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Installing & Removing 3-Jaw Chuck
(Not included, available
as accessory)
The 3 Jaw Chuck with SDS Shank can convert
your tool for use with straight shank bits.
Clean the insert shank end of the accessory to
remove any debris, then lightly grease with a
light oil or lubricant
Insert accessory into the chuck through the dust
shield, while twisting and pushing inward until it
locks automatically into place. Pull outward on
the accessory to be certain it is locked into the
chuck (Fig. 4).
To remove the chuck, pull the locking sleeve
backward (towards the rear of tool), while pull-
ing the chuck forward.
A keyless version of the 3 Jaw Chuck is avail-
able for purchase. Please see Boschtools.com
for details.
Installing & Removing Accessories
3-Jaw Chuck
(Fig. 5)
For small bits, open jaws enough to insert the
bit up to the flutes. For large bits, insert the bit
as far as it will go. Center the bit as you close
the jaws by hand. This positions the bit proper-
ly, giving maximum contact between the chuck
jaws and the bit shank (Fig. 5).
Hold the drill and turn the chuck clockwise to
tighten. Hand crank the chuck tighter until you
feel it ratchet down.
To remove bit, hold the drill and turn the chuck
counterclockwise to loosen.
Note: The 3-Jaw Chuck is for use only in "Drill
only" mode. The 3-Jaw Chuck is not for use
when drilling with hammering action.
160992A7BZ GBH18V-22 20230316.indd 12
page heading
Assembly
Fig. 4
Fig. 5
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3/16/23 9:33 AM
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