Craftsman 28129 Operation Manual - Page 9

SPINDLE

LOCK

(Fig.

10)

The spindle lock is a convenience

feature

that allows you to tighten

or loosen the chuck

jaws around a bit without

having to use the chuck key.

1. Unplug the hammer drill.

i Z_WARNING:

To

prevent personal injury, ALWAYS

disconnect

the

plug

from

power

|

3

source

BEFORE assembling

parts,

making

adjustments

or changing

bits.

J

2. Depress

and hold the spindle lock button.

3. While

keeping the button depressed,

manually

rotate the chuck

until the spindle

shaft "clicks" into a stationary

position.

Rotate clockwise

for tightening,

and

counterclockwise

for loosening.

4. Continue

to rotate the chuck until the jaws

are tight around

the bit. If loosening,

rotate

until the jaws are free of the bit.

5. Release the spindle

lock button.

Fig. 10

_

Spindle

\

Lock

Chuck Jaws

NOTE: To ensure

that jaws

are tight,

you

may want

to insert

the chuck

key into

the

chuck

and add an extra tightening

twist.

INSTALLING

AND

REMOVING

ACCESSORY

BITS

(Fig.

11)

You may install or remove bits using the spindle lock button as described

above, or you

may simply use the chuck key inserted

into the chuck. If you use the chuck key, you don't

have to depress the spindle lock button. To loosen or tighten

chuck with chuck key:

1. Unplug the hammer drill

i _WARNING:

To

prevent personal injury, ALWAYS

disconnect

the

plug

from

power

source

BEFORE assembling

parts,

making

adjustments

or changing

bits.

2.

Fig. 11

Chuck

3.

Insert chuck key into one of the holes in

the side of the chuck. Turn key to tighten

or loosen jaws for installing

or removing

bit

If tightening,

hold bit firmly

in place.

Always make sure bit is tightly secured

in the chuck jaws before beginning

operation.

Chuck

Jaws

16

BUBBLE

LEVEL

(Fig.

12)

In order to insure a perfect right angle when

drilling

/

driving and hammer

drilling into a

workpiece,

you can use the built-in bubble

level on the back of the drill

/

driver. The

bubble level is designed

to work when

the hammer drill is in a horizontal

position.

Line the air bubble up in the appropriate

circle,

and to the workpiece. This will help

insure that you will drill

/

drive or hammer

drill straight

into the workpiece.

Fig. 12

Level

LIVE TOOL

INDICATOR

LIGHT

(Fig.

13)

Your hammer

drill has a LIVE TOOL

INDICATOR

green LED light that comes

on when the drill is plugged

into a power

source. This lets you know you have a

live tool.

Fig. 13

Green

LED

Light

OPERATING

THE HAMMER

DRILL AS A DRILL

/

DRIVER

When

using your 1/2-in. Hammer

Drill for standard

drill/driving

applications,

make sure

you have the Rotary

and Hammer

Drilling

Selector

Switch

in the Rotary Drilling position

(see Page 13, Fig. 4).

NOTE: When

unplugging

the drill,

first

make

sure

that the

Power

Lock-On

Feature

is

not

engaged,

by pressing

on the trigger

switch

to release

it.

Failure

to

do so will

cause the

hammer

drill

to start

immediately

the

next time

it is

plugged

in.

Property

damage

or serious

personal

injury

could

result.

ROTARY

DRILLING

(Fig.

14)

1. Always unplug the drill when installing

or removing

bits and accessories.

2. Use sharp bits only. Always use Craftsman

bits and accessories

to help ensure desired

performance.

3. For drilling

in wood

use twist drill bits, spade bits, power auger bits and hold saws.

4. Start drilling

in wood with slow speed and increase to full power while applying

firm

pressure

on the hammer drill.

5. Pull the bit out of the hole frequently

to clear the wood chips away from the flutes to

help keep the bit from overheating.

17

Craftsman 28129 Operation Manual - Page 9

Spindle

Page 9 highlights