Jet variable speed drill press - 20" - j-2221vs Mode D'Emploi
13
Figure 7
Adjustments
Table Adjustment
Refer to Figure 8.
The table can be raised or lowered to
accommodate the height of the workpiece. To raise
or lower the table, loosen the table lock using the
hand crank. Then use the hand crank to move the
table to the desired height. Then lock the table in
position.
accommodate the height of the workpiece. To raise
or lower the table, loosen the table lock using the
hand crank. Then use the hand crank to move the
table to the desired height. Then lock the table in
position.
Figure 8
Radial Head Adjustment (All Models)
Change the radial position of
the drill head only if the drill press base is
secured to the floor. Swinging the drill head
without the base being secured to the floor will
cause the drill press to become unstable and
tip over resulting in injury and/or damage to the
machine.
secured to the floor. Swinging the drill head
without the base being secured to the floor will
cause the drill press to become unstable and
tip over resulting in injury and/or damage to the
machine.
The radial position of the drill head can be changed
to accommodate the drilling of a hole that may be
offset from the center of the table. Reposition the
drill head as follows:
to accommodate the drilling of a hole that may be
offset from the center of the table. Reposition the
drill head as follows:
1. Loosen the two clamping hex nuts using the
hex socket wrench provided with the machine.
2. The swing the drill head to the desired
position.
3. Tighten the two clamping nuts.
Speed Pickup Adjustment (All Models)
1. Loosen screws securing speed pickup (ref.
68A, page 23) to plate (ref. 69A, page 23).
2. Adjust the speed pickup gap to approximately
1/8-inch. Re-tighten screws.
3. Operate drill press to verify that speed readout
is operating correctly.
Operating Precautions
The following operating and safety precautions
must be observed in order to avoid harm to the
operator or damage to the drill press.
must be observed in order to avoid harm to the
operator or damage to the drill press.
1. The head assembly must be locked to the
column so the thrust produced by drilling will
not force the head assembly up the column.
not force the head assembly up the column.
2. The work table must be locked to the column
so it will not be forced down the column.
3. Before drilling, release the quill lock nut to
permit free travel of the quill.
4. Be sure the belt is tightened to the proper
tension.
5. DO NOT start to drill the workpiece until
making certain the workpiece is held down
securely.
securely.
6. MAKE SURE THE DRIVE MOTOR IS
RUNNING BEFORE turning the speed control
handwheel in either direction.
handwheel in either direction.
7. Point of operation protection is required for
maximum safety. This remains the
responsibility of the user/purchaser since
conditions differ between jobs.
responsibility of the user/purchaser since
conditions differ between jobs.
8. Make sure the drill is secured in the spindle or
chuck before attempting to use the drill press.
9. Make sure the spindle taper is clean and free
of burrs, scoring, and galling to assure
maximum gripping.
maximum gripping.
10. Lock the quill in position when using any side-
loaded tool.