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MIG 140 WELDER

ASSEMBLY AND OPERATING INSTRUCTIONS

Item #33970

Summary of Contents for 33970

Page 1: ...MIG 140 WELDER ASSEMBLY AND OPERATING INSTRUCTIONS Item 33970 ...

Page 2: ...stwood Lg View Welding Helmet Eastwood Auto Darkening Helmet Concours 2 HVLP Paint Gun Items not covered under this warranty Consumables unless deemed defective are not covered by the 2 year warranty Abuse neglect and lack of maintenance is not covered under this warranty 1 Year Warranty on Material Workmanship and Defects Eastwood Tools Not Included Above Fairmount Tools Items not covered under t...

Page 3: ...d Cable Clamp Assembly C 1 Shielding Gas Regulator D 1 5 ft Shielding Gas Hose E ACCESSORIES FIG B 1 Handheld Welding Face Shield F 1 Shield Lens G 1 Shield Handle H 1 Shield Handle Retaining Plug J 1 Hammer Brush K 1 0 030 Contact Tip L 1 0 035 Contact Tip M 1 Contact Tip Wrench N 1 2lb Spool of 0 023 0 6mm Solid Wire P FIG A FIG A FIG B FIG B A B C D F E G H J K L M N P ...

Page 4: ...allow the unit to cool for a minimum of 15 minutes When a safe temperature has been reached the Welder can be switched back on To increase the duty cycle turn down the Voltage Output control Going above 90 Amps will yield a lower Duty Cycle SPECIFICATIONS Solid Stainless Flux Core Wire Type and Diameter 0 023 0 030 0 6mm 0 8mm 0 023 0 030 0 6mm 0 8mm 0 030 0 035 0 8mm 0 9mm MIG WELDING WIRE CAPACI...

Page 5: ...l on the labeling and all other information provided with this product READ INSTRUCTIONS Thoroughly read and understand this manual before using Save for future reference ELECTRIC SHOCK CAN CAUSE INJURY OR DEATH Improper use of an electric Welder can cause electric shock injury and death Read all precautions described in the Welder Manual to reduce the possibility of electric shock Disconnect Weld...

Page 6: ...her organs Use enough ventilation and or exhaust at the arc to keep fumes and gases from your breathing area Use an OSHA approved respirator when welding in confined spaces or where there is inadequate ventilation Never weld coated materials including but not limited to cadmium plated galvanized lead based paints BUILDUP OF GAS CAN INJURE OR KILL Shut off gas supply when not in use Ensure adequate...

Page 7: ... grinding or sanding Read all manuals included with specific grinders sanders or other power tools used before and after the welding process Be aware of all power tool safety warnings FIRST AID If exposed to excessive fumes move to an area with fresh air Follow safety information on wire manufacturer s Safety Data Sheet For other injuries follow basic first aid techniques and call a physician or e...

Page 8: ...asic 2 step operation of short welding Depress trigger and hold it in Arc begins and shielding gas flows Release trigger arc and shielding gas flow stops 4T 4 step operation of long welding like cruise control for welding Depress trigger and release Arc starts and shielding gas flows Depress trigger once again to stop arc and shielding gas flow TACK This Mode automatically produces a brief 1 2 sec...

Page 9: ...hielding Gas Connection h ON OFF Switch FIG 3 FIG 3 f f g g h h FIG 4 FIG 4 SIDE INTERIOR PANEL FIG 4 a MIG Gun Cable Gas Connection Socket i Wire Spool Spindle j Wire Feed Tube k Wire Drive Roller l Wire Tensioner m MIG Gun Cable Retaining Thumbscrew n Wire Speed Chart i i m m a a j j k k l l n n ...

Page 10: ...nection Socket a of the Drive Motor Assembly FIG 7 Plug the Brass Body End of the MIG Gun Cable Assembly B into the designated MIG Gun Cable Gas Connection Socket a FIG 8 seating it fully and firmly IMPORTANT NOTE The Brass Body End of the MIG Gun Hose Wire Cable B MUST BE fully seated against the base of the MIG Gun Cable Gas Connection Socket a or gas may either leak or not be able to pass throu...

Page 11: ...140 and wrench tighten until snug FIG 3 Check the gas line for leaks by slowly opening the valve on the gas bottle When welding the valve on the bottle should always be fully open Close it when done welding to avoid loss of gas To order parts and supplies 800 343 9353 eastwood com 11 BUILDUP OF GAS CAN INJURE OR KILL Shut off shielding gas supply when not in use Always ventilate confined spaces or...

Page 12: ...the Spool Retaining Wingnut then place the 8 Spool Adaptor in a safe place if it is needed in the future FIG 10 DO NOT unravel wire at this point SETTING THE WIRE TENSION ADJUSTER To set the tension on the wire incrementally tighten the Spool Retaining Wingnut at the center of the Spindle until there is a slight resistance to spinning the wire spool on the Spindle If the tension is set too loose t...

