A handy adaptor for an unusual project

I had a problem removing some 'stuck' positions in brake calipers on a vintage sports car. This adapter, after changing the air-chuck for a better fitting one, let me use my Karcher K2 series pressure washer to pop out the stuck positions. I core drilled an M10 x1 bolt, cut off the head and welded it to a male air-chuck adaptor. This fit into the caliper and the pressure washer adapter. With the caliper bleeder screw opened slightly, to allow the pressure to ramp up, the stuck positions dislodged easily. Due to the high pressure, a wooden block was used as an impact absorber. Need a tool, make a tool. This adaptor worked very well for my non-standard application.

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