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SPECIAL ADJUSTMENTS
5. Each wheel requires a bushing and a pair of 5/8” flat washers on either side of its hub.
6. Reinstall bushings, wheels, and nuts (NOTE: left-hand treads on the long shaft).
7. Lower the sander with the knob on top of the machine until the wheel is just touching the opening in
the frame.
8. Reinstall locking pin in powerfeed plate and close guard.
4-9 SANDER DRIVE BELT:
4-10 REPLACEMENT OF POWERFEED WHEELS:
Do not over tighten the sanding wheels - it will cause excessive wear .
A light touch on the door edge is all that is required.
The sander wheels present no great load so the sander double V-belt need not be tight. In fact, if the belt
is overly tight, the belt life is very short. Loosen the 3/8”-16 hex bolt and raise or lower the idler pulley
mounting block until there is about 1” deflection of the belt on the nearly vertical section of the belt near
-
est the infeed end of the machine. Be careful not to miss-align the idler pulley as it is adjusted.
FIGURE 4-4
IDLER PULLEY
Should the need arise to replace one or both powerfeed motors, scribe a line around the base of the motor
to be replaced so the new motor can be mounted in the exact position of the original. This is important as
the motors are “canted” at the factory so as to create enough downward pressure on the door to over
-
come the lifting action of the cutterhead and sanding wheels. Without this “cant” there is no assurance
that the edge of the door will be straight. On the other hand, if the “cant” is too great, the door will be
pulled down on the cutter assembly so much that the door will hit the outfeed bed, causing a poor edge
on the door.