Skil PWRCORE 12 RI574501 Guide D'utilisation page 14

Install and Remove Bits
Your tool is equipped with a quick-change
collet, making bit installation and removal very
easy.
Lock the trigger switch "OFF" by placing the
direction-of-rotation selector in the center
position.
To install the bit:
Push the black sleeve forward (away from the
tool), insert the bit into the collet, and then
release the black sleeve. Check to make sure
that the bit is firmly in place.
To remove the bit:
Push the black sleeve forward (away from the
tool), pull the bit from the collet, and then release the black sleeve (Fig. 7).
WARNING
Tighten and Loosen Nuts and
Bolts
Variable-speed control must be used with
caution when driving nuts and bolts using
socket-set attachments. The best technique is
to start slowly and increase speed as the nut
or bolt runs down. Set the nut or bolt snugly by
slowing the tool to a stop. If this procedure is
not followed, the tool will have a tendency to
torque or twist in your hands when the nut or
bolt seats.
a. Install a suitable bit.
NOTICE: Always use the correct type and size
of bit for your application.
b. Apply just enough pressure to keep the bit
engaged on the screw or nut.
c. Apply minimal pressure to the trigger switch initially. Increase the speed only when full
control can be maintained.
NOTICE: Do not over-tighten, as the force of the impact driver can break the fastener. Keep
the tool at a right angle to the fastener to avoid damaging the fastener head.
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Use protective gloves when removing the bit from the tool, or first
allow the bit to cool down. The bit may be hot after prolonged use.
Fig. 7
Fig. 8
Black
Sleeve