Flex FX1671 Operator's Manual page 11

INSTALL AND REMOVE BITS (FIG. 3, 4, AND 5)
WARNING
the battery pack is removed before carrying
out any work on the tool.
To install the bit
a. Lock the variable-speed trigger switch OFF
on the tool by placing the direction-of-rotation
selector in the center position.
b. Remove the battery pack.
c. Insert the chuck key into one of the
three holes on the chuck and turn it
counterclockwise (as shown in Fig. 3) to open
the chuck to approximately the bit diameter.
d. Insert the bit into the chuck as far as it will go.
e. Close the chuck jaws by sequentially inserting
the chuck key into each of the three holes and
turning the key clockwise. Be sure to tighten
all three chuck holes evenly (Fig. 4).
WARNING
chuck jaws. Do not insert the drill bit into the
chuck jaws at an angle and then tighten the
chuck as shown in Fig. 5. This could cause
the drill bit to be thrown from the tool, resulting
in possibly serious personal injury or damage to
the chuck.
To remove the bit
a. Insert the chuck key into one of the
three holes on the chuck and turn it
counterclockwise (Fig. 3) to loosen the chuck.
b. Remove the bit.
WARNING
from the tool, or first allow the bit to cool
down. The bit may be hot after prolonged use.
Always be sure that the
tool is switched off and
Make sure to insert the
drill bit straight into the
Use protective gloves
when removing the bit
Fig. 3
Fig. 4
Fig. 5
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