Thursday, January 12, 2017

Replacing cam follower bores (and followers).

Replacing cam follower bores (and followers).

I really do not know how this type of damage occurs!

Looks as if it was squeezed in a vice or something. 

In any case, new follower bores and followers will be required...

A new follower bore is cut on the lathe from bronze bushing material.

The case is heated to over 250'F and the chilled bushing is inserted.

The bushing is honed to the final dimensions. Here I am using a fixed hone, however the final hone may be done with an adjustable hone and/or a brake hone.

Final fitment is done using the new followers.

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