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AHP alphaMIG 190MP Operator's Manual

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alphaMIG 190MP
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925-391-3599
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OPERATOR'S MANUAL
Contact:
tech@ahpwelds.com
925-391-3599 (Ext. 102)
SAFETY AND USE INSTRUCTIONS
Purchase Date (Attach Receipt to Cover For Proof of Purchase)
Serial Number
Issue Date: 03/07/2022
Publication: AHP190MP-0307
© Ahp Welding Systems
380 Swift Ave. #11 South San Francisco, CA 94080

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  • Page 1 OPERATOR’S MANUAL Contact: tech@ahpwelds.com 925-391-3599 (Ext. 102) SAFETY AND USE INSTRUCTIONS Purchase Date (Attach Receipt to Cover For Proof of Purchase) Serial Number Issue Date: 03/07/2022 Publication: AHP190MP-0307 © Ahp Welding Systems 380 Swift Ave. #11 South San Francisco, CA 94080...

  • Page 2: Table Of Contents

    7 Pin Control connector Pin-Out Trouble shooting This AHP welding product is designed for use by individuals with a both knowledge and skills in MIG ,TIG NOTICE: and Stick welding. It is designed with commercial operation in mind. AHP cannot be held accountable for instruc- tion and training of inexperienced users or damage or malfunctions that may result from use by inexperienced us- ers or improper installation.

  • Page 3: Shipping Issues

    IMPORTANT! This unit has been thoroughly tested and inspected for function at the factory. However, you should be prepared to inspect and test this unit completely within 72 hours after receipt. Please do not delay in doing this. Ahp needs to know if there is any damage caused in shipping as soon as possible.

  • Page 4: Ca Proposition 65 Warning

    Ahp Welding Systems makes no warranty for merchantability or fitness for a particular purpose or application. Any claims of such are expressly denied by Ahp Welding Systems. Fur- thermore, Ahp Welding Systems does not accept liability for injury or damages, consequential or incidental, resulting...

  • Page 5: Safety First Information

    SAFETY FIRST! Ahp Welding Systems takes safety seriously. You should as well. Please read this entire manual before using. Keep a copy of this manual available for all employees or potential users of this machine to read and thoroughly review before use.

  • Page 6: Safety Warning, Dangers, Cautions And Instructions

    If you or the operator needs further instruction, contact AHP welding support or seek qualified professional advice and training. WARNING! High Frequency (HF) energy can interfere with the operation of pacemakers and can dam- age pacemakers.
  • Page 7 Safety Warnings, Dangers, Cautions and Instructions DANGER! Welding and cutting operations pose serious inhalation hazards. Some of these hazards are immediate while others are cumulative in their effect. Do not weld in enclosed spaces or in areas without adequate ventilation. Fumes and gases released in the welding and cutting opera- tions can be toxic.
  • Page 8 Safety Warnings, Dangers, Cautions and Instructions CAUTION! Welded metal can stay hot long after welding is completed. Burns may occur. Always wear gloves or use tongs/pliers when handling welded or cut metal. Remember the heat from the metal may catch other material on fire. Always have a fire-proof area ready to place welded compo- nents until they fully cool.

  • Page 9: About The Alphamig 190Mp

    240V to 120V Stepdown pigtail adapter The AlphaMIG 190MP is a class-leading multi-process design welder from AHP. It is capable of MIG, DC TIG, and DC Stick welding. This Ahp Warranty Statement combination of functions allows the user to cover a broad spectrum of welding needs.

  • Page 10: Specifications

    190MP Specifications and Need-to-Know Information AlphaMIG 190MP Specifications Feature and Range Feature Range Input/Output Operating Range Process DC MIG, DC TIG and Stick MIG Wire Speed 60-425 IPM (No load) Input Voltage Welding Process Operating Range A/V MIG Wire Feeder 2 roller system with .023-.030”...

