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12
Figure 11: Rotating the machine casting to remove
the disc guard bolts
Figure 12: Locating the set screws that secure the
disc to the arbor
8. Through the hole in the disc guard casting, locate
and remove the TWO set screws that secure the
drive disc to the arbor (Figure 12). One set screw
clamps on the arbor key and the other clamps on
the arbor shaft, itself. Be sure you loosen both of
them.
9. Slide the disc and its guard off of the machine,
together (See Figure 13).
10. The V-belt can now be removed from the drive
arbor.
11. Install the new belt on the top pulley.
Figure 13: Removing the guard and drive disc,
together.
12. Slide the disc and guard back into position.
13. Reinstall the disc guard bolts underneath the
table.
14. Position the drive disc so that it is no more than
1/16 inch away from the table, then tighten
BOTH of the set screws by inserting the hex
wrench through the hole in the disc guard
casting.
15. Rotate the machine back onto its base and
secure it with all four mounting bolts.
16. Install the belt over the bottom pulley.
17. Tension the belt so that when pressed, in the
middle of its travel, it has no more than one
belt's width of movement – then tighten the four
motor bolts.
18. Observe the alignment of the motor pulley and
arbor pulley. If necessary, correct their
alignment by shifting the motor slightly on its
mount (which involves loosening and
retightening the mounting bolts and checking
tension) or by shifting the pulley slightly on the
motor shaft (which involves loosening the motor
pulley set screw and sliding the pulley into
alignment) or by moving the arbor pulley slightly
on its shaft (See Figure 14).
19. When the pulleys are accurately aligned,
reinstall the belt guard.
20. Reestablish electrical power to the machine.
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