SIngle piece Tophat
Hi Guys
My Talon had a fair bit of work done on it (brass hammer and 2 different tophats, machined from a single piece of metal,one with a bigger hole).
Is the bottom bit (piece that goes into valve first) suppose to be rough. Mine has vice like indents in it. Should I be polishing it to make it smooth?
thanx
Dave S
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Will do
Thanx
No, the vice marks are to hold the valve stem retainer in place. Polish the sides which ride in the valve for a frictionless action or as much as. Don’t remove any material just shine her up.
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Be carefull pulling the valve stem out from the front. The knurl that press fits into the delrin valve may scar the ID of the front brass part. I suspect that when AirForce make the valves up they insert the shaft from the back of the brass piece and then attach the top hat.
When I pulled mine out from the front I scratched up the bore of the brass piece 🙁 Those knurls may actually be larger in OD than the shaft itself, so stop if you feel resistance!