WIA WELDMATIC 270 Operator's Manual
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WIA WELDMATIC 270 Operator's Manual

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MIG Welder
OPERATORS MANUAL | CP146-1
From serial numbers CP1462A*
WELDING.COM.AU

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Summary of Contents for WIA WELDMATIC 270

  • Page 1 MIG Welder OPERATORS MANUAL | CP146-1 From serial numbers CP1462A* WELDING.COM.AU...
  • Page 2 WELDING INDUSTRIES AUSTRALIA A Division of ITW Australia Pty Ltd ABN: 63 004 235 063 1300 300 884 Email: info@welding.com.au welding.com.au WELDWELL NEW ZEALAND A Division of ITW New Zealand NZBN: 9 429 039 833 129 GST NO: 080177186 0800 9353 9355 Email: info@weldwell.co.nz weldwell.co.nz...

  • Page 3: Table Of Contents

    CONTENTS Section General Information Page Safe Practices Introduction Receiving Specifications Controls Installation Normal Welding Sequence Basic Welding Information General Maintenance External Trouble Shooting Trouble Shooting Chart Circuit Diagrams Assembly & Parts List Power Source Assembly & Parts List Gun & Cable Australian Warranty Information New Zealand Warranty...

  • Page 4: Safe Practices

    Weldmatic 270 | Operator Manual | Model No CP146-2 SAFE PRACTICES WHEN USING WELDING EQUIPMENT READ FIRST The information contained in this These notes are provided in the interests manual is set out to enable you of improving operator safety. They should...
  • Page 5 Burn Protection Metals coated with or containing materials that emit fumes should not be heated The welding arc is intense and visibly bright. unless coating is removed from the work Its radiation can damage eyes, penetrate surface, the area is well ventilated, or the light-weight clothing, reflect from light- operator wears an air-supplied respirator.
  • Page 6 Weldmatic 270 | Operator Manual | Model No CP146-2 Walls touching combustibles on opposite Shock Prevention sides should not be welded on or cut. Walls, Exposed conductors or other bare metal ceilings, and floor near work should be in the welding circuit, or ungrounded protected by heat-resistant covers or shields.

  • Page 7: Introduction

    The welding arc is struck between the work The Weldmatic 270 package contains: piece and the end of the wire, which melts into the weld pool. The arc and the weld –...

  • Page 8: Specifications

    Weldmatic 270 | Operator Manual | Model No CP146-2 3 SPECIFICATIONS Manufactured to Standards AS60974-1. Rated Input Voltage 240 Vac, 50 Hz Rated Primary Current 25.3Amps Maximum Primary Current 56 Amps Recommended Generator kVA 13.5 kVA Rated Output @ 40oC Duty cycle based on 10 min cycle time 270 Amp, 27.5 V, 20% duty...

  • Page 9: Controls

    4 POWER SOURCE CONTROLS Fig 1 Power Source Controls Circuit Breaker 5 Fine Voltage Control This circuit breaker protects the 30 Vac This switch provides Fine adjustment of the wirefeeder supply circuit. output welding voltage over four steps. 2 Wirefeeder Control Socket 6 Gas Outlet Connector for control cable from remote Connector for shielding gas hose from...

  • Page 10: Installation

    Weldmatic 270 | Operator Manual | Model No CP146-2 5 INSTALLATION The minimum recommended supply circuit Connection to Electrical Mains breaker rating for a Weldmatic 270 is Power Supply 25 Amps. For Australian and New Zealand installation a 32 Amp plug is the closest NOTE.
  • Page 11 Output Voltage Polarity To setup for this condition, connect the ‘WORK’ lead plug into the (+) output socket The design of the Weldmatic 270 allows on the Power Source, and the ‘WELDING’ selection of the output voltage polarity. lead from the wirefeeder into the (-) socket...

  • Page 12: Normal Welding Sequence

    Weldmatic 270 | Operator Manual | Model No CP146-2 6 NORMAL WELDING SEQUENCE 7 BASIC WELDING INFORMATION Weld Start Choice of Shielding Gas Closing the welding gun switch initiates this The choice of shielding gas is largely sequence of events: determined by the consumable wire to be used.
  • Page 13 Establishing a Weld Setting Once the consumable wire type, wire size and shielding gas have been chosen, the two variables that are adjusted in order to obtain a the desired weld setting are; – Wirefeed speed, – Welding arc voltage. The wirefeed speed determines the welding current;...

