[Chuck Schwark]

The adjustments are 1/4" hex nuts in the older Philco IF cans and the compensator padders and trimmers - not screws.

Take a run-of-the-mill 6-32, 1/4" hex nut thread a long-ish screw into the nut before heating to allow pushing into the tubing end and removing after cooling off.

You are essentially making a plastic nut-driver. The original was harder phenolic, but the plastic will do fine.

Here's what an original "Philco Alignment Tool" (left) looks like:

[Image: http://www.philcorepairbench.com/images/...ools02.jpg]
[Image: http://www.philcorepairbench.com/images/...ools01.jpg]