DESCRIPTION cont.

 

OPERATION

 

 

 

This Hammer Drill has the following features: cont.

14.Metal Gear Box and Die-Cast Aluminum Gear Housing For durability and long life. Helps protect tool from damage

15.High Impact-Resistant Housing

Helps protect tool from damage and reduces weight

16.Permanently Lubricated 100% Ball Bearings For smooth operation and long life

17.Impact Resistant Case

For easy carrying and convenient storage of drill and accessories

Fig. 2

Bubble Level

Drill / Hammer

Mode Selector SwitchVariable Speed

Trigger Switch

Auxiliary

Power Lock-on

Handle

Button

Rear Handle with Soft Grip

 

 

Forward

Depth

Spindle Lock

Reverse Lever

 

 

 

Stop Rod

Keyed Chuck

 

!WARNING: Do not allow familiarity with tools to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury.

!WARNING: Always wear safety goggles or safety glasses with side shields when operating power tools. Failure to do so could result in objects being thrown into your eyes, resulting in possible serious injury.

VARIABLE SPEED TRIGGER SWITCH (Fig. 3)

Fig. 3

 

The variable speed trigger switch controls the variable speed in either the rotary drilling or hammer drilling modes.

The drill delivers higher speed and torque with increased pressure on the trigger switch and lower speed and torque when the pressure is decreased.

To start the hammer drill, press the trigger switch. To stop hammer drill, release the trigger switch.

NOTE: You might hear a whistling or ringing noise from the trigger switch during low speed use. Do not be concerned; this is a normal part of the switch function.

ROTARY AND HAMMER DRILLING MODE SELECTOR SWITCH (Fig. 4)

Chuck Jaws

Live Tool Indicator

10-Ft. Power Cord

PRODUCT SPECIFICATIONS

Rating

120 Volts, 60 Hz AC

 

 

Input

8.0 Amps

Rotary Drilling (No-load Speed)

0-2800 / min. Variable Speed

 

 

Hammer Drilling (No-load Speed)

0-44,800 / BPM (blows per minute) Impact rate

Chuck

1/2-in. Keyed

Always have the trigger switch in the OFF position when operating the mode selector switch.

To select the rotary or hammer drilling mode:

1.Press in the end of the selector lever and rotate so the lever points to either the rotary drilling symbol

or the hammer drilling symbol.

2.When the lever is pointing to the mode you selected, you will feel it click in on the selection, and the drill will now operate in your selected mode.

Fig. 4

6

7

NOTE: The selector switch must be in either the rotary or hammer drilling modes at all times; there are no operable positions between the two modes.

12

13

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Image 7
Craftsman 172.28129 Operation, Variable Speed Trigger Switch Fig, Rotary and Hammer Drilling Mode Selector Switch Fig

172.28129 specifications

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