Ozito

IMW-100 - Welding machine Ozito - Free user manual and instructions

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Product Type Self Shielded Flux Cored Inverter Arc Welder
Model IMW-100
Welding Current Range 30-100 A (15.5-19 V)
Welding Wire Size 0.8 mm / 0.9 mm (Flux-Cored)
Wire Feed Speed 1.6-5.0 m/min
Max Wire Spool Weight 1 kg
Duty Cycle 20% @ 100A, 60% @ 58A, 100% @ 45A
IP Rating IP21S
Weight 6.2 kg
Power Supply 230-240 V ~ 50 Hz, Single Phase
Rated Maximum Input Current (I1max) 15.0 A
Effective Input Current (I1eff) 6.7 A
Cooling System Fan Cooling
Power Cable Size 3 x 1.5-2 mm²
Welding Cable Size 1 x 10 mm²
Recommended External Fuse 16 A
Protection Features Thermal Overload Protection, Residual Current Device (30 mA)
Warranty 3 Year Replacement Warranty (DIY use only)
Intended Use DIY and light duty welding
Included Accessories Welding mask, chipping hammer/wire brush, torch tip, shroud, spool nut, spring, spool plate, lens assembly, handle
Control Features On/Off switch, Voltage control dial, Feed rate control dial, Power ON LED, Thermal Overload LED
Safety Features Automatic shutdown on overload, forced cooling fan, insulated torch
Maintenance Clean with damp cloth and soft soap; store in dry location; replace cables by certified electrician

Frequently Asked Questions - IMW-100 Ozito

What type of welding wire can I use with the Ozito IMW-100?
The welder is designed for self-shielded flux-cored wire in sizes 0.8 mm or 0.9 mm. Use the corresponding torch tip (included). Do not use solid wire or gas.
How do I install a new wire spool?
Ensure the welder is off and unplugged. Lift the top cover, remove the spool nut, spring, and spool plate. Place the new spool on the spindle with wire unwinding anticlockwise. Replace spool plate, spring, and nut. Thread wire through feed tube and roller, then close the pressure arm. Feed wire through the torch by pressing the trigger.
What does the duty cycle mean for this welder?
The duty cycle is the percentage of time you can weld within a 10-minute period. For example, 20% at 100A means weld for 2 minutes, then cool for 8 minutes. Lower current settings allow longer weld times.
How do I adjust the voltage and wire feed speed?
Use the Voltage Control Dial to adjust arc voltage and the Feed Rate Control Dial to adjust wire speed. Refer to the welding settings chart in the manual based on material thickness. Always test on scrap first.
What protective gear should I wear when welding?
Always wear a welding helmet with proper filter lens, welding gloves, fire-resistant overalls buttoned at wrists and neck, closed-toe shoes, and a leather apron. Use a fume extractor in confined areas.
Why does the welder shut off during use?
The thermal overload protection activates when internal temperature exceeds safe limits. The Thermal Overload LED will illuminate. Do not turn off the welder; the fan will cool it down. Wait until the light goes out (up to 10 minutes) before resuming.
How do I clean and maintain the Ozito IMW-100?
Disconnect from power before cleaning. Wipe the exterior with a damp cloth and mild soap. Do not use solvents. Keep ventilation slots free of dust. Store in a dry place. Have a certified electrician replace damaged cords.
Can I weld aluminum with this welder?
Yes, but only with aluminum flux-cored wire. Thoroughly clean the workpiece with a stainless steel brush to remove oxides. Use appropriate settings and test on scrap. Additional heat sinks may be needed for thicker material.
What is the warranty period and what does it cover?
The welder comes with a 3-year replacement warranty for DIY use only. It covers defects in materials and workmanship. Consumable parts like torch tips and wire are excluded. Keep your purchase receipt and contact Ozito customer service.
Where can I get spare parts for this welder?
Spare parts can be ordered from the Special Orders Desk at Bunnings Warehouse or directly from Ozito by calling 1800 069 486 (Australia) or 0508 069 486 (New Zealand). Visit www.ozito.com.au for more information.

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Download the instructions for your Welding machine in PDF format for free! Find your manual IMW-100 - Ozito and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. IMW-100 by Ozito.

USER MANUAL IMW-100 Ozito

Welding Current: 30 - 100A (15.5 - 19V)

Welding Wire Size: 0.8 / 0.9mm (Flux-Cored)

Wire Feed Speeds: 1.6 - 5.0m/min

Max. Wire Spool Weight: 1kg

IP Rating: IP21S

Weight: 6.2kg

* Additional specifications provided under equipment classification.

ozito.com.au

3 YEAR REPLACEMENT WARRANTY*

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STANDARD EQUIPMENT
Ozito IMW-100 - 2

natural_image Line drawing of a portable electronic device with cables and ports (no text or symbols)

Self Shielded Flux Cored Inverter Arc Welder
Ozito IMW-100 - 3
0.9mm Torch Tip, Spare Shroud & Chipping Hammer/Wire Brush

Ozito IMW-100 - 4

natural_image Technical line drawing of a mechanical device with exploded view and component detail (no text or symbols)

