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ADJUSTMENTS
-14-
Drums and Pressure
Rollers
To get the best sanding results and longest life
out of your sandpaper, both the front and rear
sanding drums must: (1) be square with the
conveyor table, (2) run parallel with each other
and parallel to the conveyor feed direction, and
(3) must be slightly staggered in height with one
another. Pressure-roller spring tension and height
must also be set correctly.
As you become more familiar with your sander
you can vary your sander settings to fine-tune
the machine for your ultimate sanding goals.
PART 1: Drum-to-Conveyor Squareness
For this adjustment, you will align the drums so the
drums are square with the feed conveyor belt
surface. See Figure 18.
To adjust the drum-to-conveyor squareness,
do these steps:
1. Make two gauge blocks from a quality piece
of straight two-by-four hardwood stud. One
block should be 30" long, and the other 2
5
⁄8"
long. See Figure 16.
2. Unplug the Double Drum Sander!
3. Unlatch and open the dust hood. See Figure 17.
Figure 17. W1678 dust hood open.
Figure 16. Gauge blocks for drum alignment.
ADJUSTMENTS
Figure 18. Drums to conveyor not square.
Adjust the sanding drums and pressure rollers
correctly. Complete PART 1, PART 2, PART 3,
and PART 4 of this section in sequence.
Otherwise, the sanding drums can grab and
project the workpiece damaging the sander,
and injuring you and bystanders!
Keep your drum sander
unplugged during these
adjustments. Otherwise,
serious personal injury
may occur!