Yet another guy tries to fix his Sieg SX2 looseness

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MetalMuncher:
I like this current idea, but I am wondering about trying to bend 3/8 plate. Might be difficult unless you have a very large vise.

superc:
LoL. I wouldn't do that by hand. I have an Oxy Acetylene rig in the shed out back. Okay, I confess, because the groundhogs keep getting in there and knocking stuff over, I swapped out the Acetylene for Oxy MAPP and the correct hoses, but really I never noticed any difference in performance. If I put the big rosebud on that plate it will wilt like ice cream on a July day. So I would envision just stick about 13" of one end off the edge of some bricks or similar. Then hit with the heat at the edge of the fold. Maybe gently push with the big hammer when it turns brite yellow (should be beginning to droop by then anyway) before it moves on to white. That's how I would do it anyway.

I have a fair amount of 60+ year old farm and agriculture equipment that take down for parts replacement is specifically intended by the manufacturer to require a torch. Quite simply the stuff was made with no other way to disassemble it but heat it with a torch until it grows soft, then fold the iron back and swap out your parts, then reheat it and fold the iron cover back over. Tillers and gear housings and stuff like that.

MetalMuncher:
"If it works, it's good" definitely applies here. :) Can you get a fairly sharp bend in something this thick?

Why did your groundhogs prefer Acetylene over MAPP? lol

I'm picturing a groundhog with a buzz from the gas. Funny. :)

superc:
:smart:

This is a knowledge thing I guess and a classic example of how what you don't know can..,

Acetylene tanks don't like being toppled over. NOT AT ALL. You can't even safely gently lay them on their side. Loosely summed up sometimes really big bangs can happen either way. If the tank is with an Oxygen tank and the bang happens, then you get a really, really, really big bang.

I had it bungy corded to the wall but it seems the groundhogs bevered their way through the wood floor right there and dropped the tank in the process. I was lucky I guess, but I also took the hint. Mapp, a propane derivative, doesn't much care what position you store the bottle in. Yes it is 4 times as costly, introduces Hydrogen which can make large steel welds brittle, and it burns a few degrees cooler (5300° F vs the 6000° F of Acetylene) but the melting point of steel is only 2600 - 2800° F, so who cares? Also dropped Mapp gas tanks do not leave a smouldering crater where there was once a building.

tomrux:
Acetylene tanks don't like being toppled over. NOT AT ALL. You can't even safely gently lay them on their side. Loosely summed up sometimes really big bangs can happen either way. If the tank is with an Oxygen tank and the bang happens, then you get a really, really, really big bang.

can just see people all over the place running scared of acetylene bottles.
Yes you cant use them lying on their side but NO they wont explode if laid down or even falling over.

Tom R

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