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FUNCTIONAL DESCRIPTION
FOREWORD
Porter-Cable drills are designed to drill holes of various sizes in wood and
metal as indicated in the following chart:
INSTALLING AND REMOVING DRILL BIT
(Except Keyless Models 2621, 6615)
1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE.
2. The three-jaw chuck is designed for self-centering of the drill bit. Open
jaws large enough by turning outer sleeve counterclockwise, when viewing
the chuck from the bit end so that bit shank can be inserted.
3. Clean and insert smooth end of drill bit as far as it will go into the chuck,
then withdraw bit approximately
1
/16", or up to the flutes for small bits.
4. While holding the bit with one hand, turn outer sleeve clockwise until bit
is gripped in the chuck.
5. Tighten chuck – insert chuck key into each of 3 keyholes in chuck body
(Fig. 1) in succession and tighten securely by turning key clockwise.
CAUTION: Be sure chuck key is removed before starting tool.
6. To remove bit, reverse foregoing procedure.
INSTALLING AND REMOVING DRILL BIT
(Keyless Models 2621, 6615)
1. CAUTION: DISCONNECT TOOL FROM POWER SOURCE.
2. The three-jaw chuck is designed for self-centering of the bit. Open jaws
large enough by turning outer sleeve (A) Fig. 2, counterclockwise, when
viewing the chuck from the bit end, so that bit shank can be inserted easily.
Model # of Drill Type of Bit Max. Dia. Hole Material
2620 Twist Drill
3
/8" Steel
Spade Bit
3
/4" Wood
2621 Self Feed Bit
3
/8" Wood
Twist Drill
1
/2" Steel
6614, 6615 Spade Bit 1
1
/2" Wood
Self Feed Bit 1
1
/4" Wood
5
Fig. 1
LOOSEN
TIGHTEN
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