With regard to the last fix I noticed the the blade guide arm was skewed to the right with respect to the main frame and in fixing that I noticed today while cleaning the saw that the same arm was now not at right angles to the table but angled back a bit - hmm.
The blade guide arm which slides up and down for cutting height mates with that length of timber with the four screws. All of that had to come off to fix the skew issue and and when I fitted that bit of timber back I neglected to drive the screws back into the original holes. I lined up the top screw OK but failed to notice the timber was not parallel to the tension block (to the right a bit at the bottom) so the bottom screw ended up to the right of the original hole.
One thing leads to another, now that the arm is aligned true front and side the bottom blade guide bearing assembly is to far forward so I need to reduce the width of that assembly! So...pull all of that apart.
The easiest way out of this pickle is to reduce the width of the bearing support block on the table saw.
OK...let's assemble everything again to see how things align, we may have to take off some more?
With everything assembled back onto the arm let's see how things line up.
I'm just holding the arm in place and alignment is good.
We are done.
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