Python® LX Lincoln Compatible
Contents
1. iG a fh 1 59 F diki fi W Clocked A ol Connecter iA e For Pin only Python LX Lincoln Compatible Owner s Manual 10 Section F Appendices Diagrams Parts List F DIOS VICW 12 BILO uu u u x Guns 13 Front BOdV ASSeM D Y eid Bele us 14 Rear Assembly Air Cooled 15 Rear Assembly Water 16 Barrel Assembly Air Cooled 17 Barrel Assembly Water Cooled 18 Cup Insulator and O Ring Maintenance 19 Lead Assembly Air Cooled 20 EOF WAC ku y IR DI 21 Lead Assembly Water Cooled 22 BIO MAA Arp 23 Spiral Wrap nstalla 24 Power Pin Adapter 27 Power Manifold Air Cooled 28 Power Manifold Water Cooled 29 T UT 30 Python LX Lincoln Compatible2. moles Cori pili du rupa 89 35 pera t Terra 8 RODE RATT eG SE TORE LTRS RA RIG F 27550 E 2 actua WWE MATS a Cra ALER cc He Mala ES SRI cH uu np Re ub jaiii AR Ai ya la a 5 UNDERSTAND THE MANUFACTURER S INSTRUCTION THIS EQUIPMENT AND THE CONSUMABLES USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL PARA EL USD DE ESTE EQUIPO LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET LES INSTRUCTIONS DU FABRICANT QUI REGARDE EQUIPMENT ET LES PRODUITS ETRE EMPLOVES SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEM SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN FLEKTRODENEINSAT DES HER STELLERS DIE UNFALLVERHUTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN Python LX Lincoln Compatible Owner s Manual Page 31 Keep phar mad oat ol fumes Use shannt ames
3. Lincoln Compatible PRODUCTS Owner s Manual Product Python LX Lincoln Manual 091 0624 My S Serial 10100001 Alu Voltage Rating 24 VDC x i Revision June 2011 Rev D Gun models 270 xxx 271 225 Ampere Air Cooled 450 Ampere Water Cooled Push Pull Welding Guns Table of Contents Sale Considerations daa ar i iii Fel GION PSE Section A Technical 5DE LEANOMNS van mn anemi illaki 1 Support Equipment 1 Coolant RecommendalionsS al lele 1 Gun Lead Connections 1 JOC O Ml MEME E UU UTE Section B 2 Controls SEUNS ee se in an comte 2 gla ele Aust merce 2 Drive Rol and Idler Rolls 3 PACCES SOMES I zu UD C SLM CE UC DCUM IE COE Section C THOT bs I S A 4 4 seen nada u aa a sota 4 Col il u ayuy __ 5 G GI T 5 Barrel Assemblies sa l di a e Do e 6 Section D una
4. Check potentiometer Broken electrical cable wires for continuity or short Wire feeds but welding wire is not energized Contactor control cable loose or in wrong position Wire feeds one speed only See specific cabinet Bad speed control control owner s manual for speed control operation di ara dado Place groove in idler roll Wire walks out of toward top drive rolls Rear wire guide missing Replace wire guide Python LX Lincoln Compatible Owner s Manual Page 9 Troubleshooting Guide Regardless of which gun or feeder used all MK Products push pull guns operate on the same principle The slave motor in the feeder runs at a fast constant speed but has very low torque It is always trying to feed more wire than the gun motor wants and when the motor gets all it wants it slows the slave motor preventing a bird s nest Because of the low torque produced by the slave motor a brake system is used to prevent wire overrun rather than tension The drag adjustment in the feeder is used simply to keep the wire slightly taut so it will not pull off the spool while feeding wire The high torque 24VDC gun motor is controlled by a solid state speed control located in the feeder and a pot located in the gun The gun motor potentiometer and micro switch are connected to the cabinet control box via a control cable and Amphenol connector If this cable becomes damaged a variety of symptoms
5. rewod fesv Ter 259000 09 0500 1690590 059000 6 2 68 0 5 7 er s 5 0290 519 55 0290 51 52029021951 0290519 29 1 51888 5 05620 255 559620 2951926520 25515 820 2951 esonfesv 1 er 6020 299 Assy ZL ww 111 58 0 400 2 ENS 8681 1827 91 9 esoH 6 9900 1 eA X 92 rL00 88 LSS X OHS 10 186 ZELO LE6 210 186 OLLO LE6 145 5 5 5 9 L v600 19c 600 995 00 GVEC E00 cSL c00 pajoosy 19 Ajquiassy pee Python LX Lincoln Compatible Owner s Manual 23 Python LX Lincoln Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033 0929 Gun End Air Cooled yaram S Power Cable Python LX Lincoln Compatible Owner s Manual Page 24 Python LX Lincoln Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033 0929 Gun End Water Cooled X WA Spiral Wrap p n 261 0094 13 Ring 431 1660 Python LX Lincoln Compatible Owner s Manual Page 25 Python LX Lincoln Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033 0929 Cabinet End Air and Water Cooled Spiral Wrap p n 261 0094 Python LX Lincoln Compatible Owner s Manual Page 26
6. FOR CONSUMERS OR DCONSUN USE MK PRODUCTS WARRANTIES DO NOT EXTEND AND RE SELLER 15 AUTHORIZED TO EXTEND MK PRODUCTS WARRANT ANY CONSUMER USE OF OTHER THAN GENUINE PRODUC CONSUMABLES PARTS AND ACCESSORIES MAY TMVALIDATE PRODUCT WARRANTY August 1 2010 MIL PRODUCTS www mkproducts com 16882 Armstrong Ave Irvine California 92606 TEL 949 863 1234 FAX 949 474 1428
7. 1 2 mm 1 16 1 6 mm 3 8 Diameter Flex Barrel Tip Recommended for Flex Barrel 030 0 8 mm 041 1 mm 1 0 25 4 mm 621 0480 25 035 0 9 mm 044 1 1 mm 1 0 25 4 mm 621 0481 25 045 1 1mm 053 1 37 mm 1 0 25 4 mm 621 0482 25 3 64 1 2 mm 060 1 5 mm 1 0 25 4 621 0483 25 Used with Flex Barrel cups 621 0465 and 621 0466 on Air Cooled models only Finned Copper Cups n Gas Cups 3 8 9 5mm 621 0248 1 2 12 7mm 821 0249 518 15 8mm 621 0250 Python LX Lincoln Compatible Owner s Manual Page 5 Heavy Duty Finned Cups ____ __ ____ ___ 5 8 15 8mm 621 0251 12 3 4 19 0mm 621 0252 Standard furnished with Air Cooled gun Air Cooled Cups for Python LXLincoln Compatible Water Cooled Gun 3 6 9 5mm 621 0170 1 2 127mm 821 0159 518 15 8mm 621 0160 To use air cooled gas cups you must use a cup retaining nut 449 0193 and a water cooled cup adapter 621 0101 Water Cooled Cups for Python LX Lincoln Compatible Water Cooled Standard furnished with gun Flex Barrel Gas Cups 8 1 2 12 7mm 621 0465 5 8 15 8mm 621 0466 Works with Air Cooled models only Gun Barrel Liners Part Number Description ________ Steel wire only 030 1 16 0 8 0 9mm Barrel Assemblies 225 Am
8. 18 Curved 45 Water Cooled Barrel Assembly 003 2321 12 Flex Air Cooled Barrel Assembly 003 2495 12 18 Flex Air Cooled Barrel 003 2495 18 24 Flex Air Cooled Barrel Assembly 003 2495 24 36 Flex Air Cooled Barrel Assembly 003 2495 36 Optional 300 Amp Water Cooled Barrel Assemblies Straight Water Cooled Barrel Assembly 300 Amps 003 2380 Curved 45 Water Cooled Barrel Assembly 300 Amps 003 2381 Curved 60 Water cooled Barrel Assembly 300 Amps 003 2382 Barrel Removal and Installation Note Turn off water circulator prior to loosening and removing barrels To remove the barrel assembly loosen the patented EZ Lock taper lock nut until it is clear of the threads Pull barrel out of the gun body To replace a barrel assembly push the barrel assembly into the gun body until it clicks to a stop To assure proper seating of the barrel open the drive idler roll door in the top of the handle The rear face of the barrel should now be flush with the gun body Take care not to damage the O rings when inserting into the body Tighten taper lock nut assembly firmly so that barrel cannot rotate Barrel Rotation To rotate a barrel assembly lo
