G'day all,

This is just a comment.
I wonder whether the washer was a Belleville type that has
lost those properties? This was not uncommon on Victas.
[This is my reading of the video]

A missing lug should not affect balance of the holder,
nor is it related to the torquing of the holder.
They appear to merely act as locating lugs on assembly.

Perhaps the solution is a new washer...
Any thoughts?
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Jack