  • Page 11: Generator Operation Information

    190MP Specifications and Need-to-Know Information Generator Operation Information Even though this unit is equipped with a duty cycle safety feature, intentionally and repeatedly surpassing the duty cycle will shorten the This unit may be used with any clean power rated 240V lifespan of the unit.

  • Page 12: Shielding Gas And Regulator Information

    190MP Specifications and Need-to-Know Information Shielding Gas Information type, and is easier to read at a distance. When installing the regula- tor and making it ready for use, be sure to snug all fittings using two wrenches. One will hold the stationary fitting, the other will be used This unit features two rear connectors for shielding gas.

  • Page 13: Adjusting The Regulator

    Specifications and Need-to-Know Information Adjusting The Regulator the arc has stopped for more than a few seconds, the gas sole- noid may have stuck. Contact AHP for maintenance (cleaning) and repair solutions. TIG and MIG flow rate requirements are different, typically.

  • Page 14: Installing The Mig Gun

    190MP Specifications and Need-to-Know Information Installing the MIG Gun issue. Incorrect polarity can also cause undesirable operation of the welder such as excess spatter, birds nesting of the wire, wire/ electrode sticking, excessive Tungsten/consumable wear, poor pene- After inspecting the unit for power up, it is necessary to confirm tration and even arc instability.

  • Page 15: Mig Wire Installation And Tensioning

    190MP Specifications and Need-to-Know Information Flux-Cored Spool Rotation (Under Cover) Polarity Connect Cable MIG or Flux-Cored Gun Work Clamp (+) Spool Assembly Narrow IMPORTANT! Remove the TIG and Stick Torch while welding MIG to prevent arcing and Narrow Shoulder Shoulder damage to the machine.
  • Page 16 190MP Specifications and Need-to-Know Information small spools of flux-cored wire or stainless. Spool Gun polarity con- be fed out past the diffusor. Re-install the contact tip over the wire nections are the same as in regular MIG or Flux-Core.

  • Page 17: Mig Techniques

    190MP Specifications and Need-to-Know Information drive roll. The size of the drive roll groove is stamped on the side of the sary. When the wire begins to curl without any stoppage, the tension drive roll closest to the corresponding groove. The type of the drive roll is enough.
  • Page 18 190MP Specifications and Need-to-Know Information DRAGGING VERSUS PUSHING: cause excess spatter. However, If you are welding flux-core, the gun angle is reversed and it is welded at a drag angle due to the flux accumulation possibility in front of the weld. Remember: If it has gas, you use a push MIG Welding is fairly simple if you keep travel angle and direction in mind angle.

  • Page 19: Tig Polarity And Tungsten Type

    Tungsten. Grinding radially will cause arc instabil- ity. Ahp recommends Lanthanated 2% (blue band) Tungsten for all TIG welding, whether welding in DC or AC modes. 1.5% Lanthanated On a DC Inverter TIG, you should never ball your Tungsten NOTICE: (gold band) is also a good choice.

  • Page 20: Stick Polarity And Electrode Type

    190MP Specifications and Need-to-Know Information polarity. Stop and check your polarity and gas flow is the Tungsten is correct angle. rapidly consumed. However, if you do not have one, you may use a bench grinder with a Use the guide below to help you get the best performance out of your fine grit stone.
  • Page 21 190MP Specifications and Need-to-Know Information Remove MIG Gun Torch(+) Work Clamp (-) IMPORTANT! Remove MIG Gun while using TIG and Stick process- es. Gun will remain live if connected. If it comes into contact with metal, the MIG Gun may short out, and may cause damage to the unit.

  • Page 22: Hf Point Gap Maintenance For Tig

    Dirty or contaminated metal. Preclean aluminum with Stainless • not fire, contact Ahp technical support at the number listed on the brush or special aluminum grinding wheel. Decontaminate with front of this manual.) If you do not see the arc location, look up and acetone or aluminum cleaner made specifically for welding Alu- to the left of the unit.

