OBJ_BUCH-0000000221-001.book Page 13 Tuesday, July 21, 2015 8:42 AM
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Removing the drill chuck (figure 3).
Insert a hex key into the drill chuck and
tighten the drill chuck.
Unscrew the drill chuck using the hex key and
the open-end wrench (size 17 mm).
Mounting the drill chuck (figure 4).
Mount the drill chuck in reverse order.
Tighten the drill chuck using a hex key and
the open-end wrench (size 17 mm) (tighten-
ing torque: 310 lbf in, 35 Nm).