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Busted alum fitting from pressure washer

G

Gennady

Super User
Hello gang.
I had a pressure washer which I forgot to disconnect from pressure gun hose and got a frozen water damage on lower fitting. To my luck it is separate piece of die casted aluminium. Alloy is very light and fragile -no wonder I failed to weld it , considering my welding skills and equipment. I am going to make a new one. Carefully. copied all dimensions and preparing for few evenings in the shop.

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Here is my, rather pointless, attempt to weld. Fitting is collapsing right away, leaving awful voids. Will remake it...

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Made one side of the fitting - Bored and made tapered inlet for the hose connector with O-ring.

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Cut a thread according to measurements 18 TPI - diameter is metric but I feel more comfortable this way. It fits hose connector and screw on quite OK. (Thoughts while cutting thread - need to make ELS, need to make ELS)

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Next - I flipped part in the chuck (no concentricity is needed) and made second end. Connector with grove for O-ring

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Two parts for comparison - I made new one longer due to two reasons - it was easier to chuck it up and it easier to connect water hose in pressure washer. Grooves for locking pis I made with hack saw and file.

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Now pressure washer as good as new :)

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