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ET1205 Manual
7/18/00
10:25 AM
FIG. 5
the drill but not so much that you crack the brittle materials. A
smooth, even flow of dust indicates the proper drilling rate.
Bubble Level
Your drill is equipped with a bubble level that assists you in drilling
level holes.
For horizontal drilling, tilt the drill up or down as required so that the
bubble floats in the center of the parallel lines drawn on the glass.
When the bubble is centered between the lines, as shown in Figure
3A, the drill is level.
For vertical drilling, align the drill so that the bubble floats in the
center of the bull's-eye, as shown in Figure 3B.
To assure accuracy, first place a level on your work piece and
position it so that it is level. Then, when the drill reads level, the two
will be aligned. (Any bubble level can only indicate level to the earth's
surface).
NOTE: The level is filled with mineral oil that may cause minor skin
irritation when contacted. If the level breaks and this fluid gets on
your skin, rinse thoroughly with water. If any liquid gets in your eyes,
rinse thoroughly with water and call a physician immediately.
Page 4
FIG. 6
4
Keyless Chuck
Your tool features a keyless chuck for greater convenience. To insert
a drill bit or other accessory, follow the steps listed below.
1. Unplug the drill.
2. Grasp the rear half of the chuck with one hand and use your other
hand to rotate the front half counterclockwise, as shown in
Figure 4. Rotate far enough so that the chuck opens sufficiently
to accept the desired accessory.
3. Insert the bit or other accessory about 3/4" into the chuck and
tighten securely by holding the rear half of the chuck and rotating
the front portion in the clockwise direction.
To release the accessory, repeat step 2 listed above.
WARNING: Do not attempt to tighten drill bits (or any other
accessory) by gripping the front part of the chuck and turning the
tool on. Damage to the chuck and personal injury may result.
Chuck Removal
Tighten the chuck around the shorter end of a hex key (not supplied)
of 1/4" or greater size. Using a soft hammer or piece of wood, strike
the longer end in the counterclockwise direction, as shown in
Figure 5.
This will loosen the chuck so that it can be unscrewed by hand.
Chuck Installation
Screw the chuck on by hand as far as it will go. Tighten the chuck
around the shorter end of a 1/4" or larger hex key (not supplied) strike
the longer end in the clockwise direction with a soft hammer, as
shown in Figure 6.
Lubrication
When the tool is taken apart for motor brush replacement a small
amount of grease should be added (or redistributed from that
remaining in housing) to the gears.
The ball bearings in this tool are lubricated during manufacture and
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