Re: 8n hydraulic cover/seat mount location

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Posted by Tim Daley(MI) on January 30, 2020 at 13:48:38 [URL] [DELETE] :

In Reply to: Re: 8n hydraulic cover/seat mount location posted by Doug on January 30, 2020 at 11:21:31:

A good machine shop will have a tap burner. Since you don't want to muck with any shop so options are severely limited. You won't get a broken tap out with any drill, trust me. Carbide is the best cutting tool, titanium coated, and cobalt is just a tougher steel coating for HSS but neither is going to cut a broken tap. Carbide is brittle. A carbide tool must be solid and the workpiece as well. One slop and the carbide will chip. A broken tap almost always needs to be burned out with an electric arc machine. You asked for my opinion so I suggest if you want to save your OEM top cover, ask around local machine shops; you might be surprised to find prices. Option #2 is to bite the bullet and buy an ebay special top cover. that may require a new piston and cylinder so weigh options.

Tim Daley(MI)


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