  • Page 23: Front Panel View And Identification Of Features

    alpha Specifications and Need-to-Know Information Front Panel View Number Component Identification Component Note Operator Panel Interface See Operator Panel Page for detailed information Door and Latch Keep door closed while in use. Only open for wire replacement and starting. TIG quick connect type “B” 9mm The TIG torch gas connection is inserted here.

  • Page 24: Rear Panel View And Identification Of Features

    190MP Specifications and Need-to-Know Information Rear Panel View Number Component Identification Component Note Power Switch This is used to switch the unit on and off. TIG and MIG Shielding Gas Connection 5/8” CGA Fitting is used in North American Markets. Other markets may use a hose barb connection. These are compression type fittings and do not require thread tape or pipe sealant.

  • Page 25: Operator Panel (Controls)

    190MP Specifications and Need-to-Know Information Operator Panel Pedal/ Number Component Identification Component Note Remote/Trigger/Spool This is used to set the function of the trigger. MIG/TIG 2T: Press and Hold, 4T Press, hold and release to start the arc/Press and release to terminate the arc.

  • Page 26: Series 15Ak Mig Torch Break Down

    190MP Specifications and Need-to-Know Information Series 15AK Torch...

  • Page 27: Series Tig Torch Break Down

    Component Identification and Explanation of Function 26 Series Air-Cooled Welding Torch (Typical Type) Parts and Assembly. Typical AHP and NOVA Torch Assembly (17,18, 26 Series) (Some parts may not appear exactly the same but are equal in assembly order and type.) Tungsten not included.

  • Page 28: Recommended Setttings

    190MP Component Identification and Explanation of Function MIG Recommended Settings TIG Recommended Settings Gas Type/Mode Wire Size Metal Thickness WFS Range Volt Range Tungsten Dia Steel Thickness Amps Filler Dia. MIG C25 .023” 18 Gauge 251-271 IPM 15.1-17.1 V...

  • Page 29: Explanation Of Terms And Features

    190MP Specifications and Need-to-Know Information Explanation of Terms and Features To help understand the settings and features of this basic machine, a turer has its own specific parameters for Volt and Amp settings for basic explanation of the terms and proper use is necessary. The fol- each wire diameter and class of wire.
  • Page 30 190MP Specifications and Need-to-Know Information Explanation of Terms and Features Weaving (oscillating the torch or electrode from side to side in one NOTICE: pattern or the other), particularly in MIG, is a topic of controversy as While using the optional foot pedal, or the optional slider switch, the much as whether to push or pull the MIG gun.
  • Page 31 TIG HF, Live Lift, and Remote Lift Start. plete a plate weld for a higher quality result. For best results, this The AHP AlphaMIG 190MP is unique in its class by offering all three requires that most joints 1/4” and over be prepared with a grinder to forms of arc starting.
  • Page 32 190MP Specifications and Need-to-Know Information Explanation of Terms and Features intended to be only a starting point, not a completely exhaustive from the ones listed. The following guide does not represent the source. Keep in mind that no guide is a substitute for practice and maximum capability, or even the recommended capability of the unit.
  • Page 33 190MP Specifications and Need-to-Know Information Explanation of Terms and Features Different Types of Welds Besides a butt joint (Flat edge to flat edge) and lap joint (overlapping edg- es) which are often used for thinner metal gauges, consider using one of these groove joints for best welding results.

  • Page 34: Pin Control Connector Pin-Out

    190MP Component Identification and Explanation of Function 7 PIN CONNECTOR Bridge a Jumper to Pin 7 To Pedal or Torch Switch ON/OFF Bridge a Jumper to Pin 6 To Pedal or Torch Switch ON/OFF High Middle Potentiometer (VR)

  • Page 35: Troubleshooting

    190MP Troubleshooting Trouble Possible Cause Solution Unit is switched on, but the power light Switch damaged. Check. isn’t on. Service Breaker/ Input Line Damaged Replace. After welding machine is overheating Fan damaged. Replace. and the fan does not work.

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