I wouldn't. ..
With the Tak MEF dual speed add on to the stock focuser, my FSQ-106N will focus with a 2.5kg CCD camera hanging off the back easily, and at f/5 the critical focus zone is microns of movement.
Adjust the Teflon tensioner screws (the sealed grub screws on the top of the focuser between the lock knob) for better tension/feel.
It seems not many know how to adjust a Tak focuser. It is very simple actually. I have also now fixed 2 "broken" or gritty MEF units - again very easy. Last one, which was terrible, took me about 5 minutes...
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