Handle, Welding Mask, Lens Assembly & Fasteners

IMW-100

WARRANTY

IN ORDER TO MAKE A CLAIM UNDER THIS WARRANTY YOU MUST RETURN THE PRODUCT TO YOUR NEAREST BUNNINGS WAREHOUSE WITH YOUR BUNNINGS REGISTER RECEIPT. PRIOR TO RETURNING YOUR PRODUCT FOR WARRANTY PLEASE TELEPHONE OUR CUSTOMER SERVICE HELPLINE:

Australia: 1800 069 486

New Zealand: 0508 069 486

TO ENSURE A SPEEDY RESPONSE PLEASE HAVE THE MODEL NUMBER AND DATE OF PURCHASE AVAILABLE. A CUSTOMER SERVICE REPRESENTATIVE WILL TAKE YOUR CALL AND ANSWER ANY QUESTIONS YOU MAY HAVE RELATING TO THE WARRANTY POLICY OR PROCEDURE.

The benefits provided under this warranty are in addition to other rights and remedies which are available to you at law.

Our goods come with guarantees that cannot be excluded at law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Generally you will be responsible for all costs associated with a claim under this warranty, however, where you have suffered any additional direct loss as a result of a defective product you may be able to claim such expenses by contacting our customer service helpline above.

3 YEAR REPLACEMENT WARRANTY\*

Your product is guaranteed for a period of 36 months from the original date of purchase. If a product is defective it will be replaced in accordance with the terms of this warranty. Warranty excludes consumable parts, for example: valve adapters and accessories.

*This product is intended for DIY use only and replacement warranty covers domestic use.

WARNING

The following actions will result in the warranty being void.

  • If the tool has been operated on a supply voltage other than that specified on the tool.
  • If the tool shows signs of damage or defects caused by or resulting from abuse, accidents or alterations.
  • Failure to perform maintenance as set out within the instruction manual.
  • If the tool is disassembled or tampered with in any way.
    • Professional, industrial or high frequency use.

KNOW YOUR PRODUCT

SELF SHIELDED FLUX CORED INVERTER ARC WELDER

  1. On/Off Switch

  2. Feed Rate Control Dial

  3. AC Power Cord

  4. Torch

  5. Power ON LED

  6. Earth Clamp

  7. Thermal Overload LED

  8. Torch Tip

  9. Voltage Control Dial

  10. Torch Shroud

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AC 240V ~ 50Hz Ozito 100A Ultrasonic RNG DELCK OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO OZITO

ONLINE MANUAL

Scan this QR Code with your mobile device to take you to the online manual.

Ozito IMW-100 - ONLINE MANUAL - 1

YEAR REPLACEMENT WARRANTY*

Ozito IMW-100 - ONLINE MANUAL - 2

SETUP & PREPARATION

1. BEFORE STARTING

Safety Precautions

- Read all safety warnings and all instructions before use. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

- Always wear appropriate protective equipment when welding. These include: welding helmets, overalls, welding gloves, closed shoes, leather apron, sock protectors. Overalls should be of the type designed to be buttoned at the wrists and the neck.

- Remove loose clothing and accessories and ensure any loose hair is tied up or tucked away.

- Toxic gases are given off during the welding process, which may collect in the welding area. Always ensure to weld in a well-ventilated area and use a fume extractor when required.

- The electric arc generated by the welding process gives direct heat and ultraviolet radiation. It is essential that the eyes of the operator and any bystanders are protected from the glare during welding. ALWAYS use a face shield or welding helmets fitted with the correct glass filter.

- Inspect the welder, welding torch and all connecting wires for damage / worn insulation before each use and if any damage is found, replace the damaged parts before use.

- Parts of the welding torch and welding material can be extremely hot immediately after welding. Wait for the electrode and the material to cool down before handling and always ensure welding gloves are worn when handling hot materials.

Ozito IMW-100 - Safety Precautions - 1

WARNING! ENSURE ALL OIL, PETROL AND FLAMMABLE CONTAINERS HAVE BEEN REMOVED FROM THE WELDING AREA.

2. ASSEMBLY 3. SETTING UP THE WELDING WIRE

Ozito IMW-100 - ASSEMBLY 3. SETTING UP THE WELDING WIRE - 1

WARNING! ENSURE THE TOOL IS TURNED OFF AND DISCONNECTED FROM THE POWER SUPPLY BEFORE PERFORMING ANY OF THE FOLLOWING OPERATIONS.

Assembling The Welding Mask

The included welding mask must be fitted with the lens assembly and handle before using it for welding.

  1. Push the plastic pins into the mask from the outside and secure it with the retaining clips from the inside of the mask. Rotate the retaining clips so that the lens assembly can be inserted.

Ozito IMW-100 - Assembling The Welding Mask - 1

natural_image Diagram of a vehicle interior with two red arrows pointing to specific components (no text or labels)
  1. Insert the clear glass into the recess of the welding mask, then the dark safety glass and finally the plastic lens frame.

Ozito IMW-100 - Assembling The Welding Mask - 2

natural_image Technical line drawing of a mechanical assembly with no visible text or symbols
  1. Rotate the retaining clips to lock the lens assembly in place.

Ozito IMW-100 - Assembling The Welding Mask - 3

natural_image Top-down diagram of a mechanical component with a red circle highlighting a specific area (no text or symbols present)
  1. Bend the sides and top of the welding mask inwards and clip it together at the corners.

