Advertisement
7.
DRILL SPEEDS
The chart below shows recommended drill speeds for various bit diameters and materials. Select the available drill speed that is the
same as, or nearest to, the one recommended for the task in hand.
Drill Dia. (mm)
3
4
5
6
7
8
9
10
11
12
13
14
16
18
20
22
25
8.
MAINTENANCE
IN
WARNING! Disconnect from mains supply before performing any maintenance.
‰
8.1.
Clean the tool after each use. A coat of automobile-type wax applied to the table and column will help to keep the surfaces clean.
8.2.
Blow out any dust that may have accumulated in the motor.
8.3.
Periodically lubricate the table elevation rack/gear/worm mechanism and the spindle sleeve exterior with machine oil.
Belt changing
8.4.
8.4.1.
Remove the securing screw and open the belt cover (fig.7).
8.4.2.
Move the speed change lever to the right, to release the tension on the top belt.
8.4.3.
Remove the belt and, if necessary, move the speed change lever to the left in order to remove the lower belt.
8.4.4.
Fit replacement belts in the opposite manner to the above.
8.4.5.
Close the lid and secure with the screw.
fig. 7
8.4.6.
Run the drill to re-tension the belts.
© Jack Sealey Limited
Steel
Cast Iron
1820
2580
1350
1820
1290
1350
970
1290
830
970
830
970
500
970
500
830
500
830
420
830
420
500
420
500
320
500
320
420
280
320
210
280
120
210
Please note that an instructional video for this product is available to view on our YouTube channel.
Original Language Version
Drill Speed (rpm)
Iron
2580
1820
1350
1290
970
970
830
830
830
500
500
500
500
420
320
280
210
Alum & Copper
2580
2580
2580
2580
2580
2580
1820
1820
1820
1820
1350
1350
1290
1290
970
970
830
GDM200F/VS Issue:3 (3) - 31/08/18
Advertisement