9. Supper Equipment Required C V or C C power source of sufficient capacity for your needs e Regulated gas supply and hoses e Properly sized power leads from power source to wire feeder and ground e Water source and hose capable of providing a minimum of 1 quart 95 liter min at 45 p s i when using water cooled guns Coolant Recommendations Use Cobra Coolant Aluminum Protection P N 931 0060 Cobra Coolant does not contain reactive sulphur or chlorine and does not react with copper brass or aluminum The coolant flow rate should be a minimum of 15 GPH 1 qt min between 35 and 45psi Contact the re circulator manufacturer for specifications on pressure Gun Lead Connections Power Cable Air Cooled A 2 power cable is used on the Python LX Lincoln Compatible gun The gun and Power Pin ends of the cable are stripped to the copper strands and wrapped with a copper strip A setscrew holds the cable securely in the gun body and in the Power Manifold with torque requirements of 55 60 in Ib Power Cable Water Cooled Python LX Lincoln Compatible water cooled gun utilizes a power water cable with a Z6 AWG cable inside a 5 16 diameter hose When water is used with this cable and the 10 water cooled gas cup P N 621 0065 the system is rated at 450 amps 60 duty cycle The gun end is threaded into the gun body These connections utilize a conductive sealant and are tightened with torque requirements of 100 5 IN LB Con
10. Page 14 Python LX Lincoln Compatible Rear Body Assembly Air Cooled P N 003 2397 AN APPLY SILICONE LUBRICANT TO O RING BEFORE INSTALLING AN ITEM NOT SHOWN FOR CLARITY Cooled Rear Assembly 003 2199 Assy Gas Valve w Mod Valve Not available separately mewa Python LX Lincoln Compatible Owner s Manual Page 15 Python LX Lincoln Compatible Rear Body Assembly Water Cooled P N 003 2398 APPLY SILICONE LUBRICANT TO O RING BEFORE INSTALLING AN ITEM NOT SHOWN FOR CLARITY Rear Body Assembly Water Cooled 1 003 2199 303 0096 1 321 1104 2 411 0045 Tie Wrap not shown for clarity Python LX Lincoln Compatible Owner s Manual Page 16 Python LX Lincoln Compatible Barrel Assembly Air Cooled P N 003 2272 Td Le 4 7 gt Wm E woe E Ns gri E irum E uit Fr rl i F miri k i PK Pj li PN M EN e gl 2 3 1 003 2213 Python LX Lincoln Compatible Owner s Manual 17 Python LX Lincoln Compatible Barrel Assembly Water Cooled P N 003 2317 items 5 and 6 before installing Water Cooled 60 Barrel Assembly Qty Ooo Description _____ __ Netavalableseparately 8 3030010 O Ring489
11. Torch Lead Clocked Amphenol Connector Viewed from front of connactar Red Black White Green Blue Brown Yellow 9000000 lt For 7 Pin only Cabinet End Amphenol Connector Python LX Lincoln Compatible Owner s Manual Page 30 Du not 8 8 lhe 03 5 Keep flammable material 672 380 hacias with clothing E work a5 i xz 755 lot Mantenga sl 1 Prot sra Kek 0 05 105 adt v bajo 1a plal male del de trabajo PRECAUCION del trabaja y a French Me Me Geter 18 der vta Gardez amp l cart de towt rtt ile al r eor du Barra arman Sie kasa Homie g Sia Trapan Sin und Tello adir Harim parec hatl WARNUNG oder Kleldang 519 dich von daa god dem Urine Nip loge partes Mantsnha bem guarda Ute para vitid orrido wire
12. 7 Recommended LIS 8 Belege Section E Troubleshooting uu 10 Tes iNo 5101027155 E 10 ADDELIIGICOS dE LEE section F Diagrams T arts 50 11 C E da ol dai tele as 12 uu a ee ea 30 Safety Warnings Warranty Declaration of Conformity for European Community CE Products Note S This information is provided for units with CE certification see rating label on unit Manufacturer s Name K u cts 16882 Armstrong Ave Irvine CA 92606 Declares that the product Pyth LX L nco om pati b conforms to the following Directives and Standards Directives Low Voltage Directive 2006 95 EC Electromagnetic Compatibility EMC Directive 2004 108 EC Standards Electromagnetic Compatibility EMC EN 60974 10 2007 Torches And Guns For Arc Welding EN 60974 7 2005 SAFETY CONSIDERATIONS ELECTRIC ARC WELDING EQUIPMENT CAUTION READ BEFORE ATTEMPTING INSTALLATION OPERATION OR MAINTENANCE OF THIS EQUIPMENT 1 1 INTRODUCTION This equipment is intended for ultimate application by commercial industrial users and for operation by persons trained and experienced in the use and maintenance of welding equipment Operation should n
13. Keep valves closed replace caps securely mark MT keep them separate from FULLS and return promptly Prohibited use Never use a cylinder or its contents for other than its intended use NEVER as a support or roller Locate or secure cylinders so they cannot be knocked over Passageways and work areas Keep cylinders clear of areas where they may be stuck Transporting cylinders With a crane use a secure support such as a platform or cradle Do NOT lift cylinders off the ground by their valves or caps or by chains slings or magnets Do NOT expose cylinders to excessive heat sparks slag and flame etc that may cause rupture Do notallow contents to exceed 55 degrees C 130 degrees F Cool with water spray where such exposure exists Protect cylinders particularly valves from bumps falls falling objects and weather Replace caps securely when moving cylinders Stuck valve Do NOT use a hammer or wrench to open a cylinder valve that cannot be opened by hand Notify your supplier Mixing gases NEVER try to mix any gases in a cylinder NEVER refill any cylinder Cylinder fittings should never be modified or exchanged 3 Hose Prohibited use Never use hose other than that designed for the specified gas A general hose identification rule is red for fuel gas green for oxygen and black for inert gases Use ferrules or clamps designed for the hose not ordinary wire or other substitute as a b
14. Python LX Lincoln Compatible Power Pin Adapter Assembly P N 003 2346 APPLY SILICONE LUBRICANT TO O RINGS BEFORE INSTALLING gt ST Power Pin Adapter Assembly 002 0761 Assy Brazed Power Pin Adapter 303 0010 O Ring 2 014 489 ID x 07 W Python LX Lincoln Compatible Owner s Manual 27 Python LX Lincoln Compatible Power Manifold Assembly Push Fitting Air Cooled P N 003 2337 TIGHTEN WITH 6545 N LBS TORQUE APPLY HIGH STRENGTH THREAD SEALANT Air Cooled Power Manifold Assembly No Qty PartNo 7 321 1082 Set Screw Flat 1 4 20 x 3 8 SST 431 1905 Fitting 1 8 ID x 1 16 27 NPT 431 1936 Power Manifold AC Python LX Lincoln Compatible Owner s Manual Page 28 Python LX Lincoln Compatible Power Manifold Assembly Push Fitting Water Cooled P N 003 2345 APPLY HIGH STRENGTH THREAD SEALANT PL 2 TIGHTEN WITH 6525 IN LBS TORQUE 5 PL Water Cooled Power Manifold Assembly No Qty PartNo 7 C 431 1905 Fitting 1 8 ID x 1 16 27 NPT 431 1951 Power Manifold WC 751 0017 Plug Sealing 4MM x 4MM SST Python LX Lincoln Compatible Owner s Manual Page 29 Python LX Lincoln Compatible Electrical Schematic Connector Pinout IG T I b 2 90 OS OR O 81 o NII CN C S gt O o 81 21 2 ei 2 ch OF mH gt c 8 BM BN
