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6.2.    

SYSTEM  PROTECTION

  

A thermostat is built into the system to protect against overheating. The thermostat indicator light (fig 10) comes on when overheating  

 

  occurs and cuts off the power supply. It will reset automatically within a few minutes, after cooling down.

7.  MAINTENANCE

 

‰

  

WARNING!

 Disconnect from mains power supply before performing any maintenance.

7.1.    

WIRE FEED UNIT

7.1.1. 

  

Check the wire feed unit at regular intervals. The feed roller wire guide plays an important part in obtaining consistent welding results.  

 

Poor wire feed affects welding quality. Clean the rollers weekly removing all dust deposits.

7.2. 

  

TORCH

7.2.1. 

  

Protect the torch cable assembly from mechanical wear. Clean the liner from the machine forwards with compressed air. Replace the  

 

liner if it becomes clogged.

7.3. 

  

FEED ROLLER REPLACEMENT

7.3.1. 

  

See section 5.4.

7.4. 

  

CONTACT TIP

7.4.1. 

  

The contact tip is a consumable item and must be replaced when the hole becomes enlarged or oval. The contact tip must be kept    

 

free from spatter to ensure an unimpeded flow of gas.

7.5. 

  

GAS CUP

7.5.1. 

  

The gas cup must also be kept clean and free from spatter. Build up of spatter inside the gas cup can cause a short circuit at the  

 

 

contact tip which will result in either the fuse blowing on the printed circuit card, or expensive machine repairs.

 

  To keep the contact tip free from spatter, we recommend the use of Sealey anti-spatter spray (MIG/722307) available from your  

 

 

  Sealey stockist.

7.6. 

  

REPLACING THE LINER

7.6.1. 

  

Wind the wire back onto the spool and secure.

7.6.2. 

  

Remove the four screws securing the torch cable clamp to the wire feed unit and remove the clamp (fig 12).

7.6.3. 

  

Undo the torch case and pull the wire liner from insulation block (fig 13).

7.6.4. 

  

Pull out the liner from the torch cable.

7.6.5. 

  

Insert the replacement liner.

  

NOTE:

 Ensure that the liner is fully inserted into the torch insulation block.

7.6.6. 

  

Reassemble the torch.

7.6.7. 

  

Trim the other end of the liner as close to the feed roller as possible.

7.6.8. 

  

Reattach the torch cable clamp.

7.6.9. 

  

Feed the wire through the torch. See section 5.2.

Minimig100  Issue 1 23/05/22

Original Language Version

© Jack Sealey Limited

Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR

 01284 757500 

 01284 703534 

 [email protected] 

 www.sealey.co.uk

ENVIRONMENT PROTECTION

Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to 
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely 
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids 
according to local regulations.

Note

: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts 

without prior notice.

Important

: No Liability is accepted for incorrect use of this product.

Warranty

: Guarantee is 12 months from purchase date, proof of which is required for any claim.

 fig.13

 fig.12

WEEE REGULATIONS

Dispose of this product at the end of its working life in compliance with the EU Directive on Waste Electrical and Electronic Equipment 
(WEEE). When the product is no longer required, it must be disposed of in an environmentally protective way. Contact your local solid 
waste authority for recycling information.

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Summary of Contents for MINIMIG100

Page 1: ...e Inspect power connections to ensure that none is loose IMPORTANT Ensure the voltage marked on the product is the same as the electrical power supply to be used and check that plugs are fitted with the correct capacity fuse A 13 amp plug may require a fuse smaller than 13 amps for certain products see fuse rating at right 8 DO NOT pull or carry the powered appliance by its power supply lead 8 DO ...

Page 2: ...r 8 DO NOT touch any live metal parts of the torch or electrode while the welding set is switched on 8 DO NOT pull the welding set by the cable or the torch Protect cables from sharp or abrasive items DO NOT bend strain or stand on cables or leads 9 Protect from heat Long lengths of slack must be gathered and neatly coiled DO NOT place cables where they endanger others 8 DO NOT touch the torch or ...

Page 3: ... 3 5 1 2 Unscrew and remove the star knob spring and retaining disc fig 3 and place to one side 5 1 3 Slide the wire reel onto the reel holder fig 4 5 1 4 Reattach the star knob spring and retaining disc and fully tighten fig 4 8 DO NOT over tighten 5 1 5 Ensure that the wire is spooling off from the bottom of the wire reel in the direction of the wire drive unit fig 4 5 2 FEEDING THE WIRE THROUGH...

Page 4: ...ch tension will cause problematic wire feed and poor weld quality 5 3 2 Tension between rollers is checked by slowing down the wire between your gloved fingers If the top feed rollers skid the tension is correct Use as low a tension as possible too high a tension will deform wire and result in a blown fuse on the printed circuit board Adjust tension by turning the pressure knob fig 4 5 4 TURNING C...

Page 5: ...remove the clamp fig 12 7 6 3 Undo the torch case and pull the wire liner from insulation block fig 13 7 6 4 Pull out the liner from the torch cable 7 6 5 Insert the replacement liner NOTE Ensure that the liner is fully inserted into the torch insulation block 7 6 6 Reassemble the torch 7 6 7 Trim the other end of the liner as close to the feed roller as possible 7 6 8 Reattach the torch cable cla...

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