20
INSTALLING DRILL BITS
– cont’d
4. Finish tightening the chuck jaws.
Firmly grasp the chuck body with your
hand and rotate it in a clockwise
direction.
NOTES:
a) The automatic spindle lock will prevent
the spindle from rotating while the chuck
body is being tightened.
b) As the chuck jaws begin to tighten on
the bit, you will hear a clicking sound.
Continue to rotate the chuck body until the
clicking stops and you can no longer turn it
any further BY HAND.
c) Hand-tighten chuck body. Do NOT use
pliers. You will damage the chuck.
WARNING:
Do not insert drill bit
into chuck and tighten as shown in
Fig. 15.
The drill bit MUST be properly
inserted with all three of the chuck jaws
holding the bit centred in the chuck. Failure
to properly insert drill bit could cause the
drill bit to be thrown from the chuck,
resulting in possible serious injury or
damage to the chuck.
REMOVING BITS
1. To open the keyless drill chuck, grasp
and hold the chuck collar and rotate it
in a counter-clockwise direction until
the chuck jaws open and release the
bit.
2. Remove the bit.
!
ASSEMBLY AND OPERATING
Fig. 15