WELDCO MMA160 Operator's Manual
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WELDCO MMA160 Operator's Manual

Inverter arc welder
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MMA160
Inverter Arc Welder
OPERATORS MANUAL
IMPORTANT:
This manual contains important information regarding the safety, operation, maintenance and storage of this
product. Before use read carefully and understand all cautions, warnings, instructions and product labels. Failure to
do so could result in serious personal injury and/or property damage.

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Summary of Contents for WELDCO MMA160

  • Page 1 MMA160 Inverter Arc Welder OPERATORS MANUAL IMPORTANT: This manual contains important information regarding the safety, operation, maintenance and storage of this product. Before use read carefully and understand all cautions, warnings, instructions and product labels. Failure to do so could result in serious personal injury and/or property damage.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Thank You For Your Purchase ..............................3 Unpacking Your New Welder ................................. 3 Welding Hazards and Safety ............................... 4 Work Area ...................................... 4 Personal Protective Equipment and Clothing (PPE) ........................4 Electromagnetic and Radio Frequencies – “PACEMAKERS” ......................5 Pre-Checks ......................................

  • Page 3: Thank You For Your Purchase

    Thank you for your Purchase. Weldco would like to thank you for purchasing the MMA160 Inverter Welder. This manual is designed to guide you through using your new machine. Your inverter welder utilizes the latest in welding technology to ensure you receive professional results in a variety of applications.

  • Page 4: Welding Hazards And Safety

    WELDING HAZARDS AND SAFETY Welding poses a variety of hazards to health and safety. Please ensure you have the correct safety equipment for yourself and those within the welding area. Your local distributor will be able to assist you with the correct protective helmet and gloves. Detailed documents can be located on the Worksafe website, www.worksafe.govt.nz, topic welding.

  • Page 5: Electromagnetic And Radio Frequencies - "Pacemakers

    ELECTROMAGNETIC AND RADIO FREQUENCIES – “PACEMAKERS” • Avoid contact with the energized workpiece. • Always ensure you have adequate protection from electrocution and burns. Since the welder owns strong electromagnetic and radio frequencies. Persons fitted with “PACEMAKERS” or similar • devices MUST consult their doctor before turning on the welder.

  • Page 6: Technical Description

    INPUT PLUG The MMA160 is fitted with a 10amp plug. This machine is designed to work with 10amp domestic wall sockets. It is important that the machine is plugged directly into the mains plug. If an extension cord must be used a minimum 2.5mm wire thickness is required and no more than 10m in length.

  • Page 7: Machine Layout

    MACHINE LAYOUT Front 1. MMA Function 2. Hot Start Adjustment 3. Main Adjustment dial /step- Switch 4. ARC Force Adjustment 5. Lift TIG Function 6. Negative Terminal 7. Positive Terminal 8. VRD ON / OFF Indicator 9. Thickness Indicator 10. Suggested Rod thickness 11.

  • Page 8: Mma (Stick) Welding Setup

    SET UP FOR MMA (STICK) WELDING Please ensure you have all relevant safety equipment and PPE ready. This setup is for the most common electrode positive setting for General-purpose rods. Please check your electrode packaging to confirm. • Connect the Earth clamp cable to the NEGATIVE terminal on the front of the machine.
  • Page 9 Once the machine has powered up the default setting is for MMA if the MMA indicator bar (18) is not pointing towards the MMA press the Main Adjustment dial /step- Switch (3) to select MMA. Your Weldco Inverter welder is fitted with a “Voltage Reduction Device” (VRD). The VRD reduces the open •...
  • Page 10 • To adjust the ARC FORCE, press the Main Adjustment Dial / Step-switch until the Hot Start is indicated. Arc Force is like Hot Start but works during the welding process, not just at Arc ignition. Increasing arc force will supply an increased burst of current, improve arc starting, and reduce the chance of the electrode sticking.

  • Page 11: Dc Lift Tig Welding Setup

    Ensure that the plug is secure in the socket to reduce any chance of arcing from a loose connection. • Connect the Optional Weldco Argon Regulator (WDC0812) to the argon cylinder and connect the gas line from the Tig torch to the regulator. With the valve of the TIG torch open turn on the argon cylinder and set the regulator to between 6-10 L/min.
  • Page 12 • Once the machine has powered up the default setting is for MMA press the Main Adjustment Dial / Step- switch (3) to select TIG (5) • Your Inverter welder is fitted with a “Voltage Reduction Device” (VRD). The VRD is not used for TIG welding. •...

  • Page 13: Maintenance

    During this time should your Weldco power source fail please contact your authorized Weldco distributor. This warranty does not cover freight or goods serviced by unauthorized personnel. Weldco will inspect your power source for faulty material or workmanship and will only be replaced if repair is not possible.

  • Page 14: Troubleshooting

    The power indicator light will not turn on. Allow the machine to rest for a few minutes and normal operation should continue. If this does not rectify the issue, please contact your approved Weldco Technician.

  • Page 15: Notes

    NOTES:...
  • Page 16 WELDCO NEW ZEALAND Christchurch 8024 New Zealand www.weldco.co.nz Made in China © 2024...

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