Peter,
I may be incorrect but I think the plungers are just springs to hold the worm in the wheel. They don't adjust the depth of the worm in the wheel which is, I believe, your problem. The Bisque pdf, Adjusting the MX Cam stop, probably should have a reference to the plungers but assumes they are set correctly and I believe adjusting them will only give a different pressure holding the teeth engaged.
The Bisque pdf, Paramount Worm Block assembly, IMO, is the one that you need to follow as that adjusts the depth of the Worm in the Wheel.
Charles
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