Instruction/ maintenance manual of the product K2259-1 Lincoln International
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WIRE FEEDER IM775-A MK 091-0612 October 2007 OPERA T OR’S MANUAL Cobramatic ® K2259-1 For use with code 11480 Safety Depends on Y ou Lincoln arc welding equipment is designed and built with safety in mind. However , your overall safety can be increased by proper installation.
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Cobramatic ® Owner’ s Manual T able of Contents Safety Guidelines ................................................................................................. i-vi Installation ..................................................................
Cobramatic ® Owner’ s Manual Declaration of Conformity for European Community (CE) Products Note This information is provided for units with CE certification (see rating label on unit). Manufacturer ’s Name: MK Products, Inc. 16882 Armstrong Ave.
Cobramatic ® Safety - page i.
Cobramatic ® Safety - page ii .
Cobramatic ® Safety - page iii 2 "$ +" " ) .
Cobramatic ® Safety - page iv.
Cobramatic ® Safety - page v.
Cobramatic ® Safety - page vi 83 : 9.
Cobramatic ® Owner’ s Manual - page 1 Section A Installation T echnical Specifications Wire Diameter Capacity ............................. .030” - .045” Solid and Hard wire .....................................................................
Cobramatic ® Owner’ s Manual - page 2 Raise wire retainer bar to latched position. Install wire spool onto spindle hub so that wire feeds from bottom of spool towards slave motor . Make sure that the hole in the wire spool aligns with pin on spindle hub.
Cobramatic ® Owner’ s Manual - page 3 sure is added to the wire as it exits the tip. Wire Retainer Bar The design of the patented Cobramatic ® Wire Retainer Bar performs two very important and very basic functions of the wire feeder: a) spool drag tension, and b) wire maintenance on the spool.
Cobramatic ® Owner’ s Manual - page 4 The normal operating sequence of the wire feeder can be viewed on the board itself via sequence LED’s. When the system is triggered, the green T rigger LED (L3) and the yellow Gas Solenoid LED (L1) illuminate simultane- ously .
Cobramatic ® Owner’ s Manual - page 5 release trigger to start welding functions - pull trigger again and release to stop welding functions. The Prepurge/Postpurge functions are pre-configured to provide a preset amount of pre & postpurge gas time; 0.
Cobramatic ® Owner’ s Manual - page 6 T iming adjustment for the variable settings are as follows: Move the jumpers to variable setting location. T urn potentiometer screw (Small flat or cross- head) half way . Upon release of gun trigger , count time between yellow Gas Solenoid LED (L1) and green T rigger LED (L3).
Cobramatic ® Owner’ s Manual - page 7 using Run-in Speed Control, adjust wire feed rate to approximately 50% of welding wire speed set at gun. Initiate an arc, and adjust wire feed speed at gun until correct condition is achieved. At the moment when welding wire speed transition occurs, L4 will illuminate.
Cobramatic ® Owner’ s Manual - page 8 T esting the Feeder T esting the Input Power Circuits The AC circuits are protected by pico-fuses F1 and F2 (see page 13 for location).
Cobramatic ® Owner’ s Manual - page 9 Section E T roubleshooting T roubleshooting Symptom Cause Remedy No wire feed at gun, feeder not oper- ating, i.e., no slave motor or brake solenoid. F1 & F2 fuse(s) in feeder failed. Check AC circuit. Replace fuse(s).
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Cobramatic ® Owner’ s Manual - page 11 Section F Appendices Diagrams/Parts List Main P .C. Board Connections................................................... 13 Cabinet and Gun Connections ................................................. 14 001-4022 Cobramatic ® Assembly .
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Cobramatic ® Owner’ s Manual - page 13 Main P .C. Board Connections J7 Slave Motor J10 T ransformer J8 Current Sensor J4 Front Panel J9 Brake Solenoid J5 T erminal Strip J6 T erminal Strip JP3 Gas .
Cobramatic ® Owner’ s Manual - page 14 Cabinet and Gun Connections Coolant Supply Coolant Return Shielding Gas Welding Power Gas Coolant Return Power/ Coolant In Gas Shielding Gas Power Cable Weldi.