Ozito IMW-100 - Assembling The Welding Mask - 4

natural_image 3D diagram of a vehicle chassis with red directional arrows indicating rotation (no text or symbols)
  1. Insert the 3 screws into the handle mounting holes from the outside. Fit the handle onto the screws on the inside of the mask and secure them using the 3 nuts.

Ozito IMW-100 - Assembling The Welding Mask - 5

natural_image Technical line drawing of a vehicle interior showing a cylindrical component and labeled parts (no text or symbols)

Ozito IMW-100 - Assembling The Welding Mask - 6

WARNING! ALWAYS ENSURE THE WELDER IS SWITCHED OFF WHEN REPLACING THE WELDING WIRE &/OR MAKING ADJUSTMENTS TO THE WIRE DRIVE SYSTEM.

Installing A Wire Spool

The welder can be fitted with 0.8mm or 0.9mm gasless welding wire. Welding wire up to 1kg can be fitted to this welder.

  1. Push the latch towards the back of the welder unit and lift the top cover.

Ozito IMW-100 - Installing A Wire Spool - 1

  1. Undo the spool nut then remove the spring and spool plate.

Ozito IMW-100 - Installing A Wire Spool - 2

natural_image Diagram showing a circular component with red arrows and a mechanical tool (no text or symbols)

Note: Before first use, be sure to remove all the packaging from the included wire spool.

Ozito IMW-100 - Installing A Wire Spool - 3

WARNING! DO NOT PULL THE END OF THE WIRE FREE UNTIL YOU ARE READY TO THREAD THE MACHINE. THE SPOOL IS COILED UNDER TENSION AND WILL UNWIND IF RELEASED WHICH MAY CAUSE TANGLING & WIRE FEED ISSUES DURING USE.

  1. Place the spool onto the spindle so that the wire unwinds in an anti-clockwise direction.

Ozito IMW-100 - Installing A Wire Spool - 4

natural_image Diagram showing a circular object with red arrows and a mechanical device (no text or symbols)
  1. Replace the spool plate and spring, then lock it in place with the spool nut.

Ozito IMW-100 - Installing A Wire Spool - 5

natural_image Diagram showing a circular component with red internal lines and a seated figure in a chair (no text or symbols)
  1. Flip the tension adjustor bar up and swing the pressure arm away from the roller guide.

a b

  1. While maintaining a firm hold of the wire end, pull it free of the spool and thread it through the feed tube and into the cable housing.

Ozito IMW-100 - Installing A Wire Spool - 7

natural_image Mechanical assembly diagram showing a component with a red circle highlighting a specific area (no text or symbols present)
  1. Rotate the pressure arm back into place and flip the tension adjustor bar back to lock it in place.

Diagram of a mechanical device with labeled parts a and b, showing internal components and directional arrows.

Ozito IMW-100 - Installing A Wire Spool - 9

WARNING! THE POWER SUPPLY FOR THIS PRODUCT SHOULD BE PROTECTED BY A RESIDUAL CURRENT DEVICE (RATED AT 30mA OR LESS). A RESIDUAL CURRENT DEVICE REDUCES THE RISK OF ELECTRIC SHOCK.

Loading The Torch

  1. Twist the shroud clockwise and pull it off the torch, then unscrew the torch tip.

Ozito IMW-100 - Loading The Torch - 1

natural_image Diagram showing a connector with red arrows indicating rotation and movement, no text or symbols present

Note: The 0.8mm

torch tip is fitted by default. Swap it for the included 0.9mm tip if different welding wire is used instead.

  1. Place the earth clamp out of the way, away from the torch and welder unit on a non-conductive surface such as a wooden workbench.

Ozito IMW-100 - Loading The Torch - 2

natural_image Diagram showing a cable being inserted into a device with a connector (no text or symbols visible)

Ozito IMW-100 - Loading The Torch - 3

WARNING! ENSURE THAT YOU DO NOT MAKE CONTACT WITH THE EARTH CLAMP AT ANY STAGE WHEN FEEDING THE WIRE THROUGH THE TORCH. THE ELECTRODE WIRE WILL BE AT WELDING VOLTAGE WHilst IT IS FED THROUGH. KEEP THE TORCH AWAY FROM YOUR EYES & FACE.

  1. Plug the power cord into a power supply and flip the on/off switch to the on position.

AL PRESS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

  1. Ensure the torch lead is straight as you depress the trigger to feed the wire through.

Diagram showing two cable or wire configurations with red arrows indicating direction and a red X mark highlighting a specific point.

  1. Once the wire protrudes from the end of the torch, release the trigger.

1777 1778

  1. Hold the torch 2 to 3 inches away from a non-conductive hard surface and depress the trigger.

If the wire stops against the surface without bending, switch off the welder and tighten the feed tensioner slightly by turning it clockwise.

Ozito IMW-100 - Loading The Torch - 7

natural_image Diagram of a mechanical device with a rotating knob and connecting rod (no text or symbols)
  1. The tension is correctly set if the wire fed through the torch bends when it encounters the hard surface. Repeat step 6 until this happens.

Ozito IMW-100 - Loading The Torch - 8

natural_image Illustration of a hand holding a pen with a red circle highlighting a curved object (no text or symbols)
  1. Switch the welder off.