15. 2 Eye and Head Protection Protect eyes from exposure to arc Eyes may be damaged by radiant energy when exposed to the electric arc even when not looking in the direction of the arc Never look at an electric arc without protection Welding helmet or shield containing a filter plate shade no 12 or denser must be used when welding Place over face before striking arc Protect filter plate with a clear cover plate Cracked or broken helmet or shield should NOT be worn radiation can be passed through to cause burns Cracked broken or loose filter plates must be replaced IMMEDIATELY Replace clear cover plate when broken pitted or spattered Flash goggles with side shields MUST be worn under the helmet to give some protection to the eyes should the helmet not be lowered over the face before an arc is struck Looking at an arc momentarily with unprotected eyes particularly a high intensity gas shielded arc can cause a retinal burn that may leave a permanent dark area in the field of vision 3 Protection of Nearby Personnel Enclose the welding area For production welding a separate room or enclosed bay is best In open areas surround the operation with low reflective noncombustible screens or panels Allow for free air circulation particularly at floor level Viewing the weld Provide face shields for all persons who will be looking directly at the weld Others working in area See that all persons are wearin
16. AT da 11683 4 His tozun 017095 nas ATENCAO KR 5 L T ee ee ee PMC PAL 4 Tt 1 ee EL I T L u LEE Su E m 1 A A EF ME 2 2 41284 i oe be a Nu Xx aa a 4 yi gau DAR emek LEIA E COMPREENDA AS INSTRUCOES FABRICANTE PARA ESTE E AS PARTES DE USO E SIGA AS PRATICAS DE DG EMPREGADOR DRAED FL TWO SOMA P kos POT OPI P ote t ERR L P a 25 La RAE 0 HEH SEE TOA See AA Seale umRIC HET Ap ET PET Python LX Lincoln Compatible Owner s Manual Page 32 LIMITED WARRANTY Effective August 1 2010 This warranty supersedes all previous MK Products warranties and 15 with no other quarantees or Warranties expressed or implied LIMITED WARRANTY MK Products inc Irvine California warrants that all new and unused equipmen furnished by MK Products is free from defects workmanstep and materia as of the ime and place of delivery by Produ
17. IDx 07W 1 1 1 621 0065 10 Assy 1 621 0393 Tip HD Spray 060 Python LX Lincoln Compatible Owner s Manual Page 18 303 0094 O Ring 301 ID x 07 W CUP INSULATOR AND O RING MAINTENANCE CAUTION Power off the coolant pump before disassembling water cooled barrels 1 Unscrew Retaining Nut and slide back on barrel 2 Using a firm pull and twist action the Water Cooled Gas Cup or Air Cooled Gas Cup Assembly can be removed from the Cup Insulator 3 Inspect the Cup Insulator and o rings included with Insulator for wear and proper lubrication It is considered good practice to replace all o rings at the same time 4 To remove the Cup Insulator it must be unscrewed and pulled from the barrel Use a rag or towel due to o ring lubrication and wrap it around the Cup Insulator Unscrew and pull when completed unthreaded from barrel Be sure the Insulator is fully unscrewed from the threads Pulling the Insulator over barrel threads will damage the threads on the Insulator Inspect o rings on barrel for wear and lubrication It is considered good practice to replace all O rings at the same time 5 To install the Cup Insulator it must be pushed all the way onto the barrel then screwed onto the threads If necessary place small amount of o ring lubricant on the inside diameter of the Cup Insulator this will help it slide onto the barrel Push the Insulator onto the barrel until it bottoms out screw
18. L u MM 005 0726 Trigger kit includes a sensitivity adjustment screw replacement for all Python LX Lincoln Compatible CobraMAX guns Barrel Insulator Replacement Kit 005 0696 Includes replacement barrel insulator and taper lock nut Conduits Flat spiral steel conduit for steel amp cored wire Simuna a a e a a N 615 0621 15 EET 615 0621 25 M a ad e la ___ _ 615 0621 35 50 118 ROT TT 615 0621 50 Optional nickel tube 431 2030 Snake Skins Snake Skin protective covers are now standard on all guns You may order spare replacement covers to protect the lead assy of the gun when the fac tory one becomes damaged or worn It can easily be replaced in the field by means of Velcro Snake Skin Cover 13ft for 15ft 931 0110 Snake Skin Cover 234 for 251 931 0122 Snake Skin Cover 33ft for 931 0132 Snake Skin Cover 481 for 50 931 0123 Gas Valve Removal Tool Gas valve removal is performed by using P N 931 0105 Gas Valve Removal Tool This multifunctional tool has been slotted on one side to encompass and conform t
19. Owner s Manual Page 11 Python LX Lincoln Compatible Head Assembly Air Cooled Water Cooled Ti Y NOILVTIVLSNI 19V44NS LOVLNOO OL GNNOdWOD SNIM2O 1 AlddV NOILVTIVLSNI ADVAYNS LOVLNOD OL XOTVON GNNOdWOD AlddV NOILV TIVLSNI JDVAYNS LOVLNOO ASVAYS GNNOdWOD Python LX Lincoln Compatible Owner s Manual Page 12 pue LL ejpueH XW 400q g L Jepinous 105 2681 18 21 080 zee 9 155 8 269 598 jS v 155 8 X Ot 28 lud H4 9S 920 618 z jeuondo peeds iH 0800 2 JOJO pJepuejs 9800 02 MOV 19 0970 900 LSS 8 9 X NUd 205 89206 ob 191 Assy 6290 200 1 1 ened Ajquiossy p l oo2 11y ajqiyedwioy X7 uou d v 1 N 26255 bun vo vo Python LX Lincoln Compatible Owner s Manual 13 Python LXLincoln Compatible Front Body Assembly P N 003 2271 Air Cooled P N 003 2108 Water Cooled Front Body Assembly No 1 2 Idler Adjusting Screw 8 1 4311598 1 511 0001 ldlerWire Feed Assembly Items 3 4 amp 9 available as package kit Part number 005 0686 Python LX Lincoln Compatible Owner s Manual
20. atment of flash burns of the eyes and skin burns Wear protective clothing leather or asbestos gauntlet gloves hat and high safety toe shoes Button shirt collar and pocket flaps and wear cuffless trousers to avoid entry of sparks and slag Avoid oily or greasy clothing A spark may ignite them Flammable hair preparations should not be used by persons intending to weld or cut Hot metal such as electrode stubs and work pieces should never be handled without gloves Ear plugs should be worn when working on overhead or in a confined space A hard hat should be worn when others work overhead B Toxic Fume Prevention WARNING The use of this product may result in exposure to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Adequate ventilation Severe discomfort illness or death can result from fumes vapors heat or oxygen enrichment or depletion that welding or cutting may produce Prevent them with adequate ventilation NEVER ventilate with oxygen Lead cadmium zinc mercury beryllium bearing and similar materials when welded or cut may produce harmful concentrations of toxic fumes Adequate local exhaust ventilation must be used or each person in the area as well as the operator must wear an air supplied respirator For beryllium both must be used Metals coated with or containing materials that emit toxic fumes should not be heated
