Clarke METALWORKER CDP401B, Operating & Maintenance Instructions

Page: 17 / 32

17
OPERATION
1 . Insert the drill bit into the jaws of the chuck by approx 1", ensuring that the
jaws do not touch the flutes of the drill. Before tightening the chuck,
ensure that the drill is centred within the jaws.
WARNING: TO AVOID INJURY, MAKE SURE THAT THE CHUCK KEY IS
REMOVED FROM THE CHUCK BEFORE STARTING ANY DRILLING
OPERATION.
2. Ensure the table height and position is set so that drill travel is sufficient for
the job in hand.
3. Ensure the work is securely clamped, or held in a drill vice bolted to the
table. Never hold it with bare hands. Severe personal injury may be
caused if the workpiece is whipped out of the operator’s hand, and
damage to the machine incurred if the work strikes the column.
If the piece is of irregular shape and cannot be laid flat on the table, it
should be securely blocked and clamped.
Any tilting, twisting or shifting, results not only in a rough hole but also
increases drill breakage.
4. For small workpieces that cannot be clamped to the table, use a Drill Press
Vice. The vice must be clamped or bolted to the table.
5. When drilling completely through wood, always
position a piece of scrap wood between the
workpiece and the table to prevent
splintering on the underside of the workpiece
as the drill breaks through. The scrap piece of
wood must make contact with the left side of
the column as shown in Fig 14. In addition,
set the depth of drill travel so that the drill
cannot possibly come into contact with the
table, or align the table so that the hole in it’s
centre is directly in line with the drill bit.
6. Mark where you want to drill on the
workpiece by using a centre punch.
7. When completely satisfied that the setup is
sound, lower the Chuck Guard into place
and switch the machine ON by raising the
switch cover, as shown in FIG 8, and pushing the GREEN ‘I’ button.
8. Before turning on the drill, turn the feed handles to bring the drill bit down.
Line the drill bit tip up with the mark.
9. Turn on the drill and pull down on the feed handles with appropriate force
needed to allow the drill bit to drill into the material
Fig 14