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Lincoln Electric Expressweld MasterMIG 250CT, Руководство пользователя

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Expressweld  MasterMIG  250CT

Setting Braking Torque of Welding Wire Reel Connecting Shaft

Type and Selection of Wire Drive Reels

Wire drive system is equipped with “V” type reels set for Ø 0.8 and 1.0 mm welding wire.

Make sure that the diameter of installed reel is suitable for the diameter of welding wire 
being used.

There is a mark on the side surface of reels indicating the profile of wire drive groove 
suitable for the wire diameter to be used. This mark is not seen after the installation.

For steel and stainless steel welding wires “V” type reels should be used.

For aluminium wires “U” type reels should be used.

For flux cored “Notched-V” type reels should be used.

Changing Wire Drive Reels

To change the reels:

Release the press force setting of feeder reels.

Remove the reel desired to be changed.

Install the new reel making sure that it fits into its place.

Fix pressure force setting again.

-     To prevent welding wire to discharge from the reel, fastener that holds the reel is 

equipped with a braking system.

-     Braking setting is performed with a spring located in the fastener.

-     When springs tightened to the left, braking torque increases, when tightened to the 

right, braking torque decreases.

Содержание Expressweld MasterMIG 250CT

Страница 1: ...ASKAYNAK gas metal arc welding wire for obtaining high performance from MasterMIG 250CT www askaynak com tr Expressweld Model MasterMIG 250CT Gas Metal Arc Welding Machine USER MANUAL GMAW MIG MAG Wel...

Страница 2: ...entspricht est conform aux directives suivantes 2004 108 EC 2006 95 EC ve yine a a da belirtilen normlara uygun olarak tasarland n beyan eder and has been designed in compliance with the following sta...

Страница 3: ...on 15 Unpacking 16 Expirty of Machine s Physical Life 17 Maintenance and Repair 18 Troubleshooting Guide 19 Failures in Welding Seams 20 Spare Part List 21 Electrical Circuit Diagram 1 12 14 16 17 18...

Страница 4: ...Expressweld is the registered trademark of Kaynak Tekni i Sanayi ve Ticaret A Expressweld MasterMIG 250CT...

Страница 5: ...MasterMIG is the registered trademark of Kaynak Tekni i Sanayi ve Ticaret A Expressweld MasterMIG 250CT...

Страница 6: ...storage conditions and operation procedures Be sure to read and understand the user guide before operating the machine Failure to follow the instructions stated in the user guide may cause serious in...

Страница 7: ...tches gloves made from flame resistant materials such as leather must be used In addition to provide some insulation against electric shock care should be taken that the gloves made from flame resista...

Страница 8: ...connected to the machine Insulate yourself against electrode grounding connection or work piece Immediately after plugging out the power cable do not touch metal ends of power cable there may be elec...

Страница 9: ...welding Skin should be protected by clothing made from flame resistance material Protect other nearby personnel with suitable non flammable screening and or warn them not to watch welding arc nor exp...

Страница 10: ...d gases that are injurious to health Always enough ventilation should be used or fumes and gases should be exhausted from breathing place Generally in welding applications temporary effects for short...

Страница 11: ...ay fire hazards from welding area and have a fire extinguisher readily available Remember that welding sparks and hot materials from welding operation can easily go through small cracks and openings t...

Страница 12: ...you are welding within ten meters to the place where flammable materials located have a observor near you This observer should watch where the sparks and splashes go and should access easily to the fi...

Страница 13: ...valve outlet when opening the Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use including the transportation of the cylinder CYLIN...

Страница 14: ...the new ones To prevent the risk for every kind of arc glare and fire never leave the electrode holder on welding desk or any surface in contact with work clamp High amounts of heat may be produced fr...

Страница 15: ...empt to repair Perform same checks for the cables since the cost will be high to replace cables repair by using tubw with high insulation or similar Always check the insulations before every time you...

Страница 16: ...use uninsulated welding cables route cables through insulated plastic channels if available Expressweld MasterMIG 250CT welder has been designed and manufactured in compliance with safety rules requi...

Страница 17: ...strial fields In case of using in living spaces to eliminate potential effects of electromagnetic waves it is necessary to use specific precautions User should certainly install and operate the machin...

Страница 18: ...ween the cables and pay attention that the cables are not on the grounded surfaces 3 Work cable should be connected to the piece being welded as close as possible 4 While welding operation keep the po...

Страница 19: ...rating Various welders or other electrical devices should be connected in series if they are using the same grounding line all machines or devices should be connected in parallel to each other Cross s...

Страница 20: ...revents ventilation or stops airflow Do not cover the machine while operating with paper cloth or similar objects While welding make sure that the cover of the wire drive unit is closed Dust and dirt...

Страница 21: ...hat facilitates arc creating It has been equipped with thermal protection circuit against overheating load It is air cooled It is safe and user friendly It protection class is IP21S It has been design...

