Craftsman 28129 Operation Manual - Page 12

TO

RETIGHTEN

A LOOSE

CHUCK

(Figs.

17 and

17a)

The chuck

may become loose on the spindle

and develop

a wobble. Also, the chuck screw

may become loose, causing

the chuck jaws

to bind and prevent them from closing.

To tighten:

.

Unplug the hammer

drill.

WARNING:

To prevent personal

injury, ALWAYS

disconnect

the

plug

from

power source

BEFORE

assembling

parts, making

adjustments

or

changing

bits.

2. Open the chuck jaws

3. Insert a 5/16 in. or larger hex key into the

chuck and tighten

the chuck jaws securely.

Tap the hex key sharply

with a mallet in a

clockwise

direction. This will tighten

the

chuck on the spindle.

4. Open the chuck jaws, and remove the hex

key.

5. Tighten the chuck screw. Note that the chuck

screw has left hand threads

and

counterclockwise

direction tightens

instead of loosens.

Fig.

17a

[Z_

WARNING:

The

use of attachments

or accessories

that are not

i

recommended

for this tool

might

be

dangerous

and

could result in serious injury.

1

®

Sears and other Craftsman _ outlets offer a large selection

of Craftsman

drill/driver

accessories

designed

for all your drill/driving

applications.

You may purchase

kits and sets specifically

for drilling

and driving, twist drill bit sets,

a variety

of power drill/driving

bit sets, spade bit sets, hole saws, carbide-tipped

masonry

drill bit sets that are percussion

rated, extra long bits, magnetic

bit holders and more.

Visit your local Sears store or other Craftsman

outlets or shop sears.corn/craftsman

for all

of the accessories

for your hammer drill.

22

I

I

I

I

o

)

I

¥

r-m

L

Craftsman 28129 Operation Manual - Page 12

Figs.

Page 12 highlights