-21-
M1102/M1103 16-Speed Drill Press
O
PE
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N
S
Figure 21.
Loosening lock knob.
The belts in the headstock must be rearranged to
change spindle RPM. A chart under the pulley cover
shows the belt positions needed to make the drill press
run at the desired RPM. For example, the pulley ratio
shown in
Figure 20
indicates belt positioning to get 569
RPM at the spindle.
Changing Spindle RPM
Never operate drill press with pulley cover in the
open position. Your hand may become trapped in the
belt and serious personal injury will occur.
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Figure 20.
Spindle RPM chart at 60 Hz.
To change spindle RPM, do these steps:
1.
DISCONNECT THE DRILL PRESS FROM POWER!
2.
Loosen the belt tension lock knob (shown in
Figure
21
) on the right side of the headstock, to take ten-
sion off of the V-belts and allow the motor to move
freely.
3.
Locate the desired speed on the
Drill, Cutter, and
Hole Saw Suggested RPM Chart
starting on
Page 23
.
4.
Move the V-belts to the desired V-grooves on the
motor, idler, and spindle pulleys.
5.
Pivot the motor toward the back of the headstock and
tighten the lock knob once the desired V-belt tension
is achieved.
6.
Close the cover before plugging in the machine.
Содержание SHOP FOX M1102
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