  • Page 14: General Maintenance

    Weldmatic 270 | Operator Manual | Model No CP146-2 8 GENERAL MAINTENANCE Gun Position Before removing the power For “down hand” fillet welding, the gun is source covers, ENSURE that the normally positioned as shown in Figure 6 equipment is disconnected from below with the nozzle end pointing in the the mains power supply.

  • Page 15: External Trouble Shooting

    If you are in Australia and the following checks do not identify the fault condition, the equipment should be returned to a WIA Service agent. Phone 1300 300 884 for details of your nearest service agent. If you are in New Zealand and the...

  • Page 16: Trouble Shooting Chart

    Weldmatic 270 | Operator Manual | Model No CP146-2 10 TROUBLE SHOOTING CHART Problem Likely Reason Outcome All Transformer Models No welding current, The machine is not turned on If confirmed that the no display. at both the mains supply and machine is switched on the machine power switch.
  • Page 17 Problem Likely Reason Outcome GMAW/MIG Models The machine feeds slowly Creep mode is selected, or Some models have a creep and then speeds up after machine has a permanent mode function that cannot 3-5 seconds. creep mode function. be adjusted. Other models have a push button selection for creep mode on/off.

  • Page 18: Circuit Diagrams

    Weldmatic 270 | Operator Manual | Model No CP146-2 11 CIRCUIT DIAGRAMS - POWER SOURCE Fig 7 Power Source Circuit Diagram...

  • Page 19: Power Source

    12 ASSEMBLY AND PARTS LIST - WELDMATIC 270 POWER SOURCE Fig 8 Weldmatic 270 Power Source Assembly...
  • Page 20 Weldmatic 270 | Operator Manual | Model No CP146-2 WELDMATIC 270 PARTS LIST Item # Part # Description WHL002 Wheel, Rubber, Castor PAN094 Base WHL003 Wheel, Rubber, Fixed E0053 Control Socket, 3 Pin PAN097 Side Panel E0042 Switch, Standby/Operate MR231554...
  • Page 21 13 ASSEMBLY AND PARTS LIST - GUN AND CABLE ASSEMBLY Fig 9 GUN001 (200 amp) Gun and Cable Assembly Item # Part # Description BE4392 Nozzle, Brass, Tapered see 'TIPS' page 22 Contact Tip BE4335 Gas Diffuser (Head) BE4323 BEQT2-45 Body Tube, 2", 45°...
  • Page 22 Weldmatic 270 | Operator Manual | Model No CP146-2 Tips To replace liner: Disconnect gun/cable assembly at the Euro adaptor. Remove nozzle (1) and head (3). Withdraw old liner from the wirefeeder end. Insert new liner and refit gun/cable assembly to the wirefeeder.

  • Page 23: Australian Warranty Information

    Effective 1st January 2022 This warranty covers the Weldmatic power source and wirefeeder only, and does not Welding Industries of Australia (WIA) extend to the regulator, gun assembly warrants to the original retail purchaser that or accessories included in the original the Weldmatic welding machine purchased purchase package.
  • Page 24 Weldmatic 270 | Operator Manual | Model No CP146-2 For products purchased in Australia Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage.

  • Page 25: New Zealand Warranty Information

    NEW ZEALAND WARRANTY INFORMATION WIA Weldmatic MIG Equipment 3 Year Gold Shield Warranty Statement Effective 1st January 2022 WIA Weldmatic MIG Equipment purchased in New Zealand have identical warranty conditions as Australia, with the below conditions: In the event of defects listed in the...
  • Page 26 Weldmatic 270 | Operator Manual | Model No CP146-2 NOTES:...
  • Page 27 NOTES:...
  • Page 28 WELDING INDUSTRIES WELDWELL AUSTRALIA NEW ZEALAND A Division of ITW Australia Pty Ltd A Division of ITW New Zealand ABN: 63 004 235 063 NZBN: 9 429 039 833 129 GST NO: 080 177 186 1300 300 884 Email: info@welding.com.au 0800 9353 9355 welding.com.au Email: info@weldwell.co.nz...

This manual is also suitable for:

Cp146-1

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