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ALTERNATE CHUCK REPLACEMENT
Remove battery pack to prevent accidental start-up.
1. Open chuck jaws as wide as possible to gain access to the chuck
retaining screw.
2. Remove chuck retaining screw by turning it clockwise (left-hand thread)
with an hex wrench.
3. Place the two-speed gear shift selector to the rear (LOW) position.
4. Place the short end of a large hex wrench (
1
/4" or larger) into the chuck
(Fig. 14). Align wrench flats with chuck jaws and tighten chuck securely. While
supporting chuck on a solid surface, position hex wrench to left (see Fig. 14)
and strike wrench a sharp blow with a hammer to loosen chuck. Turn chuck
counterclockwise to remove.
5. Coat mounting face of the replacement chuck with anti-seize compound.
6. Thread chuck onto spindle by turning chuck clockwise. Hand tighten.
Install hex wrench in chuck. While supporting chuck on a solid surface,
position hex wrench to the right (see Fig. 15), and strike wrench a sharp blow
with a hammer to seat chuck onto spindle.
7. Remove hex wrench from chuck.
8. Install chuck retaining screw.
REMOVE
INSTALL
Fig. 14
Fig. 15
A
A
B
B
Fig. 12
Fig. 13