11. Next, remove the three ¼”-20 socket head cap screws at the output end of
the top plate. Tilt the output end of the top plate up about 4 cm (1½”) and
support it in that position with a small block of wood.
12. Rotate the indexed roller
(mounted in the top of the
blade motor mount) by hand
so the setscrews that secure
it onto the shaft can be
loosened. Do not remove the
setscrews completely.
13. Pull the drive shaft out of the
lower roller by pulling on the
drive pulley. The shaft should
come all the way out, and the
indexed roller should be easy
to remove from the system.
14. Clean the bushings to remove adhesives and debris.
Lubricate with light machine oil. If the bushings require
replacement request the replacement procedure
instructions from Kinematic Sales.
15. Loosen, but do not remove, the setscrews on the
replacement roller. Hold the roller in place, and insert
the drive shaft through the bushings and through the replacement indexed
roller. The drive shaft end should be flush with the outside edge of the
bushing.
IMPORTANT: If the drive shaft protrudes past the bushing, it
may touch the top plate of the chassis. If this is the case, it will
not rotate freely. Insure that it does not protrude by pressing
across the bushing with a flat edge before tightening set screws.
Note that the shaft has flats on it for securing the roller. Make sure that
the setscrews on the roller are lined up with the flats on the shaft.
16. Tighten the setscrews on the roller to secure it in position on the shaft.
17. Go back to Step 4 of Replacing the Blade Drive Belt on page 71, and
continue that process. When that process is complete, return here, and
continue with the next step.
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