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14
Contour sanding (horizontal position) – Contoured
workpieces can be sanded over the drive wheel.
Open the end cover and secure it by attaching its
hook to the strap, as shown in Figure 9-1. Adjust tool
rest and tighten in place.
Figure 9-1
9.1.1 Disc sanding
Place workpiece firmly against table and ease it into
the moving disc.
If greater precision of angle is needed, place an
angle measuring device on table and against disc,
and adjust the table accordingly. Always tighten
table lock handles.
Do not sand on upward moving portion; disc must
rotate downward into the workpiece.
Do not crowd the work so that the disc slows.
9.1.2 Belt sanding
1. Move belt by hand to ensure that wheels rotate
freely without obstruction, table or tool rest does
not contact belt, and belt tracks properly.
2. Use the entire width of the belt to reduce wear
in one place.
3. At all times, keep hands and fingers away from
pinch points.
9.2 Operating controls
Note: After extended operation, the grinder housing
may be warm to the touch. This is not abnormal.
IBDG-248, IBDG-436: Pull paddle switch (A, Figure
9-2) to start tool, push to stop. The safety key (A
1
)
can be removed to prevent unauthorized use of the
grinder. The safety key must be inserted to restart
the grinder.
Figure 9-2: safety key (non-VS models only)
IBDG-248VS, IBDG-436VS: Press on/off button on
keypad (Figure 9-3) to start or stop. Press either of
the numbered buttons to start machine at the
designated speed. Press arrow buttons to change
rotation speed in 100 RPM increments.
The digital readout will flash briefly during start up
and speed adjustments. Press button to toggle
between RPM and SFPM display.
The variable speed sander will shut off after 90
seconds of inactivity. Press on/off button to re-
energize.
Figure 9-3: keypad (VS models only)
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