Nilfisk-ALTO Classic 12 - Manual (Page 16)

Page 16 AMERICAN SANDERS TECHNOLOGY Classic 12 Belt Sander Operator's Manual
Leveling
To adjust the machine leveling follow this procedure:
1. Locate the leveling screw. See figure 13. The
leveling screw is located towards the rear of the
chassis beneath the sanding pressure knob.
2. Tighten the leveling screw (compress the leveling
spring) to sand heavier on the left (drive belt side).
3. Loosen the leveling screw (relax the leveling
spring) to sand heavier on the right (side oppo-
site the drive belts).
Belt Tracking
WARNING: Injury to the operator could
occur if any machine adjust-
ments are made while the
motor is running. Do not
attempt to make any adjust-
ments while the machine is
plugged in or running.
To adjust the belt tracking follow this procedure:
1. Locate the belt tracking adjuster screw. See
figure 14a.
2. Hold the belt tracking adjuster screw and loosen
the locknut. See figure 14b.
3. Rotate the tracking adjuster screw counterclock-
wise to move the belt in.
4. Rotate the tracking adjuster screw clockwise to
move the belt out.
5. Tighten the locknut and test the adjustment.
Repeat steps 2 through 5 until belt tracks prop-
erly.
Operating Control
To increase the travel or extend the reach on the grip
control follow this procedure:
1. Loosen the locknut on the control rod. See figure
15a.
2. Screw the control rod adjuster (fig. 15b) onto the
control rod until the desired reach is found.
3. Hold the control rod adjuster and tighten the
locknut. See figure 15a.
To decrease the travel or reduce the reach on the
grip control follow this procedure:
1. Loosen the locknut on the control rod. See figure
15a.
2. Screw the control rod adjuster (fig. 15b) off the
control rod until desired reach is found.
3. Hold the control rod adjuster and tighten the
locknut. See figure 15a.
Figure 13
Figure 14
Figure 15