Страница 22: ...tion Supply cable Fuse value and type Ambient operating temperature Weight excl cables Dimensions Width x Height x Depth Wire Feeder System Wire drive speed un range n Wire diameters Steel wire V type...

Страница 23: ...g switch welding voltage coarse setting switch torch connector EURO socket Wire feed speed setting button rear wheel handle work cable connector thermal protection indicator Power indicator During wel...

Страница 24: ...mains inlet energy cable Shielding gas cylinder fixing slot technical specifications for the metal plate platform for placing shielding gas cylinder shielding gas heater connector 24V rear wheel exter...

Страница 25: ...CT Cover providing easy access to internal panel Wire feeder reel press forced setting spindle Wire drive engine Welding wire reel connecting shaft and braking torque setting Wire drive reels 2 unit W...

Страница 26: ...250CT Shielding gas hose mains inlet energy cable Welding torch cable Work cable Work piece TORCH SHIELDING GAS CYLINDER GAS REGULATOR Place and secure the shielding gas cylinder to the platform CARBO...

Страница 27: ...d be grounded Before connecting the machine to mains make sure that the machine is off Never perform a mains supply connection and start the machine until there is a good protective ground connection...

Страница 28: ...erly set the press force of reels If the press force is too low wire slips on reels if the press force is too high reels crushes the wire or wire jams in Press force increases when driver reel press f...

Страница 29: ...ion For steel and stainless steel welding wires V type reels should be used For aluminium wires U type reels should be used For flux cored Notched V type reels should be used Changing Wire Drive Reels...

Страница 30: ...he work cable holder to the clean surface of the workpiece to be worked on Make sure that the contact between them is as good as possible Start the machine by turning the On Off Switch located in the...

Страница 31: ...sconnected and qualified electric technician or Authorized Technical Service should be contacted immediately When current circuit is locked or electric voltage is determined on the body procedure indi...

Страница 32: ...lues that are suitable for the used welding wire diameter should be used and current values higher than adequate should be avoided Welding machine should be stored at confined rooms having temperature...

Страница 33: ...not purchase the machines without packaging To unpack the machine cut the strap connected to the pallet and lift up the box Do not dispose of the box and keep it for future transporting and storing W...

Страница 34: ...ce over pressure decrease the press force setting as appropriate If wire drive reels are worn or damaged you cannot achieve a smooth wire feed Frequently check the reels and if there is any wear repla...

Страница 35: ...ions or contact with authorized service Check if the current cable is damaged If it is damaged insulate the damaged part by wrapping with a suitable material or change the cable with the new one By us...

Страница 36: ...re is problem in wire feeder unit engine doesn t operate When pressed on torch trigger wire doesn t Control board PC board is faulty Contact with technical service There is open circuit voltage and ga...

Страница 37: ...ghten the connections Replace the hose if necessary Gas hose is crushed or blocked Check the gas connection hose Gas solenoid is faulty Clean the electronic valve or replace with the new one Wire is c...

Страница 38: ...rs etc When welding with C02 gas to prevent clogging of the regulator due to freezing use heater or connect several gas cylinders to each other Decrease the advancing speed Decrease the distance betwe...

Страница 39: ...am Enhance access to root of seam Route the welding wire to the front of weld puddle Adjust torch angle at corner welding 5 To enable access to seam soul adjust combination angle properly To fuse seam...

Страница 40: ...current increase by increasing the inductance in welding machine 2 Decrease the arc voltage or immerse the arc by increasing the wire feeding speed so limit the splashing 3 By increasing the current e...

Страница 41: ...Expressweld MasterMIG 250CT 20 Spare Parts List Power Unit and Wire Feeder System Page 36...

Страница 42: ...20012 821105020061 821101030768 8220789009 8220506008 8220506022 821101050116 8220129006 8220757817 8220755006 821102020323 8220752020 8220752028 8220757757 8220757756 8220752019 8220430103 8212070100...

Страница 43: ...46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 821208020140 8220757127 8220710043 8222008050 8220711009 8220780578 8220505081 8220757134 8220780213 8220728209 8220728211 8220131062...

Страница 44: ...Teti i Control Circuit Connection Diagram Tel S rme Kart 821105020012 Ak m Ayar G Ledi Is t c Warning EXPRESSWELD MasterMIG 250CT Right Left Up Down Up Down Up Down Capacitor Card Ground Power LED Hea...

Страница 45: ...and Powered by ASKAYNAK 3 50 Hz 3 S Kaynak Tekni i Sanayi ve Ticaret A TOSB Taysad Organize Sanayi B lgesi 2 Cadde No 5 ekerp nar 41480 ay rova KOCAEL EXPRESSWELD 60 180 A 23 V Page 40 BEFORE STARTING...

Страница 46: ...skaynak com tr Kaynak Teknigi Sanayi ve Ticaret A S TOSB Taysad Organize Sanayi Bolgesi 2 Cadde No 5 ay rova 41435 Kocaeli TURKEY Phone 90 262 679 78 00 Fax 90 262 679 78 26 Manufacturer Decembe 2011...

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