21. can occur depending on which wire s break To test check each wire for continuity and shorts Remember the micro switch in the gun activates both the slave motor and gun motor circuits in the cabinet Therefore if the slave motor and brake solenoid operate but the gun does not look more toward the gun motor 5 24 V circuits speed control control cable or the gun motor If nothing operates look more toward the slave motor s input micro switch leads or micro switch Testing The Gun Reference the W clocked gun wiring diagram on the Cobra MX electrical diagram for information about pin outs and locations Motor Check Remove the gun connector from the cabinet Using the gun Amphenol connector check the resistance across pins and B motor leads If an open circuit more than ohms or short exist less than 2 ohms exists check the motor leads and motor independently Testing the Potentiometer W Clocked Using the gun amphenol connector check the resistance across pin D wiper and pin C The resistance should vary from 0 5K ohms as the potentiometer is turned Check the resistance across pin D wiper and pin The resistance should vary from 5K 0 ohms as the potentiometer is turned Testing the Micro Switch Using the gun amphenol connector check for continuity across pins E and F when the trigger is pressed 43
22. cts warranty by MK Products with respect to trad amp accessones or other items manufactured By others Suth ir de accessnaes and other beris sold subject to the marrari of their IF any MK Products Warranty does not apply 10 components having normal useful life of less than one 1 year such as relay points wire conduit tungsten welding gun parts that come in contact with the wading wire including gas cups gas Insulators and contact Gps where falura does result from defect in workmanship or material Products shall exclusively remedy the limited warranty ar any duties with respect the quality of goods based upon the following opbans 1 repair 2 replacement 3 where authorized writing MK Products the reasonable cost of repair or realacement at our Irvine California plant AS a matter of general policy andy MK Products may honor user s warranty claims warranbed equipment in the event of failure resulting defect within the following periods fom the date oF delivery of equipment to the orginal user 1 Power Supplies and Wire Feed Cabinets 3 years 2 Weldheads Coolers Positioners and Push Pull Guns 1 year 3 Spool Guns and Spool Gun Madules 180 days 4 Repalrs Exchanges Ports days 16882 Armstro
23. duit The Python LX Lincoln Compatible comes standard with a poly lined conduit for feeding aluminum wire The longer fitting with a shallow groove is used on the gun end A set screw located on top of the gun handle secures the conduit in place The cabinet end of the conduit is secured into the Power Pin connector with a set screw Gas Hose The BLACK gas hose is pushed over a barbed fitting on the end of the gun body and secured by twisting the hose retainer to the end of the hose shown next page The opposite end of the BLACK hose is pushed over a barbed fitting in the Power Pin The hose retainer is re usable and can be removed and re installed as needed Python LX Lincoln Compatible Owner s Manual Page 1 Section B Coolant Connections If so equipped the ends of the coolant hose push over a barbed fitting on the end of the gun body and are secured by twisting the hose retainer to the end of the hose The hose retainer is re usable and can be removed and re installed as needed The BLUE coolant supply hose pushes over a barbed fitting on the end of the gun body and is secured by twisting the hose retainer to the end of the hose The hose retainer is re usable and can be removed and re installed as needed The opposite end of the BLUE hose pushes into a threaded coolant fitting The RED coolant return hose pushes over the barbed fitting in the Power Manifold The opposite end of the RED hose pushes into a threaded return h
24. ensure supervisor s approval that adequate precautions have been taken After work is done check that area is free of sparks glowing embers and flames An empty container that held combustibles or that can produce flammable or toxic vapors when heated must never be welded on or cut unless container has first been cleaned in accordance with industry standards This includes a thorough steam or caustic cleaning or a solvent of water washing depending on the combustible s solubility followed by purging and inerting with nitrogen or carbon dioxide and using protective equipment Water filling just below working level may substitute for inerting A container with unknown contents should be cleaned see paragraph above Do NOT depend on sense of smell or sight to determine if it is safe to weld or cut Hollow castings or containers must be vented before welding or cutting They can explode Explosive atmospheres NEVER weld or cut where the air may contain flammable dust gas or liquid vapors such as gasoline D Compressed Gas Equipment The safe handling of compressed gas equipment is detailed in numerous industry publications The following Python LX Lincoln Compatible Owner s Manual Page i general rules cover many of the most common situations 1 Pressure Regulators Regulator relief valve is designed to protect only the regulator from overpressure it is not intended to protect any dow
25. g flash goggles Before starting to weld make sure that screen flaps or bay doors are closed B Toxic Fume Prevention Comply with precautions in 1 2B Generator engine exhaust must be vented to the outside air Carbon monoxide can kill C Fire and Explosion Prevention Comply with precautions in 1 2C Equipment s rated capacity Do not overload arc welding equipment It may overheat cables and cause a fire Loose cable connections may overheat or flash and cause afire Never strike an arc on a cylinder or other pressure vessel It creates a brittle area that can cause a violent rupture or lead to such a rupture later under rough handling D Compressed Gas Equipment Comply with precautions in 1 2D E Shock Prevention Exposed electrically hot conductors or other bare metal in the welding circuit or in ungrounded electrically HOT equipment can fatally shock a person whose body becomes a conductor DO NOT STAND SIT LIE LEAN ON OR TOUCH a wet surface when welding without suitable protection To protect against shock Keep body and clothing dry Never work in damp area without adequate insulation against electrical shock Stay on a dry duckboard or rubber mat when dampness or sweat cannot be avoided Sweat sea water or moisture between body and an electrically HOT part or grounded metal reduces the body surface electrical resistance enabling dangerous and possibly lethal currents to flow through