AC/PM20 1 0 R

  1. Fit the appropriate torch tip by screwing it on clockwise. Push and twist the shroud clockwise as well to fit it on the torch.

Diagram showing a mechanical component being inserted into a threaded rod, with red arrows indicating motion direction.

Ozito IMW-100 - Loading The Torch - 11

WARNING! ONLY USE THE 0.8MM TIP WITH 0.8MM WELDING WIRE OR THE 0.9MM TIP WITH 0.9MM WIRE. INCORRECT TIP USAGE CAN CAUSE SPOOLING ISSUES & DAMAGE THE MACHINE.

  1. Leave 10mm protruding from the end of the torch and cut off any excess welding wire.

Ozito IMW-100 - Loading The Torch - 12

natural_image Illustration of a hand holding a pen or probe with a red arrow pointing to the tip (no text or symbols present)

Note: Do not cut the wire at an angle. The end of the welding wire should be flat and have no burrs or sharp edges. File down the end or cut it again if necessary.

Welding Wire Settings Selection

There are many variables that you will need to take into account when choosing your welding wire size and type. Below are some of the factors that should be considered:

  • Type & thickness of the material to be welded
  • Position and type of welding joint
    • Maximum welding capacity of your welder
  • How much penetration will be required for strength
    • Type of bead desired for the weld
  • Whether you are using a shielding gas or not
WIRE DIAMETERSUGGESTED SETTINGSSTEEL THICKNESS (MM)
1.2 1.5 2.0 3.0
0.8mmVoltage 1-2 2-3 4-6 7-10
Wire Speed 1-2 2-3 4-7 8-10
0.9mmVoltage - 1-2 3-6 7-10
Wire Speed - 4-5 5-6 6-7

Note: The above chart is only intended as a general guide. Proper welding will also depend on how close the torch is held to the material and the speed it is moved along the weld. Always test new settings on a scrap piece of material first. Proper welding takes good technique and practice.

Aluminium Welding

For aluminium welding, aluminium wire must be used. The workpiece must be thoroughly cleaned with a stainless steel wire brush to remove oxides and impurities from the weld surface.

Depending on the thickness of the workpiece, it also may require additional heat sinks to be attached to the workpiece. Ensure proper tip-to-work distance to prevent wire burning back to the contact tip.

4. CONTROLS

Ozito IMW-100 - CONTROLS - 1

WARNING! ENSURE APPROVED PROTECTIVE CLOTHING & A WELDING HELMET/MASK IS WORN AT ALL TIMES TO PROTECT YOUR FACE & EYES FROM ARC UV RADIATION & SPARKS.

ON/Off Switch

The on/off switch is located on the rear of the welder.

  1. Press the on/off switch into the on position 'I' to switch the unit on.

AF PARTS 1 0

  1. To switch the unit off, press the switch to the '0' position.

Note: Check the rating of the circuit breaker on the supply and other appliances connected to the circuit. The welder is a high powered device and it is recommended that it is the only appliance on the circuit to ensure it has enough power to operate.

Note: If a 15A circuit is available, it is recommended that the welder be connected to this.

Ozito IMW-100 - ON/Off Switch - 2

WARNING! DO NOT LEAVE THE SWITCH IN THE ON POSITION WHEN THE UNIT IS NOT IN USE AS THIS POSES THE RISK OF ELECTROCUTION OR ACCIDENTS HAPPENING FOR THE NEXT USER.

Wire Feed Speed

The wire feed speed should be adjusted to suit the application and material being welded. Refer to the Welding Wire Settings Selection Table as a guide.

Note: Always test settings on a scrap piece of material first.

ozito 100A RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 RAN 250 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800Ω 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 800μF 80

Variable Voltage

The voltage should be set according to the application, material being welded and wire feed speed.

  1. The voltage can be increased or decreased by turning the voltage control dial.

ozito VOLTAGE MAX MAX POWER Schematic MAX 100A UBEATER MNG UBEER

Ozito IMW-100 - Variable Voltage - 2

WARNING! IF THE WELDER OVERHEATS & THE THERMAL OVERLOAD PROTECTION ENGAGES, DO NOT TURN OFF THE WELDER AS THE FAN WILL ASSIST IN SPEEDING UP THE COOLING TIME.

Ozito IMW-100 - Variable Voltage - 3

WARNING! ENSURE THE CLAMP & THE TORCH IS AWAY FROM THE WELDING MATERIAL & PLACED ON A NON-CONDUCTIVE SURFACE WHILE THE OVERLOAD PROTECTION IS ENGAGED.

Power LED Light

  1. The ON LED illuminates when the power cord is connected to a live mains outlet and the on/off switch is in the on position.

Note: The cooling fan will operate when the unit is switched on.

ozilo 100A ROLLAR FING WELDER

Thermal Overload Protection

All Welders have a feature called a duty cycle. Duty cycle on a welder refers to the time in which the welder operates during normal welding. A welder can only weld for a certain continuous period of time before it requires to cool down.

If the internal components of the welder should become hot the welder could overheat. If the welder overheats the Thermal Overload Protection feature will automatically shut down the welder.

THIS CAN OCCUR IN HEAVY USE AND DOES NOT INDICATE A FAULT.

