heater work

[farmerchris]

start working on replacing one of the heater doors in my heater box,as i didn't want to spent the money on a new box,as this was the only thing wrong with it.couldn't find a suitable replacement so build my own. picture of the box

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.another view

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this was bad in it

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[farmerchris]

so i need to fabricate a new door,so i start with 18 gauge metal,what i had lying around

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i cut to size by tracing out the old door and mark out everything.combination of air shears and cut off wheel.then drill two hole ,mark with marker on a step bit what size hole on old door and drill to the mark to replicate size. next step to replicate dimple in old door.need a way to punch them so i build a tool home shop style to do it.

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.used some of this

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[farmerchris]

and some of this

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and weld together to make the tool up above in the slightly blurry picture,lol.put it in this

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here the process on a scrap piece of metal

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and results

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[farmerchris]

then you do a little metal forming to smooth it back down

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another blurry view,shops lights,lol,

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then take a cutoff wheel to trim the ends of the dimple

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then smooth out

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[farmerchris]

that how to make a dimple with shop tool only.,here what the door look like in the box

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.another view

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here the door in place

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