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12
Inserting Bit
For small bits, open the jaws enough to open
the bit sufciently to insert the bit up to the
utes. For large bits, open the jaws sufciently
to insert the bit as far as it will go. Center the
bit as you close the jaws by hand. This
positions the bit properly, giving maximum
contact between the chuck jaws and the bit
shank.
To tighten the chuck, insert the key into each
of the three key holes in succession and rmly
tighten clockwise. The chuck can be released
by using one hole only (Fig. 3).
Auxiliary Handle
The auxiliary handle will provide additional control, support, and guidance for the tool. The
handle is adjustable to any position around the 360° front housing collar.
To mount, rotate the lower portion of the hand grip counter-clockwise to loosen it, push
upward on thumb grip provided, and then slide handle completely over the front housing
collar.
To adjust, push upward on thumb grip, move the handle to the desired position, and securely
tighten the lower portion of hand grip clockwise (Fig. 1).
Depth Gauge (Fig.4)
Your drilling depth can be pre-set and/or re-
peated with help from the depth gauge.
Loosen the auxiliary handle by turning the grip
counter clockwise. Insert the depth-gauge rod
through the hole in the auxiliary handle and ad-
just the rod so that the drill bit extends beyond
the rod to the desired depth. Make sure that
the bit has been fully inserted into the chuck
before setting the depth gauge.
Securely tighten the handle by turning the han-
dle grip clockwise.
Fig. 3
Counter
clockwise
Clockwise
Fig. 4
Depth-Gauge Rod
Desired Drilling
Depth
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