The Welder will cease to weld and the Thermal Overload LED light will turn on. This LED indication light is just to inform you that your welder is becoming too hot and requires a cool down to protect the internal components of the welder.

VOLTAGE NH MAX THERMAL OVERLOAD A MAX VOLTAGE TO OCA COMA

Do Not turn your welder Off as the welder has an internal cooling fan and this will assist your welder to cool down quicker. Reducing the cooling time will enable you to get back to your welding job quicker.

Depending on how many Amps or how heavy the welding you are doing the cooling time may take up to 10 minutes for your welder cool down so you can return to your welding job.

Duty cycle % as referenced on the rating label are based on 10 minute intervals. For instance with a 20% duty cycle, one can weld continuously for 2 minutes, but then must wait 8 minutes for the welder to cool.

Lower current levels have longer duty cycles.

6. WELDING5. INDICATOR LEDS

Welding

  1. Ensure that the workpiece is clamped down securely, is cleaned and prepared for welding.
  2. Attach the earth clamp to the workpiece ensuring there is good metal to metal contact.

Ozito IMW-100 - Welding - 1

natural_image Simple line drawing of a tool interacting with a rectangular object (no text or symbols)

Note: Prior to connecting the earth clamp it may be

necessary to clean the surface of the work piece using the metal brush. Clamp it where it will not be in the way. This clamp provides an earth connection back to the welder.

  1. Switch the welder on and position the welding mask in front of your eyes.

Ozito IMW-100 - Welding - 2

  1. Position the wire tip approximately 8mm from the workpiece at a 20° angle from the vertical in the direction of movement.

20° 8mm

Note: Leaving a 10mm length of protruding wire and holding the torch so that the wire touches the workpiece is a good way to estimate the proper placement.

  1. Squeeze the torch trigger to start the weld.

Ozito IMW-100 - Welding - 4

Welding Tips

Travel Speed

There are a range of welding movements used in welding. Generally some form of zig-zag motion is used to ensure the arc acts against both sheets to be welded.

The torch should be moved along at a smooth speed that will give the size of run required. At the same time, the wire is fed downwards to keep the correct welding distance at all times. Excessive travel speeds lead to poor fusion and lack of penetration. While too slow a rate of travel may damage the work piece and can lead to burning a hole through the material.

Electricity

The electricity flows through the wire and will not leave the wire unless it is near an earthed object. Electricity always finds the fastest path to the earth. When the earth cable clamp is connected to the metal work piece a direct earth connection is created back to the welder. When the wire touches or is near the earthed work piece when the trigger is squeezed, electricity flows through the wire, the metal work piece and then through the earth cable straight back to the welder.

7. TROUBLESHOOTING

Ozito IMW-100 - TROUBLESHOOTING - 1

WARNING! THE WELDER SHOULD ONLY BE SERVICED BY QUALIFIED PERSONNEL.

SymptomPossible CauseSuggested Solution
No PowerOn/off switch is offCheck on/off switch is in the on position.
Power supply faultTest power supply with another product, avoid using extension leads.
Circuit breaker trippedCheck the rating of the circuit breaker on the supply and other appliances connected to the circuit.The welder is a high power device and it is recommended that it is the only appliance on the circuit to ensure it has enough power to operate.
Difficulty starting arcInadequate earth clamp connectionCheck earth clamp has good connection to material being welded. Surface for clamp connections needs to be bare metal, remove rust or paint.
Welding techniqueHold torch at correct angle, practice on scrap material.
Welder cuts outThermal overload activeThe thermal overload light will light up and the welder will not operate until cooled down and the light goes out. This is normal in heavy welding, allow the unit to cool down.
Sticking wireIncorrect settingsIncrease voltage & wire feed speed to recommended setting.
Coated work pieceClean weld area to bare metal.
Incorrect wire type/ sizeCheck that the wire type and size is appropriate for the material being welded.
Excessive welding wire consumptionWelding voltage too highReduce voltage.
Wire size too small for materialChange to larger wire size.

DESCRIPTION OF SYMBOLS

VVoltsHzHertz
~Alternating Current Direct Current (DC)Ipeak
/minRevolutions or reciprocations per minuteIpeakWatts
DiameterUNon-load voltage
U_1 Rated input voltageIpeakOn-load voltage
I_1max Rated maximum input currentIpeakTMaximum effective input current
I_2 Current ratingIpeakLoad duration rate
IPProtection classIpeakUsed in an environment that has high risk of electric shock
1~50HzSingle phase AV power & rated frequencyIpeakTSelf shielded flux cored arc welding
IpeakT
Wear coverallsIpeakTWear appropriate face shield
Wear close-toed shoes Wear weldingIpeakT
Regulatory Compliance Mark (RCM)IpeakTWarning
HInsulation gradeIpeakTDo not operate in rain
Read Instruction Manual
1~F1F2Single phase transformer - rectifier

SPARE PARTS

Spare parts can be ordered from the Special Orders Desk at your local Bunnings Warehouse.

