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The blade guide bearings must be properly adjusted to make square cuts. One bearing on each assembly has an eccentric bushing that allows it to be adjusted so the blade is square to the vise. The bearings are secured in place by a hex nut and lock washer, as shown in =`^li\,'.
Before adjusting the blade guide bearings, make sure that you have squared the blade to the table as discussed in the previous section.
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(% DISCONNECT BANDSAW FROM POWER!
)% Position the vise to 90°, then lock it in place.
*% Put a machinist's square against the face of the vise and move it over to the blade.
—The square should evenly touch both the face of the vise and the blade. If it does, skip ahead to
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—If the square does not evenly touch the blade, but it does evenly touch the vise, continue with the next step.
+% Loosen the hex nuts that secure the eccentric bushings attached to the guide bearings.
,% Adjust the bearings as necessary to force the blade to be 90° to the vise, then
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.% Adjust the backing bearing in the same manner, but leave a gap between
Backing Bearing |
Hex |
Nut |
Eccentric Bushing |
=`^li\,'% Blade guide adjustment
controls.
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