26. gas supply at source and drain gas G Rope Staging Support Rope staging support should not be used for welding or cutting operation rope may burn 1 3 ARC WELDING Comply with precautions in 1 1 1 2 and this section Arc Welding properly done is a safe process but a careless operator invites trouble The equipment carries high currents at significant voltages The arc is very bright and hot Sparks fly fumes rise ultraviolet and infrared energy radiates weldments are hot and compressed gases may be used The wise operator avoids unnecessary risks and protects himself and others from accidents A Burn Protection Comply with precautions in 1 2 The welding arc is intense and visibly bright Its radiation can damage eyes penetrate lightweight clothing reflect from light colored surfaces and burn the skin and eyes Skin burns resemble Python LX Lincoln Compatible Owner s Manual Page ii acute sunburn those from gas shielded arcs are more severe and painful DON T GET BURNED COMPLY WITH PRECAUTIONS 1 Protective Clothing Wear long sleeve clothing in addition to gloves hat and shoes As necessary use additional protective clothing such as leather jacket or sleeves flameproof apron and fire resistant leggings Avoid outer garments of untreated cotton Bare skin protection Wear dark substantial clothing Button collar to protect chest and neck and button pockets to prevent entry of sparks
27. gh cracks along pipes through windows or doors and through wall or floor openings out of sight of the goggled operator Sparks can fly many feet To prevent fires and explosion Keep equipment clean and operable free of oil grease and in electrical parts of metallic particles that can cause short circuits If combustibles are in area do NOT weld or cut Move the work if practicable to an area free of combustibles Avoid paint spray rooms dip tanks storage areas ventilators If the work cannot be moved move combustibles at least 35 feet away out of reach of sparks and heat or protect against ignition with suitable and snug fitting fire resistant covers or shields Walls touching combustibles on opposite sides should not be welded on or cut Walls ceilings and floor near work should be protected by heat resistant covers or shields Fire watcher must be standing by with suitable fire extinguishing equipment during and for some time after welding or cutting if 1 Appreciable combustibles including building construction are within 35 feet 2 Appreciable combustibles are further than 35 feet but can be ignited by sparks 3 Openings concealed or visible in floors or walls within 35 feet may expose combustibles to sparks 4 Combustibles adjacent to walls ceilings roofs or metal partitions can be ignited by radiant or conducted heat Hot work permit should be obtained before operation to
28. ighten adapter marked RIGHT and LEFT HAND threads Regulator outlet or hose connections may be identified by right hand threads for oxygen and left hand threads with grooved hex on nut or shank for fuel gas 5 Pressurizing Steps Drain regulator of residual gas through suitable vent before opening cylinder or manifold valve by turning adjusting screw in clockwise Draining prevents excessive compression heat at high pressure seat by allowing seat to open on pressurization Leave adjusting screw engaged slightly on single stage regulators Stand to side of regulator while opening cylinder valve Open cylinder valve slowly so that regulator pressure increases slowly When gauge is pressurized gauge reaches regulator maximum leave cylinder valve in following position for oxygen and inert gases open fully to seal stem against possible leak for fuel gas open to less than one turn to permit quick emergency shut off Use pressure charts available from your supplier for safe and efficient recommended pressure settings on regulators Check for leaks on first pressurization and regularly thereafter Brush with soap solution Bubbles indicate leaks Clean off soapy water after test dried soap is combustible E User Responsibilities Follow all Safety Rules Remove leaky or defective equipment from service immediately for repair Read and follow user manual instructions F Leaving Equipment Unattended Close
29. inding to connect hoses to fittings No copper tubing splices Use only standard brass fittings to splice hose Avoid long runs to prevent kinks and abuse Suspend hose off ground to keep it from being run over stepped on or otherwise damaged Coil excess hose to prevent kinks and tangles Protect hose from damage by sharp edges and by sparks slag and open flame Examine hose regularly for leaks wear and loose connections Immerse pressured hose in water bubbles indicate leaks Repair leaky or worn hose by cutting area out and splicing Do NOT use tape 4 Proper Connections Clean cylinder valve outlet of impurities that may clog orifices and damage seats before connecting regulator Except for hydrogen crack valve momentarily pointing outlet away from people and sources of ignition Wipe with a clean lintless cloth Match regulator to cylinder Before connecting check that the regulator label and cylinder marking agree and that the regulator inlet and cylinder outlet match NEVER Connect a regulator designed for a particular gas or gases to a oylinder containing any other gas Tighten connections When assembling threaded connections clean and smooth seats where necessary Tighten connection leaks disassemble clean and retighten using properly fitting wrench Adapters Use a CGA adapter available from your supplier between cylinder and regulator if one is required Use two wrenches to t
30. irum breathing zone L k Fa rara 4 t fuera d dox Mamor Utilice ventlinci n 3 para pacer 8 Garde 84 3 amat tz imur Tan nr 485 Tu rrr NE zum dn travail Vermimiden 3 dag 5 von e 20268 Sle or perte Be of defer servicing Decconmectar nl cala de ali mania de ia m quina antes s Inickar coskgeles cardio in pran Sirom vor aze Ren Metrrrpm vill mahaitan Oo nit operate with panel upan quand olf com panel ablato guardas pis qvac ey pooner Ouvert Die die niens nin ohne mera mre 58 AVISO DE PRECAUCION Fri ATTENTION 180 coor Lumas cor porter Deity corre antes oe karar murean EE Coen pale aris 09 mused d Lae ariana para T
31. ng Ave Irvine CA 92606 Tel 949 863 1234 Fax 949 474 1428 P RODU CTS www mkproducts com Classification of Item into Ene foregoing categories shall be at sole discretion of MK Products Notification of any failure must b im wring within 30 days of such faliure A copy of rne invoice showing me date of sale must accompany prod returned for warranty or replacement All equipment returned to Products service mus ba prog packaged to guard again damage from shipping Products nat responsible for any damages resulting from shipping Narmal surface transportation charges way for products tetun for warranty repair or replacement will be borme by MK Products exc for products sald to foreign markets EXPRESS WARRANTY NOT PROVIDED HEREIM AND ANY IMPL WARRANTY GUARANTY OR REPRESENTATION 5 PERFORMAN AND ANT REMEDY FOR BREACH DF CONTRACT WHICH BUT FOR TI PROVISION MIGHT ARISE BY IMPLICATION OPERATION OF L CUSTOMOF TRADE OR COURSE OF DEALING INCLUDING ANY WARRANTY OF MERCHANTABILITY OR OF FITNESS F R PARTICUL PURPOSE WITH RESPECT ANY AND ALL EQUIPMENT FURNISH BY Mk PRODUCTS ISEXCLUDED AND DISCLATMED BY Mk PRODUC EXCEPT AS EXPRESSLY PROVIDED BY Mk PRODUCTS IN WRITII PRODUCTS ARE INTENDED FOR ULTIMATE PURCHASE BY CC MERCIALAINDUSTRIAL USERS AND FOR OPERATION BY PER TRAINED AND EXPERIENCED THE USE AND MAINTENANCE WELDING EQUIPMENT AND