Page 13: ... of welding wire and straighten the welding wire approximately 3 0 long 7 Thread the welding wire feeding from the underside of the spool and forward through the Guide Tube then over the wire Drive Roller and into the Wire Feed Hole FIG 12 8 Replace the Tension Arm and re latch the Wire Tensioner back into place FIG 13 9 Connect the Welder to a power supply and Turn the ON OFF Switch at the upper ...

Page 14: ...Roller is factory set and up ready to use 0 023 0 6mm solid wire IMPORTANT NOTE In this position the narrower 0 023 0 6mm grove is inboard under the wire while the 0 6 marking for the narrower 0 023 0 6mm wire is visible on the outward face of the Drive Roller To Clarify The stamped marking on the side of the drive roller indicates the size of the groove on the opposite side of the roller FIG 15 T...

Page 15: ...s properly supported and grounded prior to beginning an electric welding operation Always attach the ground clamp to the piece to be welded and as close to the weld area as possible This will give the least resistance and best weld WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION Electric welding produces sparks which can be discharged considerable distances at high velocity igniting flammable or explod...

Page 16: ...safety warnings SHIELDING GAS FLOW ADJUSTMENT After connecting the Shielding Gas Regulator the gas flow rate needs to be adjusted so that the proper amount of Shielding Gas is flowing over the weld If there is too little gas flow there will be porosity in the resulting welds as well as excessive spatter If there is too much gas flow this will be wasting gas and may affect the weld quality The incl...

Page 17: ... Spool Gun Selector located on the Front Panel by pressing the Button to select to the MIG Gun Mode FIG 17 Depress the Welding Gun trigger pointing the welding gun away from your body or anyone else then let go of the trigger and cut the wire back to 1 4 stick out length Wearing a welding helmet gloves with long sleeve shirt and pants put the end of the wire sticking out of the gun into the joint ...

Page 18: ...s there It is essential to keep moving around to spread out the heat making sure not to get one section too hot warping the metal Once the entire weld has been completed allow the metal to cool If necessary follow up with a flap disc to grind the weld bead flush HEAVIER GAUGE METAL WELDING TECHNIQUES When welding heavier gauge metal a continuous bead is formed using a push method This process is d...

Page 19: ...ger tight Connect the Male Metal Plug to the Female Cannon Plug connection on the front of the Welder FIG 18 INSTALLING THE GROUND CABLE AND CLAMP The Ground Cable Clamp installation is the same as for the MIG Gun THREADING WELDING WIRE THROUGH THE SPOOL GUN FIG 19 Push button to open Spool Gun Side Cover Remove the Thumbscrew that retains the Wire Spool IMPORTANT NOTE Thumbscrew has Left Hand thr...

Page 20: ...3 4 stick out length Using the Welding Face Shield or welding helmet gloves and long sleeve shirt and pants put the end of the wire sticking out of the Spool Gun into the joint to be welded Position the Spool Gun so that it is perpendicular to the base metal with 10 15 angle in the direction of push travel Depress the trigger to start the wire feed which starts the arc NOTE When welding aluminum w...

Page 21: ...t between two pieces where the edges are being joined TEE WELD is a joint between two pieces where one is perpendicular to the other CORNER WELD is a joint between two pieces that meet at or near perpendicular at their edges LAP WELD is a joint between two overlapping pieces PLUG WELD is a joint which joins two overlapping pieces by filling in a hole punched in the top piece ...

Page 22: ...er Switch on allowing cooling fan to run for 15 minutes cooling welder then re try MIG Spool Gun Selector not set on Spool Gun when attempting to use Spool Gun Set MIG Spool Gun Selector to the Spool Gun Mode Wire Burning Back to Contact Tip Drive motor wire tension is insufficient allowing wire slippage Increase drive roller tensioner Wire speed setting may not be adequate for welding amperage se...

Page 23: ...r one of correct size or new condition Shielding Gas Not Flowing Out of MIG Gun Gas regulator not opened enough Open gas flow knob further to allow more gas through Gas cylinder empty Refill welding gas bottle MIG Gun connector not fully inserted into socket of Welder Loosen MIG Gun hold down wing nut and fully insert connector into socket before re tightening wing nut O rings on MIG Gun damaged o...

Page 24: ...Pottstown PA 19464 USA 800 343 9353 eastwood com ACCESSORIES CONSUMABLE ITEMS 20317 0 023 Contact Tips 5 Pack 20318 0 030 Contact Tips 5 Pack 30651 0 035 Contact Tips 5 Pack 20572 Nozzle 20281 MIG Consumables Kit 2 Nozzles 10 Contact Tips OPTIONAL ITEMS 12238 Gas Regulator 20172 Spool Gun 21483 Eastwood Large View Auto Darkening Welding Helmet L6700 21484 Eastwood XL View Auto Darkening Welding He...

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