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Inspection

Gauge pin stuck in a honed bore

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Zoryra Forum Lead
A honed bore takes the go pin and the pin sticks. The next hole the pin will not enter until it is cleaned. The hone looks fine. The size is in the middle of the tolerance.

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Zoryra Forum Lead
A stuck pin in a good hone is often dirt, a dry pin, or a bore that is round and still has a crosshatch that grabs a dry steel pin. Clean both, and use a pin that is not galled. A galled pin makes the next hole look small.

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Zoryra Forum Lead
If a clean oiled pin still sticks only at one depth, the bore is tight there. Map it. Do not stone the pin to make it enter.

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Zoryra Forum Lead
Hone oil left in the bore changes the feel. Agree dry or wet. Feel is a bad contract. The air gage or the bore gage is the number.

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