32. nstream equipment Provide such protection with one or more relief devices Never connect a regulator to a cylinder containing gas other than that for which the regulator was designed Remove faulty regulator from service immediately for repair first close cylinder valve The following symptoms indicate a faulty regulator Leaks if gas leaks externally Excessive Creep if delivery pressure continues to rise with downstream valve closed Faulty Gauge if gauge pointer does not move off stop pin when pressurized nor returns to stop pin after pressure release Repair Do NOT attempt repair Send faulty regulators for repair to manufacturer s designated repair center where special techniques and tools are used by trained personnel 2 Cylinders Cylinders must be handled carefully to prevent leaks and damage to their walls valves or safety devices Avoid electrical circuit contact with cylinders including third rails electrical wires or welding circuits They can produced short circuit arcs that may lead to a serious accident See 1 3C ICC or DOT marking must be on each cylinder It is an assurance of safety when the cylinder is properly handled Identifying gas content Use only cylinders with name of gas marked on them do not rely on color to identify gas content Notify supplier if unmarked NEVER DEFACE or alter name number or other markings on a cylinder t is illegal and hazardous Empties
33. nual Page 3 Section C Accessories Optional Kits Insulated Drive Roll Kits are used to prevent preheating of the aluminum wire which may soften it and clog the liner This picking up of current at the drive rolls rather than at the contact tip is usually not a problem unless using too large of a contact tip or excessively oxidized aluminum wire Insulated Grooved Drive Roll Kit 005 0715 For 030 0 8mm dia aluminum wire Includes insulated groove drive roll and insulated idler roll assy Insulated Grooved Drive Roll Kit 005 0716 For 035 0 9mm dia aluminum wire Includes insulated groove drive roll and insulated idler roll assy Insulated Grooved Drive Roll Kit 005 0717 For 040 1 0mm dia aluminum wire Includes insulated groove drive roll and insulated idler roll assy Insulated Grooved Drive Roll Kit 005 0718 For 3 64 1 2mm dia aluminum wire Includes insulated groove drive roll and insulated idler roll assy Insulated Grooved Drive Roll Kit 005 0719 For 062 1 6mm dia aluminum wire Includes insulated groove drive roll and insulated idler roll assy Handle 005 0750 BLACK Includes left and right handles screws and drive roll door Trigger KIL
34. o the gas valve stem and seat into the slotted gas valve body as seen in Figures 1 and 2 Removal of the gas valve can be accomplished by turning the gas valve tool counter clockwise Reinstall by turning clock wise The tool doubles as a bottle opener Python LX Lincoln Compatible Owner s Manual Page 4 Gas Valve Removal Tool Figure 1 Figure 2 Contact Tips To remove contact tip when using full water cooled gas cup P N 621 0065 contact tip removal tool P N 931 0044 must be used Heavy Duty Contact Tip 3 8 Diameter 030 0 8mm 041 1 0mm Spray 1 57 39 9mm 621 0390 25 Short 1 82 46 2mm 621 0396 25 035 0 9mm 044 1 1mm Spray 1 57 39 9mm 621 0391 25 621 0391 2501 21 0391 500 035 0 9mm 044 1 1mm 1 82 46 2mm 621 0397 25 045 1 1mm 053 1 35mm Short 1 82 46 2mm 621 0398 25 3 64 1 2mm 053 1 35mm Spray 1 57 39 9mm 621 0392 25 M 621 0392 2501 621 0392 500 3 64 1 2mm 060 1 5mm Spray 1 57 39 9mm 621 0393 25 621 0393 2501 621 0393 500 1 16 1 6mm 074 1 9mm Spray 1 57 39 9mm 621 0394 25 085 2 16mm Spray 621 0395 25 Use of tip removal tool is recommended t Also sold in quantities of 250 This size tip furnished with gun tt Also sold in quantities of 500 Spring Loaded Contact Tip 3 8 Diameter Arc Tip Length Qty Part Number 030 0 8 mm 035 0 9 mm 3 64
35. onto barrel threads The Insulator MUST be all the way onto the barrel to avoid assure proper coolant passage and from blocking the gas outlet orifices 6 Push Water Cooled Gas Cup or Chrome Nut Cup Adapter and Gas Cup Assembly onto Cup Insulator Slide Retaining Nut forward and tighten Insulator Barrel Correct Installation Incorrect Installation Python LX Lincoln Compatible Owner s Manual Page 19 Python LX Lincoln Compatible Lead Assembly Air Cooled ARGS BOM HHE ON ST SOON IMO ONDOJWOD Ay TZ 31 S8TNI ALIM 5 J QNO 53H28 NOV TE ISOH ONO COD Aldaw S SEARO Jandqaconsd 335 xr 2 INOIOL 591 14 SZ HIM SITNI 65 H31H IL 91 1934 6 188 Python LX Lincoln Compatible Owner s Manual Page 20 L ES00 LOZ 1eddoo sepnj oui 9 48 19M0d p p u se pue aq ULI pue e qesn a4 SI 5 Z690 S00 Orzo soo 1690 500 069000 aided 45 6 9 0 ssv Lb 09 90 8781 8170 78 5 51 0 si suzo cre euondo 5 83 noq enn 05 0790 8 56 0790 8 52 0790 98 S 0
36. ose of the coolant recirculator Both threaded fittings on the end of the BLUE and RED hoses are standard left hand thread MK Products compatible guns have interchangeable fittings 50 you can match as needed for your cooler Both types of fittings require a hose retainer 431 1898 431 1910 431 1893 753 3379 5 16 Hose Retainer Quick Connect Fitting Nipple Left Hand Threaded Fitting Must be ordered together Control Cable A multi conductor control cable is used on the Python LX Lincoln Compatible The gun end of the cable is secured with a cable clamp and the wires are connected to the potentiometer the micro switch the motor and the gun body mechanically Slack is left in the electric cable as it exits the back of the gun to prevent cable and or wire breakage The cabinet end has a seven pin W clocked amphenol connector Operation General The Python LX Lincoln Compatible gun maintains a constant steady uniform wire feed speed regardless of curved or looped wire conduit The constant push exerted by the slave motor in the cabinet combined with the pull of the gun motor causes the wire to literally float friction free through the wire conduit The 24VDC gun motor is controlled by a three and three quarter 3 3 4 turn potentiometer in the gun handle Controls and Settings Potentiometer The laterally positioned potentiometer is located in Trigger Sensitivity Adjustment the lower end of the handle providing up to 800 ipm Scre
