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from the machine.
Adjustments
Speed Change
Your machine is supplied with a 5-step motor
pulley and a 5-step spindle pulley that provide
spindle speeds of 3000, 4000, 6000, 8000 and
10,000 RPM.
A speed chart, shown in Figure 18, is located on
the inside of the front cabinet door for easy
reference of the belt position on the pulleys for
the five speeds available.
Check machine speed setting before operating.
Make sure cutter meets or exceeds speed rating
of tool. Figure 19 shows a chart for finding
optimum speed range in relation to the cutter
size. A similar chart can be seen on the front of
the shaper, with indicator lights showing the
current speed of rotation.
The cutting speed should always exceed 40
meters-per-second to lessen risk of kickback but
should not exceed 70 m/s to lessen the risk of
tool damage.
To change the speed and adjust the proper belt
tension, proceed as follows:
1. Disconnect machine from power source.
2. Open front cabinet door and move belt
tension lever (A, Figure 20) to the right to
loosen belt tension.
3. Move the belt (B, Figure 20) to the desired
position on the pulleys, while at the same
time rotate the knob (C, Figure 20) on the
speed indicator so that the belt will remain
positioned in the cut-out in the speed bar.
4. When the belt is positioned properly, move
the tension lever (A, Figure 20) to the left.
NOTE: During the first use after speed
adjustment, the belt will settle and produce a
slight decrease in tension. To obtain best
tension, turn the two nuts (E & F - Figure 20).
Proper belt tension is achieved when the belt
midway between the pulleys can be deflected
using moderate finger pressure.
Figure 18
Figure 19
Figure 20