How to provide a retaining fit for a parallel pin on a 5″G loco valve gear

How to provide a retaining fit for a parallel pin on a 5″G loco valve gear

This topic has 26 replies, 16 voices, and was last updated 30 April 2024 at 10:17 by Brian Wood.

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30 April 2024 at 00:24 #728257
Hopper
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30 April 2024 at 10:17 #728313
Brian Wood
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@brianwood45127
I’ll add my contribution. Knurling would be my preferred solution but another quick fix is to lay the pin on its side and chop across the middle with a sharp cold chisel at an angle to the pin axis to provide a raised bruise over part of the length. Two such treatments might be needed.

Regards Brian
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