37. osen the patented EZ Lock taper lock nut assembly no more than 1 turn Rotate barrel to the position of your choice and retighten taper lock nut assembly firmly so that the barrel cannot rotate WARNING Do not attempt to weld without the barrel being tightly secured in the gun body or damage to the barrel or body may result Maintenance Periodic Maintenance Your Cobramatic system is designed to provide years of reliable service Maintenance of the gun will normally consist of a general cleaning of the wire guide system including barrels drive rolls and conduits at regular intervals Remove spatter build up from inside of nozzles with a hardwood stick The only parts on the Cobramatic system that are subject to normal wear are the conduit contact tips gas cups front body liners wire guides drive and idler rolls A supply of these parts should be maintained on hand The number of units in operation and the importance of minimal down time will determine to what extent spare parts should be stocked on hand See the recommended spare parts list for the most commonly replaced parts If repairs do become necessary qualified shop maintenance personnel can easily replace any part Maintenance Tools Contact Tip Removal Tool 931 0044 Drive Roll Removal Tool 931 0100 Python LX Lincoln Compatible Owner s Manual Page 7 Recommended Spare Parts List 615 0620 15 Conduit 15 ft 615 0620 25 Conduit 25 ft 615 0620 35 Cond
38. ot be undertaken without adequate training in the use of such equipment Training is available from many public and private schools or similar facilities Safe practices in the installation operation and maintenance of this equipment requires proper training in the art a careful study of the information provided with the equipment and the use of common sense Rules for safe use are generally provided by suppliers of welding power sources compressed gas suppliers and electrode suppliers Careful compliance with these rules will promote safe use of this equipment The following Safety Rules cover some of the more generally found situations READ THEM CAREFULLY case of any doubt obtain qualified help before proceeding 1 2 GENERAL PRECAUTIONS A Burn Prevention ELECTRICARC WELDING PRODUCES HIGH INTENSITY HEAT AND ULTRAVIOLET RADIANT ENERGY WHICH MAY CAUSE SERIOUS AND PERMANENT EYE DAMAGE AND WHICH MAY DAMAGE ANY EXPOSED SKIN AREAS Wear helmet with safety goggles or glasses with side shields underneath appropriate filter lenses or plates protected by clear cover glass This is a must for welding or cutting and chipping to protect the eyes from radiant energy and flying metal Replace cover glass when broken pitted or spattered Medical first aid and eye treatment First aid facilities and a qualified first aid person should be available for each shift unless medical facilities are close by for immediate tre
39. ower source Python LX Lincoln Compatible Owner s Manual Page iii For Selecting a quality product We want you to take 14147 pride in operating this product as much pride as we have in bringing the product to you Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment is received Please record your equipment identification information below for future reference This information can be found on your machine nameplate Model Name amp Number Code amp Serial Number Date of Purchase Whenever you request replacements parts for or information on this equipment always supply the information you have recorded above Read this Owner s Manual completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided far your protection Section A CC Installation Technical Specifications Wire Capacity 030 045 0 8mm 1 2mm solid hard wire and cored wire 030 1 16 0 8mm 1 6mm aluminum Wire Speed 800 IPM 20 3 mpm max Duty Cycle 60 All ratings are using Argon gas 225 Amps 25 Volts Air Cooled 450 Amps 25 Volts Water Cooled
40. ps 450 Amps 225 Amp Air Cooled 60 Water Cooled 60 P N 003 2272 P N 003 2317 Ja p A pene 45 Standard on AC Standard on WC 7527 Optional on AC a f Limes 300 Amps 200Amp Water Cooled Air Cooled Only P N 003 2495 12 P N 003 2380 Optional on Optional on WC Air Cooled The Python LX Lincoln Compatible air cooled guns 270 series come standard with a 60 curved barrel The barrel assembly locks to the Python LX Lincoln Compatible body using the patented EZ Lock system Water Cooled The Python LX Lincoln Compatible water cooled guns 271 series come standard with a 60 curved water cooled barrel assembly Optional 12 and 18 Straight and Curved Barrel Assemblies 12 Straight Air Cooled Barrel Assembly 003 2332 12 Curved 45 Air Cooled Barrel 003 2333 12 Straight Water Cooled Barrel Assembly 003 2318 12 Curved 45 Water Cooled Barrel Assembly 003 2319 18 Straight Air Cooled Barrel Assembly 003 2334 18 Curved 45 Air Cooled Barrel Assembly 003 2335 18 Straight Water Cooled Barrel Assembly 003 2320 Python LX Lincoln Compatible Owner s Manual Page 6 Section D
41. r90 r9 91 eigen ssv 108 090 919 55 0 90 99 52 0290 519 SL 0Z90 S19_ san jel Mnpuo9 8 0 900 Tor 8681 Ler 91 9 9 19 9 1 esoH EXE Sv007 Liv 00 866 e L v600 19c 600 196 9 5 00 2566 500 00 pajoo4y sly Ajquiassy pea Python LX Lincoln Compatible Owner s Manual Page 21 Python LX Lincoln Compatible Lead Assembly Water Cooled JOM d P qm Wall MISALE OU 91 8 ET aec Coa Cd aam MS RSE 314 YANI VL 411 SVR XCITVON IRD Maw SE w Ci SGU ONLY NON ONLUR 35 032084 335 59713 SZ HIM 1 8 O0L HIM N31HOII 338 ONE 5 Wall Ol 3n6301 SITNI 5 001 438 3183 Python LX Lincoln Compatible Owner s Manual 22 p p u se pajjejsul a4 pue 40 6 aq ued pue ajgesn ai SI 9SOH 05 8860 500 5988607500 92 99 0 000191 89 0 000
42. sed to join welding cable lengths 3 Cables Frequently inspect cables for wear cracks and damage IMMEDIATELY REPLACE those with excessively worn or damaged insulation to avoid possibly lethal shock from bared cable Cables with damaged areas may be taped to give resistance equivalent to original cable Keep cable dry free of oil and grease and protected from hot metal and sparks 4 Terminals and Other Exposed Parts Terminals and other exposed parts of electrical units should have insulating covers secured before operation 5 Electrode Wire Electrode wire becomes electrically HOT when the power switch of gas metal arc welding equipment is ON and welding gun trigger is pressed Keep hands and body clear of wire and other HOT parts 6 Safety Devices Safety devices such as interlocks and circuit breakers should not be disconnected or shunted out Before installation inspection or service of equipment shut OFF all power and remove line fuses or lock or red tag switches to prevent accidental turning ON of power Disconnect all cables from welding power source and pull all 115 volts line cord plugs Do not open power circuit or change polarity while welding If in an emergency it must be disconnected guard against shock burns or flash from switch arcing Leaving equipment unattended Always shut OFF and disconnect all power to equipment Power disconnect switch must be available near the welding p
