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INVERTER DC

WIRE FEED WELDER

OWNER’S MANUAL

09/2019

WARNING:

Read carefully and understand all

ASSEMBLY AND OPERATION

INSTRUCTIONS

before operating. Failure to follow the safety rules and other

basic safety precautions may result in serious personal injury.

1910308-12

MPM141

Содержание MPM141

Страница 1: ...S MANUAL 09 2019 WARNING Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating Failure to follow the safety rules and other basic safety precautions may result in serious personal injury 1910308 12 MPM141 ...

Страница 2: ...r cover are considered consumable items and are not covered under warranty 1 Year Accessories Warranty Parts and Labor on MIG gun parts except those listed under normal wear items cables regulator and plasma torch except those listed under normal wear items are covered for 1 year Any shipping related to warranty repair is the responsibility of the customer 2 Year Welder Warranty The 2 year warrant...

Страница 3: ...lling 1 2 Your Welder s Condition Check ground cable power cord and welding cable to be sure the insulation is not damaged Always replace or repair damaged components before using the welder Check all components to ensure they are clean and in good operating condition before use 1 3 Use of Your Welder Do not operate the welder if the output cable electrode torch wire or wire feed system is wet Do ...

Страница 4: ... in the weld area The fumes emitted from some metals when heated are extremely toxic Refer to the material safety data sheet for the manufacturer s instructions Do not weld near materials that will emit toxic fumes when heated Vapors from cleaners sprays and degreasers can be highly toxic when heated UV and IR Arc Rays The welding arc produces ultraviolet UV and infrared IR rays that can cause inj...

Страница 5: ... cable together whenever possible Keep MIG gun and ground cables on the same side of your body Shielding Gas Cylinders Can Explode High pressure cylinders can explode if damaged so treat them carefully Never expose cylinders to high heat sparks open flames mechanical shocks or arcs Do not touch cylinder with MIG gun Do not weld on the cylinder Always secure cylinder upright to a cart or stationary...

Страница 6: ... Matco Tools MPM141 is a portable DC wire feed welder capable of welding with solid wire with shielding gas or flux core wire It uses leading edge Inverter Technology to provide high quality welds that are crisp clean and consistent with plenty of power and will impress the most experienced of welders It is powered by AC single phase 120V 110 120V 60HZ 20amp with time delayed fuse or circuit break...

Страница 7: ...art inside the wire feed compartment for initial adjustment settings GROUND CABLE AND CLAMP The ground cable and clamp are attached to the work piece to complete the circuit allowing the flow of current needed to weld MIG TORCH The welding wire is driven through the welding cable and torch to the work piece It is attached to the drive system The trigger activates the drive motor INERT GAS REGULATO...

Страница 8: ...an extension cord over 25 ft in length 3 INSTALL THE WIRE ROLLER The wire roller has been factory installed However check to make certain the correct wire groove is in place to accommodate the size of wire you are using Open the wire feed compartment Adjust the drive roller according to the following steps see following picture about the wire feeder structure 3 1 Open the door to the welder drive ...

Страница 9: ...moved any old wire from the torch assembly This will help to prevent the possibility of the wire jamming inside the gun liner Be very careful when removing the welding nozzle The contact tip on this welder is live whenever the torch trigger is pulled Make certain POWER is turned OFF 4 2 1 Remove the nozzle and contact tip from the end of the torch assembly 4 2 2 Make sure the proper groove on the ...

Страница 10: ...ther problem 4 2 7 With the welder disconnected from the power source remove the leading end of the wire from the spool Hold on to it securely to avoid unspooling or tangling of the wire as it will result in tangled wire and feeding problems 4 2 8 Cut off any bent portion of the wire using a wire cutter 4 2 9 Loosen the tension adjusting knob holding the drive tension arm in place and lift the ten...

Страница 11: ...3 Turn the welder ON 5 SETTING THE DRIVE ROLL TENSION Arc flash can injure eyes To reduce the risk of arc flash make certain that the wire coming out of the end of the torch does not come in contact with the work piece ground clamp or any grounded material during the drive tension setting process or arcing will occur 5 1 Press the trigger on the torch 5 2 Turn the drive tension adjustment knob clo...

Страница 12: ...trigger is activated No gas flow will result in a harsh arc with excessive spatter a smooth weld bead will be difficult to obtain Avoid unnecessary gas loss by closing the tank valve when finished welding 6 7 Gas selection Different materials require different shielding gas when MIG welding refer to the set up chart inside the wire feed compartment Mild steel Use 75 Argon and 25 CO2 for reduced sp...

Страница 13: ...different positions until you find the one that seems to work best for you 5 POSITION OF THE TORCH TO THE WORK PIECE There are two angles of the torch nozzle in relation to the work piece that must be considered when welding 5 1 Angle can vary but in most cases the optimum angle will be 60 degrees the point at which the torch angle is parallel to the work piece If angle A is increased penetration ...

Страница 14: ...welding gloves a heavy long sleeved shirt trousers without cuffs high topped shoes and an ANSI approved welding helmet ELECTRIC SHOCK CAN CAUSE INJURY OR DEATH To prevent ELECTRIC SHOCK do not perform any welding while standing kneeling or lying directly on the grounded workpiece 8 1 Moving the torch Torch travel refers to the movement of the torch along the weld joint and is broken into two eleme...

Страница 15: ...nning downward while still allowing slow enough travel speed A good starting point for angle B is about 30 degrees DOWN from being perpendicular to the work piece VERTICAL POSITION It is easier for many people to pull the torch from top to bottom It can be difficult to prevent the puddle from running downward Pushing the torch from bottom to top may provide better puddle control and allow slower r...

Страница 16: ...ther pass or the next pass will be of poor quality Fillet Weld Joints Most fillet weld joints on metals of moderate to heavy thickness will require multiple pass welds to produce a strong joint The following figure will show the sequence of laying multiple pass beads into a T fillet joint and a lap fillet joint 8 5 Spot welding There are three methods of spot welding Burn Through Punch and Fill an...

Страница 17: ...3 The LAP SPOT METHOD directs the welding arc to penetrate the bottom and top pieces at the same time right along each side of the lap joint seam Select the wire diameter heat setting and tune in the wire speed as if you were welding the same thickness material with a continuous bead 8 6 SPOT WELDING INSTRUCTIONS 8 6 1 Select the wire diameter and heat setting recommended above for the method of s...

Страница 18: ...re Will Feed Only When Trigger Is Mashed Wire Drive Motor Is Damaged Replace Wire Drive Motor Overload Indicator is on Input Voltage is too high or too low Meter Input Power Voltage This unit must be used with input voltage that ranges from 220V 240V AC 105V 132V when operating using the 120V adapter cord Welder is overheated Leave the power on Allow the fan to cool the welder until the overload i...

Страница 19: ... NOZZLE 1 11 105200043 CONTACT TIP 1 12 105200237 MIG TORCH 1 13 105200054 BASE PLATE 1 14 105200198 WIRE FEEDER 1 15 105200241 BINDING POST BLACK 1 16 105200242 BINDING POST RED 1 17 165200027 DOOR 1 18 105200009 SPOOL HOLDER ASSEMBLY 1 19 105200080 LATCH 1 20 125200077 FAN 1 21 165200051 FAN SUPPORT 1 22 165200016 BACK PLASTIC PANEL 1 23 105200441 GAS CONNECTOR 1 24 105200266 GAS HOLDER 1 25 105...

Страница 20: ...Page 20 of 20 1910308 12 Distributed by Matco Tool 4403 Allen Road Stow OH 44224 ww w m a t c o t o o l s c o m Made in China ...

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