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18th October 2014, 08:57 AM #1
New Member
- Join Date
- Nov 2003
- Location
- Adelaide
- Posts
- 5
Removing seized feed roller on WIA Weldmatic 150S?
Hello to all. I have acquired a WIA Weldmatic 150S MIG welder. It is in good servicable condition, apart from one problem. It is fitted with a 0.6mm feed roller that I want to change out for a 0.9mm roller but I just can't get the existing 0.6mm roller off its spindle. I suspect that over time it has seized onto the spindle. Has anyone had such a problem? I was thinking I could use a small gear puller and a tapping hammer to try and release it from its spindle. Any thoughts or suggestions would be appreciated. Cheers!
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18th October 2014, 12:47 PM #2
Philomath in training
- Join Date
- Oct 2011
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- Adelaide
- Age
- 59
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- 3,148
I'd probably try a bearing or gear puller first too. I think the wheel is plastic? I might try some gentle heat but you'd have to be careful you did not damage anything.
Michael
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18th October 2014, 03:38 PM #3
GOLD MEMBER
- Join Date
- Sep 2010
- Location
- Lebrina
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- 1,099
If they are anything like the wire feed on the WIA 205, then they are a cantankerous little beast!
We had one at a previous employer and the woodruff key in the shaft used to move and act like a cam lock. I would start by a good application of penetrating oil of your choice and then a small gear puller if it will fit. Failing that, a pry bar of large screw driver to apply leverage and a few smart raps with a hammer to hopefully break things loose. If your key is cam locking as I described, you will need to persevere and work things back and forwards until you get the roller off.
Be careful using heat. Lots of bad things could easily happen.
