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Page 14 AMERICAN SANDERS TECHNOLOGY - American 12 Floor Sander Owner's Manual
Sander Adjustment Procedures
DANGER: Electrocution could occur if main-
tenance and repairs are performed
on a unit that is not properly discon-
nected from the power source. Dis-
connect the power supply before
attempting any maintenance or ser-
vice.
DANGER: Moving parts of this machine can
cause serious injury and/or dam-
age. Keep hands, feet and loose
clothing away from all moving parts
of the sander.
Sanding Pressure
To adjust the sanding pressure follow this procedure:
1. Screw the sanding pressure knob down to in-
crease the sanding pressure when making the
roughing in cut.
2. Screw the sanding pressure knob up to decrease
the sanding pressure when making the finishing
cut.
Drum Rates
The machine can be operated at two rates. To
change the speed of the drum, follow this procedure:
1. Remove the belt cover.
2. Remove the fan belt.
3. Loosen the motor bolt.
4. Slide the motor forward.
5. For high drum rates, install drive belt in larger
diameter of the grooves available on the motor
pulley and in the smaller diameter of the two
grooves available on the drum pulley. For lower
rates, install drive belt in smaller diameter of the
grooves available on the motor pulley and in the
larger diameter of the two grooves available on the
drum pulley.
6. Tighten belt and secure motor to chassis.
7. Install the fan belt.
8. Install the belt guard.