Cobramatic ® Owner’ s Manual - page 15 Cobramatic 42 V Assembly 001-4022 No. Qty . Part No. Description 1 1 003-0784 Assy Pawl Cobramatic 2 1 003-2118 Assy PCB Main 42V 3 1 003-1723 Assy Xfmr 42V 4.
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Cobramatic ® Owner’ s Manual - page 17 Front Panel Assembly 003-2176 No. Qty . Part No. Description 1 1 003-1332 Assy Cable Ribbon 26C 2 1 003-1631 Cable Power Assy . 3 1 003-2001 PCB Front Panel 42V CB 4 1 301-0023 Gromment Panel Mount 5 1 341-0050 Nut 3/8-32 St.
Cobramatic ® Owner’ s Manual - page 18 Slave Motor Assembly 003-2068 No. Qty . Part No. Description 1 1 003-0176 Assy Knob Conduit 2 1 003-21 13 Assy T orque Mtor 42V 3 1 328-0024 Scr Shc B-32 x 3/.
Cobramatic ® Owner’ s Manual - page 19 003-2063 Power Block Assembly A A A A B A A Apply pipe thread sealant Apply anti-corrosive compound T orque: 140 in-lb to 150 in-lb T orque: 92 in-lb to 108 in-lb A B Power Block Assembly 003-2063 No. Qty . Part No.
Cobramatic ® Owner’ s Manual - page 20 Spindle Assembly 003-2146 No. Qty . Part No. Description 1 1 003-2139 Assy Bearing Spindle 2 3 330-3063 Scr Shldr Mod .25 x .63 10-24 3 3 331-0063 Wshr Flt .355 x .505 4 1 331-0095 Wshr Flt 1 1/32 x 3/4 sst 5 1 331-0313 Wshr Leather .
Cobramatic ® Owner’ s Manual - page 21 Gas Solenoid Assy 003-2137 No. Qty . Part No. Description 1 2 153-0853 Pin Crimp 2 1 153-0868 Conn single row 3P 3 2 185-0476 T erm 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 FE 5/8-18 to M 1/8 NPT 8 2.
Cobramatic ® Owner’ s Manual - page 22 .
Cobramatic ® Owner’ s Manual - page 23 071-0402 Cobramatic ® Block Diagram.
Cobramatic ® Owner’ s Manual - page 24 071-0400 Cobramatic ® Main PC Board.
Cobramatic ® Owner’ s Manual - page 25 071-0400 Cobramatic ® Main PC Board.
Cobramatic ® Owner’ s Manual - page 26 071-0367 Cobramatic ® Gun Connections and Front Panel Schematic.
Cobramatic ® Owner’ s Manual - page 27 Monitor Wire Feed Speed Use digital volt meter between: TB 1 – 1(GND) and TB1 – 2(MSPD). Measured value defined as: Reading x 100 = Wire Feed Speed.
Cobramatic ® Owner’ s Manual - page 28.
Cobramatic ® Owner’ s Manual - page 29 Torch Pot Output Some power supplies can utilize a variable DC voltage signal from the gun potentiometer adjustment as their external voltage control. Adjusting the potentiometer at the gun will give 0 to 10VDC output between TB1 – 1 (GND) and TB1 – 6 (POT).
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.
Cobramatic ® Owner’ s Manual - page 31.
Cobramatic ® Owner’ s Manual - page 32 Copyright © 2002 Lincoln Global Inc..
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Sales and Service through Subsidiaries and Distributors W orldwide Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 F AX: 216.486.1751 WEB SITE: www.lincolnelectric.com W orld’s Leader in W elding and Cutting Prodcuts ® Copyright © 2007 Lincoln Global Inc.
An important point after buying a device Lincoln International K2259-1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lincoln International K2259-1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lincoln International K2259-1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lincoln International K2259-1 you will learn all the available features of the product, as well as information on its operation. The information that you get Lincoln International K2259-1 will certainly help you make a decision on the purchase.
If you already are a holder of Lincoln International K2259-1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln International K2259-1.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln International K2259-1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln International K2259-1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
