[R-390] filter trimmer access holes

[Barry]

> My IF deck has the filter trimmers; MOD2 I think this is.  The chassis
> doesn't have access holes to get to the trimmers...the IF deck
> subchassisdoes but the main frame sideplate covers them.
> 
> Has anyone here ever generated a print of where the holes in the
> sideplateshould be?
> 
> 73 de KA9EGW

I don't think the side plates originally had holes to adjust the trimmers.  I think they are meant to be adjusted with the IF chassis lifted so that the trimmers are accessable.

73,
Barry - N4BUQ