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Figure 39. Guide block position on blade.
Figure 40. Guide block position on blade.
The upper and lower guide blocks reduce side-to-
side blade wander during cutting. Proper adjust-
ment of these will also minimize heat and
increase blade life.
To adjust the guide blocks:
1. Find the thumbscrews that allow the guide-
block pair to slide back and forth.
2. Set the guide blocks just behind the gullet of
the teeth. See Figure 39. This will protect
your blade from premature wear because the
teeth won’t run against the guide blocks.
3. Now find the thumbscrews that allow each
guide block to slide in and out.
4. The ideal distance that the guide blocks
should be set from the blade is .004 in.
Again, if you have a feeler gauge use it; oth-
erwise, the single thickness of a dollar will
be fairly accurate. Fold the dollar once and
slide the open end over the blade, so the
dollar covers each side of the blade. See
Figure 40.
5. Pinch the dollar between the blade and a
guide block on one side, making sure you
don’t move the blade.
6. Lock the guide block into place and repeat
Step 5 on the other side. Use this same
process for adjusting the lower guide blocks
as well.
Blade Guides Cont.