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G0486/G0487 Wide Belt Sander -23-
Sanding Workpiece
Typically, no more than 0.5mm (approx.
1
⁄64") of
material is removed during each pass. Attempts
to remove too much material can cause jamming,
wood burning, rapid sandpaper wear or tearing,
poor finish, short motor life, and belt slippage.
The following is the correct sanding operating
procedure:
1. Put on safety glasses, a dust mask, and
your hearing protection!
2. Turn ON the dust collector.
3. On the initial pass, lower the table to approxi-
mately 0.25" greater than the thickness of
the workpiece.
Note: This initial pass setting reduces the
chance of overloading the sander on
unde-
tected high points on the workpiece.
4. Raise the table 0.0625" between each suc-
cessive pass until the sander begins to sand
the workpiece.
NOTICE
It may be necessary to send wide stock
through the sander two or three times
between table height adjustments. This
reduces the likelihood of burning the wood
if there is a high spot.
Platen Adjustment
Your sander is equipped with an adjustable felt
platen and graphite slip for those extra sensitive
sanding operations.
The platen position allows
for 3 basic types of sanding. These different posi
-
tions can be adjusted by rotating the height lever
shown in
Figure 19.
Figure 19. Platen height controls.
Lock
Lever
Height
Lever
Scale and
Pointer
The three basic platen positions:
Platen Up: The platen is raised above the level
of the sanding rollers. This position allows the
front roller to remove large amounts of material
quickly, but leaves a rough finish. The best belt
grit for this position is #100 or coarser.
Platen Even: The platen is set even with the
sanding rollers. The rollers work together with the
platen to produce intermediate/final finishing. The
best belt grit for this position is #100-#180.
Platen Down
: The platen is lowered below
the sanding rollers. The majority of the work
is accomplished by the platen pressure on the
workpiece. The result is a smooth, flat finish.
The best belt grit for this position is #180 or finer.
Avoid lowering the platen more than 0.2 mm
below the sanding belt rollers, or you will prema
-
turely wear the platen.