For further information, or any parts not listed here, visit

www.ozito.com.au or contact Ozito Customer Service:

Australia 1800 069 486 New Zealand 0508 069 486

E-mail: enquiries@ozito.com.au

EQUIPMENT CLASSIFICATION

Additional Specifications

Duty Cycle: 20% @100A (19V DC)

60% @58A (16.9V DC)

100% @45A (16.3V DC)

The duty cycle was determined at 40°C by simulation.

l,max: 15.0A

I_1 eff: 6.7A

Welder Characteristics: Constant Voltage-Flat Characteristic

Carrying Method: Strap

Cooling System: Fan Cooling

Heating tests were conducted at ambient temperature.

Power Cable: 3 x 1.5-2mm ^2

Welding Cable: 1 x 10mm ^2

Recommended External Fuse: 16A.

This product is classified as Group 2, Class A welding equipment.

  • Group 2 - This product generates radio frequency energy in the frequency range 9KHz to 400GHz.
  • Class A - This product is intended for use in an industrial environment. Caution: This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception in such environments.

CARING FOR THE ENVIRONMENT

Ozito IMW-100 - CARING FOR THE ENVIRONMENT - 1

Power tools that are no longer usable should not be disposed of with household waste but in an environmentally friendly way. Please recycle where facilities exist. Check with your local council authority for recycling advice.

Ozito IMW-100 - CARING FOR THE ENVIRONMENT - 2

Recycling packaging reduces the need for landfill and raw materials. Reuse of recycled material decreases pollution in the environment.

Please recycle packaging where facilities exist. Check with your local council authority for recycling advice.

ozito

SELF SHIELDED FLUX CORED INVERTER ARC WELDER

100A

MAINTENANCE MANUAL

ozito VOLTAGE VIN MAX THERMAL OVERLOAD ALLOW WELL/UX TO COOL DOOTS FEED RATE VIN MAX 100A INQUATER DIG WELDER

3

YEAR

REPLACEMENT WARRANTY*

IMW-100

CONTENTS

Know Your Product ...... Page 2

Electrical Safety Page 4

General Power Tool Safety Warnings Page 5

Welder Safety Warnings...... Page 7

Circuit Diagram Page 10

Maintenance Page 12

KNOW YOUR PRODUCT

SELF SHIELDED FLUX CORED INVERTER ARC WELDER

  1. On/Off Switch
  2. AC Power Cord
  3. Power ON LED
  4. Thermal Overload LED
  5. Voltage Control Dial
  6. Feed Rate Control Dial
  7. Torch
  8. Earth Clamp
  9. Torch Shroud
  10. Torch Tip

AC POWER ON I 0 OFF 1 2 AC 240V ~ 50Hz

ozito 3 4 VOLTAGE MINIMAX THERMAL OVERLOAD A-LOW WELDER TO COOL DOWN 5 6 100A INVERTER MIG WELDER FEED RATE MINIMAX 7 8 9

ONLINE MANUAL

Scan this QR Code with your mobile device to take you to the online manual.

3 YEAR REPLACEMENT WARRANTY*

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Ozito IMW-100 - ONLINE MANUAL - 2

ELECTRICAL SAFETY

Ozito IMW-100 - ELECTRICAL SAFETY - 1

WARNING! When using mains-powered tools, basic safety precautions, including the following, should always be followed to reduce risk of fire, electric shock, personal injury and material damage.

Read the whole manual carefully and make sure you know how to switch the tool off in an emergency, before operating the tool.

Save these instructions and other documents supplied with this tool for future reference.

This tool has been designed for 230V and 240V only. Always check that the power supply corresponds to the voltage on the rating plate.

Note: The supply of 230V and 240V on Ozito tools are interchangeable for Australia and New Zealand.

Using an Extension Lead

Always use an approved extension lead suitable for the power input of this tool. Before use, inspect the extension lead for signs of damage, wear and ageing. Replace the extension lead if damaged or defective.

When using an extension lead on a reel, always unwind the lead completely. Use of an extension lead not suitable for the power input of the tool or which is damaged or defective may result in a risk of fire and electric shock.

The power supply for this product must be protected by a residual current device (rated at 30mA or less). A residual current device reduces the risk of electric shock.

Ozito IMW-100 - Using an Extension Lead - 1

WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  1. Work area safety

a. Keep work area clean and well lit. Cluttered or dark areas invite accidents.

b. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.

c. Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

  1. Electrical safety

a. Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.

b. Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.

c. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.

d. Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.

e. When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.

  1. Personal safety

a. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.

b. Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.

c. Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.

d. Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.

e. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

f. Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves

away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.

g. If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.
h. Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

  1. Power tool use and care

a. Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.
b. Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
c. Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
d. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
e. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool's operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
f. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
g. Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
h. Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

  1. Service

a. Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

Ozito IMW-100 - Using an Extension Lead - 2

WELDER SAFETY WARNINGS

Ozito IMW-100 - WELDER SAFETY WARNINGS - 1

WARNING! The appliance is not to be used by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction.

Young children should be supervised to ensure that they do not play with the appliance.

Before connecting a tool to a power source (mains switch power point receptacle, outlet, etc.) be sure that the voltage supply is the same as that specified on the nameplate of the tool. A power source with a voltage greater than that specified for the tool can result in serious injury to the user, as well as damage to the tool. If in doubt, do not plug in the tool. Using a power source with a voltage less than the nameplate rating is harmful to the motor.

