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_1= WARNING: Always wear safety goggles or
safety glasses with side shields when operating
tools. Failure to do so could result in objects
being thrown into your eyes, resulting in possible
serious injury.
DRILLING
See Figure 11.
When ddlling hard smooth surfaces use a center
punch to mark desired hole location. This will prevent
the ddll bit from slipping off center as the hole is
started. However, the low speed feature allows
starting holes without center punching if desired. To
accomplish this, simply operate your drill at a low
speed untilthe hole is started.
The matedal to be drilled should be secured in a vise
or with clamps to keep itfrom tuming as the drill bit
rotates.
Hold tool firmly and place the bit at the point to be
ddlled. Depress the switch trigger to start tool.
Move the drill bit into the workplace applying only
enough pressure to keep the bit cutting. Do not force
or apply side pressure to elongate a hole.
When drilling metals, use a lightoil on the ddll bit to
keep it from overheating. The oil will prolong the life of
the bit and increase the ddlling action.
If the bitjams in workpiece or ifthe ddll stall_, release
switch trigger immediately. Remove the bitfrom the
workpiece and determine the reason for jamming.
CHUCK REMOVAL
See Figures 12, 13, and 14.
The chuck must be removed in order to use some
accessories. To remove:
• Lock the switch trigger by placing the direction of
rotation selector in center position.
• Insert a 5/16 inchor larger allen wrench (hex key
wrench) intothe chuck of yourdrilland tighten the
chuckjaws securely.
• Tap the allen wrench sharply with a mallet in a
clockwise direction. See Figure 12. This will
loosen the screw in the chuck for easy removal.
KEYLESS
CHUCK
MALLET
CHUCK
JAWS
ALLEN
WRENCH Fig. 12
Fig. 11
_1, WARNING: Be prepared for binding or bit
breakthrough. When these situations occur, drill
has a tendency to grab and kick opposite to the
direction of rotation and could cause loss of
controlwhen breaking through material. If not
prepared, this loss of control can result in
possible serious injury.
12