43. the body 1 Grounding the Equipment When installing connect the frames of each unit such as welding power source control work table and water circulator to the building ground Conductors must be adequate to carry ground currents safely Equipment made electrically HOT by stray currents may shock possibly fatally Do NOT GROUND to electrical conduit or to a pipe carrying ANY gas or a flammable liquid such as oil or fuel Three phase connection Check phase requirement of equipment before installing If only three phase power is available connect single phase equipment to only two wires of the three phase line Do NOT connect the equipment ground lead to the third live wire or the equipment will become electrically HOT a dangerous condition that can shock possibly fatally Before welding check ground for continuity sure conductors are touching bare metal of equipment frames at connections Ifa line cord with a ground lead is provided with the equipment for connection to a switch box connect the ground lead to the grounded switch box If a three prong plug is added for connection to a grounded mating receptacle the ground lead must be connected to the ground prong only If the line cord comes with a three prong plug connect to a grounded mating receptacle Never remove the ground prong from a plug or use a plug with a broken ground prong 2 Connectors Fully insulated lock type connectors should be u
44. uit 35 ft DRIVE ROLL REMOVAL TOOL 931 0100 IDLER ROLL 005 0686 KNURLED DRIVE ROLL 511 0101 MICRO SWITCH ASSY 003 2274 CONTACT TIP REMOVER TOOL SHOWN WITH TIP 931 0044 Python LX Lincoln Compatible Owner s Manual Page 8 Section E Troubleshooting Trouble Cause Remedy Input power fuse in No wire feed at feeder control box blown P gun a not Micro switch defective not Replace switch Check operating no being activated switch for operation slave motor or brake solenoid Broken electrical cable eee for continuity Motor control fuse in Check motor leads for feeder control box blown shorts then replace fuse Bad potentiometer Check potentiometer with meter Check motor and Broken electrical cable potentiometer wires for continuity No wire feed at gun feeder operating properly See specific cabinet control box owner s Bad speed control PCB manual for speed control operation Loose or no cable Check all power connections connections Check power supply owner s manual for location and type of contactor signal required closing or 115VAC Welding power source Check power source Dirty or worn conduit conduit Wire feeds Wrong size contact tip See contact tip table erratically Check for lock washer Idler roll stuck under idler roll or replace if damaged Bad potentiometer Check with meter
45. unless coating is removed form the work surface the area is well ventilated or the operator wears an air supplied respirator Work in a confined space only while it is being ventilated and if necessary while wearing an air supplied respirator Gas leaks in a confined space should be avoided Leaked gas in large quantities can change oxygen concentration dangerously Do not bring gas cylinders into a confined space Leaving confined space shut OFF gas supply at source to prevent possible accumulation of gases in the space if downstream valves have been accidentally opened or left open Check to be sure that the space is safe before reentering it Vapors from chlorinated solvents can be decomposed by the heat of the arc or flame to form PHOSGENE a highly toxic gas and other lung and eye irritating products The ultraviolet radiant energy of the arc can also decompose trichloroethylene and perchloroethylene vapors to form phosgene DO NOT WELD or cut where solvent vapors can be drawn into the welding or cutting atmosphere or where the radiant energy can penetrate to atmospheres containing even minute amounts oftrichloroethylene or perchloroethylene C Fire and Explosion Prevention Causes of fire and explosion are combustibles reached by the arc flame flying sparks hot slag or heated material misuse of compressed gases and cylinders and short circuits BE AWARE THAT flying sparks or falling slag can pass throu
46. w Location with 3 3 4 turns Micro Switch The micro switch assembly consists of the micro switch and leads Trigger Sensitivity The amount of trigger lever travel can be shortened for a quicker or more responsive action A more sensitive trigger lever is produced by reducing the gap between the trigger lever and the micro switch lever By turning in the trigger sensitivity adjustment screw it closed the gap between the trigger lever and the micro switch lever Screw adjusted out of trigger pre setting the micro switch This will enable the operator to increase the lever for shorter motion sensitivity of the trigger lever sensitivity Python LX Lincoln Compatible Owner s Manual Page 2 Sensitivity Adjustment With the wire feeder turned on with or without welding wire loaded turn the screw in until the micro switch is activated Once activated the torch and wire feeder motors will begin feeding wire Retract the screw accordingly until the system is deactivated and adjusted to the operators liking Drive Roll and Idler Rolls General The Python LX Lincoln Compatible gun comes standard with a knurled drive roll and a grooved idler roll which will handle both hard wire and aluminum wire with diameters from 030 1 16 inch Optional insulated V groove drive rolls are also available for aluminum wire if desired see optional kits Drive roll tension is accomplished with a unique spring loaded pressure screw The P
47. ython LX Lincoln Compatible comes from the factory with the pressure adjustment screw preset NO ADJUSTMENT IS REQUIRED FOR ALL SIZES AND TYPES OF WIRES Drive Roll Installation Removal Note Neither of the handles needs to be removed to access the drive or idler rolls Cam Lever 1 Pull the cam lever away from the idler roll This will relieve the pressure against the drive roll as shown in Figure 1 2 Align the drive roll removal tool P N 931 0100 over the flats of the drive roll as shown in Figure 2 Hold the gun with one hand or ona table top with the other hand give the removal tool a quick snap turn in the CLOCKWISE DIRECTION Figure 2 3 Once the drive roll is loose continue to spin drive roll in the clockwise direction to remove the drive roll from the gun 4 Install a new drive roll on the left hand threaded shaft The drive roll will self tighten when it is feeding wire Idler Roll Installation and Removal Reference Figure 3 1 Using a slot type screwdriver loosen idler screw taking care not to lose lock washer under idler roll 2 Insert new idler roll and lock washer onto screw insuring that idler groove is toward top and lock washer is beneath 3 Tighten dier Roll M Towards Lock Washa beller Anm Spring Figure 3 NOTE Lock washer must be under idler roll or it will not turn freely Python LX Lincoln Compatible Owner s Ma
Download Pdf Manuals
Related Search