  • Under no circumstances should the housing of the welder be opened.
  • Never attempt to repair or modify the welder.
  • Screen off the work place to protect others working nearby from UV rays.
  • Do not use the welder in damp or wet conditions.
  • Do not use the welder for pipe thawing.
  • Do not use cables with worn insulation or loose connections.
  • Disconnect from the power supply before replacing welding wire.
  • Avoid direct contact with the welding circuit.

- Never pull on the welding leads or the power cord to move the welder.

- Ensure the welding materials are securely clamped down/fastened before welding.

- Always place welding torch and clamp on flat stable surface when not in use.

- Never put the welding torch down until the welder is switched off.

- Store all spare welding wire in a safe place, away from the welding area.

- Welding materials with contaminated surfaces may generate toxic fumes. Ensure the surface is clean before welding. Avoid operating on materials cleaned with chlorinated solvents or near such solvents.

- Do not weld metal equipment that holds/contains flammable materials, gases or liquid combustibles.

- Zinc-plated or galvanized material should not be welded as the fumes created are highly toxic.

- Do not weld painted / oiled materials. Ensure all welding surfaces are stripped / cleaned down to the bare metal.

- Always check the welding material before welding to see if it the material is compatible with self shielded flux cored arc welding.

- Do not use the welder near food or food preparation areas.

- Do not weld cadmium plated steel. Always check the welding material for control measure before welding

- Use only one welder to weld at all times.

- Only connect the welding machine to an earthed electric network.

- Never touch live parts or the welding rod with wet hands/gloves/clothing.

- Ensure there is a level of insulation (welding mats) between yourself and the ground as well as the workpiece when welding.

- Ensure cables or welding electrode holder are not squashed by heavy objects and that they are not exposed to sharp edges or a hot work piece.

- Turn off the welder when it is not in use.

Important Information about Radio Electromagnetic Compatibility

  • Extra precautions for Electromagnetic Compatibility may be required when this Welding Power Source is used in a domestic situation.
  • It is the user's responsibility to install and use the equipment properly in accordance with the instructions issued by the manufacturer. If electromagnetic disturbances are detected then it shall be the responsibility of the user of the equipment to resolve the situation with the following guidelines.

Precautions to consider in the surrounding area that may cause/be affected by electromagnetic disturbances

  • Other supply cables or signal cables in close proximity to the welding equipment;
    • Radio and television transmitters and receivers;
    • Computer or electronic equipment;
  • Personal medical devices (pacemakers and hearing aids).

Methods of reducing electromagnetic disturbances

  • If interference occurs when the equipment is connected to the mains power supply in a residential (domestic) low voltage power network, an electromagnetic filter may be required.
  • The Welding cables should not be modified and kept as short as possible.
  • Nearby cables and equipment may need to be moved or shielded.

Fumes

  • Toxic gases are given off during the welding process, which may collect in the welding area if the ventilation is poor. Be alert at all times to the possibility of fume build-up.
  • Provide adequate ventilation or a means for removal of the welding fumes produced (forced circulation using a blower or fan). In small or confined areas use a fume extractor.

Glare

  • The electric arc generated by the process gives direct heat and ultraviolet radiation. It is essential that the eyes of the operator and bystanders are protected from the glare during welding.
  • ALWAYS USE A FACESHIELD OR WELDING HELMET FITTED WITH THE CORRECT GLASS FILTER.

Position and Handling

  • Position the welding machine on a horizontal surface that is able to support the weight: otherwise (e.g. inclined or uneven floors etc.) there is danger of overturning.
  • The welder MUST NOT be supported by the operator (e.g using belts). The operator MUST NOT BE ALLOWED to weld in raised positions unless safety platforms are used.
  • Do not weld materials in overhead positions.

Heat

- It is desirable that welding gloves are worn whilst welding. They will protect the hands from ultraviolet radiation and direct heat of the arc.

Dress

- In addition to face shield, welding gloves and overalls, other types of protective clothing should be worn when welding. Additional protective clothing such as a leather apron, sock protectors and a hat

will all assist in reducing any injuries due to heat, sparks and slag produced during welding.

  • OVERALLS should also be worn. They should be of type designed to be buttoned at the wrists and the neck.
  • Avoid exposing skin as UV rays are produced by the arc.

Spatter and fire

  • Welding spark may cause accidental fire, please make sure that there is no welding working position nearby the welding working position, equip with the fire extinguisher all around.
  • Welding is always classified as hot work, so pay attention to fire safety regulations during welding and after it.
  • Remember that fire can break out from sparks even several hours after the welding work is completed.
  • Protect the environment from welding splatter. Remove flammable materials, such as flammable fluids, from the welding vicinity and supply the welding site with adequate fire fighting equipment.
  • In special welding jobs, be prepared for hazards such as fire or explosion when welding container type work pieces.
  • Never direct the spark spray or cutting spray of a grinder toward the welding machine or flammable materials.
  • Beware of hot objects or splatter falling on the machine when working above the machine.
  • Welding in flammable or explosive sites is absolutely forbidden.

