Welding Chainsaws.

I have never posted any of this here before. I used to do some welding on broken pieces of chainsaws. Sometimes it was on hard to find parts and sometimes it was just to save money.

This was a Poulan 8500 crank case that had been cut at one time for a bow saw and had been broken by a thrown chain.

 

This here is a Poulan 3700 Handle that was broken.

 

Poulan Tim Allen 3750 that had been cut for a bow saw. Why I do not know but someone did it at one time.

 

What kind of material is it? What kind of contraption are you using to weld with?

 

I have a lot more that I have done as examples over the years but you get the idea that almost any of the Mag on these saws can be repaired. There does come a point though on some parts that are better off replaced only because of the time it takes for the welding and shaping.

 

So Magnesium?

 

Miller Tig welder is the contraption and chainsaws are usually cast magnesium. The rod is AZ92A.

 

Your to fast for me stuckinthemuck.

 

Looks good. Thanks for sharing. I'm one who prefers to repair rather than replace. Just seems like a waste to throw some stuff away...

 

Just one more set of pictures. This was on a Homelite that was scarce and the owner had asked if I would weld it.

 

username checks out! That is some good looking work.

 

Here is a pic of the Tim Allen 3750 the one I showed being welded up from a bow saw. This was out cutting some firewood. Because I split the case to weld it so I replaced the bearings, and the seals at the same time. I also found a new top cover for it too. The saw is 60cc and it turned out great.

 

Thanks Eric. I think you might have seen some of those pics before.

 

Beautiful work Mag Craft that definitely takes some skill!

 

Any post weld heat treatment?

 

Nope. I never pre heat and or post heat the item I am welding on to prevent cracking. Most of this stuff is pretty thin and have never really had a problem.

I will put out a disclaimer though. I am not a professional welder and have taught my self to weld on magnesium and on chainsaw parts to be specific. So it be might recommended professionally to preheat or post heat, I just do not do it.

 

I think I would make a spike that fits the bar studs and when you tighten down the nuts it holds it in place. What is the clutch cover on a 445 made from. Is it the same as a 455 rancher.

If the clutch cover is mag then yes it is doable.