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X. ADJUSTMENTS
FIGURE 8
A. CHANGING BITS
To insert or change a bit, care must be taken to secure the bit firmly in place.
When changing bits:
1.
Disconnect the machine from the power source.
2.
Open chuck wide enough to accept the new bit.
3.
Install the bit so the chuck jaws will grab the major portion of the bit shank.
Do not grab the body of the drill bit.
4.
Tighten the chuck with the key using all key locations (See Figure 8).
5.
CAUTION: Be sure to remove the key before reconnecting the power.
To remove bit:
1.
Disconnect the machine from the power source.
2.
Hold the bit with your left hand.
3.
Turn the chuck key oounter clockwise with your right hand to open the
chuck.
4.
Remove the bit.
It is a good practice to place a foam pad between the bit and the drill press table when changing
bits to prevent breakage if the bit falls.
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