CIRCUIT DIAGRAM

EMC AC 230V S1 2C5 2MT2 2C2 2C1 2C4 2MT1 2C3 1C2 1C1 BR AC +DC -DC 310V WR +15V C19 DZ1 CND DZ2 T3 D10 R21 D12 R23 R58 R59 GND D9 26 VGND R7 D7 R20 D6 R22

310V R179 -310V 1 R14 R13 R12 C5 348 C10 D5_1 +12V D13 T6 R10 C12 2 3 12 D32 + - -24V C44 C51 GND C13 N10 COMP VCC VFB SEN RT/CT GND C6 1 R57 R16 VGND R56 C35 VGND VGND R55 R54 DZ9 R52 R29 C4 R51 R52 6 60 D15 R195 C8_1 C37OL1 D3_1 5 D4_1 6* 9 D30' 10 D29 C49C4" Vin GND Vout 3 U5 -15V C48C46 GND D1_2 Vin GND Vout 3 U7 +15V C3_1 GND D5 2 C25_1 C24 2 C25_1 1 2 CN6 1 2 CN7 VGND

Ozito IMW-100 - CIRCUIT DIAGRAM - 3

Ozito IMW-100 - CIRCUIT DIAGRAM - 4

5 6 7 8 R47 R27 DZ5 Q1 C8 D17 R5 C24 DZ6 Q3 C23 DZ4 Q2 C9 D16 R6 T1 GND D3 2 R4 C5 C6 C7 C6 D2 D3 R0 R1 LO1 L+ OUT+ C25 EARTH C24.1 OUT- D8 R61 R26 DZ3 Q3 C23 DZ4 R29 D16 D4 +15V D13A GND R15 R23 6 U2B 7 D12A 3 1 3 11 C40 D14 Q16 R17 R16 +15V R13 GND D7A R12 C11 GND 9 R02 R07 -15V 10 L2C 8 R07 R08 13 L2D 14 R11 D4B 3 D10 C15 R24 GND D15 R22 L2A 1 R20 D4A 3 GND R21 C10 GND +15V R18 R18 +15V R8 GND CN2 GND Q13 GND C39 R44 D37 -24V XN6 VD3 D30 R24 +24V** D31 D28 R24 GND +1.25A L2A 2.7 C27 GND GND GND CTR_BOARD COMP VCC OUT VFB VREF SEA RT/CTG GND C31 L1 6 R29 R28 2 8 GND R26 4 CO8 GND C1 GND R03 R05 R14 GND R07 3MΩ 100-790A D3V 1 GND R04 ERROR PCON2 U+ R37 VR1 C31 U4A 2 -15V 3 +15V 6 U4B 7 R63 D27 C42 FND Q8 R68 C43 GND -15V R68 DZ8 26 C32 CH1 R50 U4A 1 -15V 2 -15V 3 +15V 4 -24V XN6 VD3 D31 D28 R24 GND -15V U4B 7 U4B 6 U4B 5 U4B 4 U4B 3 U4B 2 U4B 1 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 0 U4B 5 U4B 6 U4B 7 U4B 8 U4B 9 U4B 10 U4B 11 U4B 12 U4B 13 U4B 14 U4B 15 U4B 16 U4B 17 U4B 18 U4B 19 U4B 20 U4B 21 U4B 22 U4B 23 U4B 24 U4B 25 U4B 26 U4B 27 U4B 28 U4B 29 U4B 30 U4B 31 U4B 32 U4B 33 U4B 34 U4B 35 U4B 36 U4B 37 U4B 38 U4B 39 U4B 40 U4B 41 U4B 42 U4B 43 U4B 44 U4B 45 U4B 46 U4B 47 U4B 48 U4B 49 U4B 50 U4B 51 U4B 52 U4B 53 U4B 54 U4B 55 U4B 56 U4B 57 U4B 58 U4B 59 U4B 60 U4B 61 U4B 62 U4B 63 U4B 64 U4B 65 U4B 66 U4B 67 U4B 68 U4B 69 U4B 70 U4B 71 U4B 72 U4B 73 U4B 74 U4B 75 U4B 76 U4B 77 U4B 78 U4B 79 U4B 80 U4B

Ozito IMW-100 - CIRCUIT DIAGRAM - 6

WARNING! BEFORE CLEANING THE APPLIANCE OR CARRYING OUT ANY MAINTENANCE PROCEDURE, MAKE SURE THAT IT IS DISCONNECTED FROM THE POWER SUPPLY TO PREVENT ACCIDENTAL STARTING.

Cleaning

  1. We recommend that you clean the appliance immediately after you use it.
  2. Keep the safety devices free of dirt and dust as much as possible. Wipe the equipment with a clean cloth.
  3. Clean the appliance regularly with a damp cloth and some soft soap. Do not use cleaning agents or solvents; these may be aggressive to the plastic parts in the appliance. Ensure that no water can get into the interior of the appliance.

Storage

Pull the mains plug out of the socket, switch off the tool and make sure that it is secured in such a way that it cannot be started up again by any unauthorised person.

Store the tool in a dry location which is not accessible to unauthorised persons.

Supply Cords

If replacement of the supply cord is necessary, this has to be done by a certified electrician in order to avoid a safety hazard.

Note: Ozito Industries will not be responsible for any damage or injuries caused by the repair of the tool by an unauthorised person or by mishandling of the tool.

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Product information

Brand : Ozito

Model : IMW-100

Category : Welding machine