in the CLOCKWISE direction until it stops The Spindle Knob is now set t...

Page 13: ...connect the water hose to the middle fitting on the power block Wire Conduit Inlet Front panel access to attach conduit to front of slave motor assembly Power Cable Inlet Front panel access to attach...

Page 14: ...switch changes the torque of the slave motor for the wire you are using When in the 030 035 aluminum only position the slave motor produces approximately 1 1 2 lbs inches and approximately 4 1 2 lbs...

Page 15: ...s rows 1 3 are configured for 0 25 sec Just to the left of the jumpers is a turn potentiometer pot which is used with both variable settings For the 0 1 sec range move the jumpers across rows 3 5 For...

Page 16: ...e weld ing speed set on the gun potentiometer The Posa Start feature allows the Cobramatic feeder and gun to be used in conjunction with constant current DC welding power sources of open cir cuit volt...

Page 17: ...s By making connections across specific points of TB1 such functions as the trigger and motor speed control can be controlled using an external source such as a controller interface or a PLC program m...

Page 18: ...ng delivered to the gun motor place a voltmeter across diode test points TP1 TP2 and pull gun trigger A reading between 0 VDC 28 VDC should be observed as the gun potentiometer is varied Figure 9 Test...

Page 19: ...ng power source not working correctly Check power supply for proper operation Wire feeds erratically Dirty or worn conduit Blow out or replace conduit Incorrect pressure on drive rolls Adjust pressure...

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Page 21: ...tic Front Panel Assembly 17 003 2068 Cobramatic Slave Motor Assembly 18 003 2063 Cobramatic Power Block Assembly 19 003 2146 Cobramatic Spindle Assembly 20 003 2137 Gas Solenoid Assembly 21 843 0496 L...

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Page 23: ...r 42 VAC Hot Black Input Power 42 VAC Neutral White Chasis Ground Green Closing Contacts Out Closing Contacts Out Weld Posa Start voltage sensing lead ground L4 Lit Weld Speed blue L1 Gas on yellow J2...

Page 24: ...Cabinet and Gun Connections Coolant Supply Coolant Return Shielding Gas Welding Power Gas Coolant Return Power Coolant In Gas Shielding Gas Power Cable Welding Power Input Gun Air Cooled Input Connect...

Page 25: ...cal Electronic Connection 36 1 405 0886 Decal Warning T13297 37 2 405 0887 Decal Warning T13470 38 1 405 0888 Decal Warning T16196 39 1 405 0943 Decal Instructions Door Spool 40 2 405 0944 Decal Door...

Page 26: ...Cobramatic Owner s Manual THIS PAGE INTENTIONALY BLANK...

Page 27: ...Gromment Panel Mount 5 1 341 0050 Nut 3 8 32 St 6 2 345 0004 Nut Hex Lock 4 40 7 1 401 0012 Knob 1 0 Blk 8 1 436 0153 Silkscreen Pnl Fr Lincoln CB 9 1 003 1642 Assy con 7P W CB 10 1 003 2138 Assy Swx...

Page 28: ...0 1 431 1576 Bolt Swing Mod 11 1 435 1582 Plate Locater Slave Motor 12 1 437 0231 Housing slave Motor Mold 13 1 437 0231 Handle Mold Slave Motor 14 1 437 0232 Arm Idler Mold Slave Motor 15 1 437 0245...

Page 29: ...2 331 0777 Washer Flat 0 391 ID x 0 875 OD 6 1 333 0252 Wshr Lk Star in 6 St 7 2 336 0005 Scr Pn Ph 6 32 x 375 8 1 342 0395 Spacer Current Sensor 9 10 1 431 1612 Block Power CB 11 1 435 3038 Bracket...

Page 30: ...1 331 0313 Wshr Leather 75 ID x 125 Thk 6 1 345 0018 Nut Hex Lock 5 16 18 St 7 3 419 0059 Spg Comp 468 x 437 056 8 1 419 0095 Spg Comp 85 x 69 x 75 9 1 431 1266 Plate Back Up Ring 10 1 431 3726 Adapte...

Page 31: ...3 0853 Pin Crimp 2 1 153 0868 Conn single row 3P 3 2 185 0476 Term slip on female 4 1 405 0762 Label self lam 8 x 1 4 5 1 552 0205 Assy gas connector 6 1 561 0017 Gas solenoid 24V 7 1 753 3285 Adptr F...

Page 32: ...ontrol Cable 843 0496 No Qty Part No Description 1 1 153 1161 Conn 14P X Clocked 2 1 411 0035 Clamp Cable 3 1 301 0026 Boot Cable 12 4 1 301 0021 Boot Cable 10 5 8 ft 844 0025 Cable 7 Conductor 10 Ga...

Page 33: ...Cobramatic Owner s Manual page 23 071 0402 Cobramatic Block Diagram...

Page 34: ...Cobramatic Owner s Manual page 24 071 0400 Cobramatic Main PC Board...

Page 35: ...Cobramatic Owner s Manual page 25 071 0400 Cobramatic Main PC Board...

Page 36: ...Cobramatic Owner s Manual page 26 071 0367 Cobramatic Gun Connections and Front Panel Schematic...

Page 37: ...2 3 4 5 6 7 8 VOLT METER Remote External Trigger Install jumper between TB1 1 GND and TB1 3 TRIG to trigger system GND TRIG TB1 1 2 3 4 5 6 7 8 SW Arc Establish Relay Closure External Contact Signal...

Page 38: ...Cobramatic Owner s Manual page 28...

Page 39: ...iometer signal control the welding voltage of the welding power supply As this external signal adjusts the voltage up or down its external 0 10VDC signal can come back into TB 1 as shown below in Exte...

Page 40: ...Cobramatic Owner s Manual page 30 Manual Gas Purge Jumper from TB1 7 to TB1 1 to externally operate the gas solenoid in the cabinet...

Page 41: ...Cobramatic Owner s Manual page 31...

Page 42: ...Cobramatic Owner s Manual page 32 Copyright 2002 Lincoln Global Inc...

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Page 44: ...XL Spool Guns Python CobraMAX Cobra SX Cobra MX 1 year 3 Sidewinder Spool Gun Prince SG Spool Guns Modules 180 days 4 Repairs Exchanges Parts 90 days Classification of any item into the foregoing cate...

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