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CAUTION: 

Read, understand and 

followall Safety Rules and Operating 

Instructions in this manual before 

using this product. 

 

 

Operator’s Manual

8.0 Amp / Variable Speed / Reversible

1/2-in. Hammer Drill

• WARRANTY

• SAFETY

• UNPACKING

• DESCRIPTION

• OPERATION

• MAINTENANCE

Double Insulated

Model No. 
172.281290

3025736

Sears Brands Management Corporation, 

Hoffman Estates, IL 60179 U.S.A.

www.sears.com

6/5/12

Summary of Contents for 172.281290

Page 1: ...l before using this product Operator s Manual 8 0 Amp Variable Speed Reversible 1 2 in Hammer Drill WARRANTY SAFETY UNPACKING DESCRIPTION OPERATION MAINTENANCE Double Insulated Model No 172 281290 3025736 Sears Brands Management Corporation Hoffman Estates IL 60179 U S A www sears com 6 5 12 ...

Page 2: ...s listed in this manual may result in electric shock fire and or serious personal injury SYMBOL SIGNAL MEANING SAFETY ALERT SYMBOL Indicates DANGER WARNING OR CAUTION May be used in conjunction with other symbols or pictographs DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations Always f...

Page 3: ...he correct power tool for your application The correct power tool will do the job better and safer at the rate for which it was designed 2 Do not use the power tool if the switch does not turn it on and off Any power tool that cannot be controlled with the switch is dangerous and must be repaired 3 Disconnect the plug from the power source and or the battery pack from the power tool before making ...

Page 4: ...ded 16 14 14 14 12 12 Not More Than 120V 25 50 100 150 AWG SAFETY INSTRUCTIONS cont 7 SERVICE SAFETY 1 If any part of this tool is missing or should break bend or fail in any way or should any electrical component fail to perform properly SHUT OFF the power switch and remove the saw s plug from the power source and have the missing damaged or failed parts replaced BEFORE resuming operation 2 Have ...

Page 5: ... SAFETY INSTRUCTIONS cont 8 SAFETY RULES FOR HAMMER DRILLS cont 6 Maintain a firm grip on the hammer drill to resist starting torque 7 Wear safety goggles or other eye protection Hammering and drilling operations cause chips to fly Flying particles can cause permanent eye damage 8 Wear ear protectors when hammering for extended periods of time Temporary hearing loss or serious ear drum damage may ...

Page 6: ...aft for safe secure tightening of bits in chuck 10 360 Auxiliary Handle and Rear Handle with Soft Grip Provides maximum balance control and gripping comfort Auxiliary handle mounts in any position for left or right hand use 11 Depth Stop Rod Mounts in auxiliary handle and adjusts for precise pre set drilling depths 12 Bubble Level Helps provide more accurate right angle drilling driving and hammer...

Page 7: ...he 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 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 NOTE The selector switch must be in either the rotary or hammer drilling modes at all times there are no operable ...

Page 8: ...rward looking down pointing to the embossed arrow pointing forward towards the chuck This forward position is used for Rotary drilling driving and Hammer drilling 2 To reverse Bit Rotation when in the Rotary drilling driving mode only move the lever to the right of the trigger pointing to the embossed arrow pointing towards the rear of the drill This reverse position is ONLY USED when rotary drill...

Page 9: ... Pull the bit out of the hole frequently to clear the wood chips away from the flutes to help keep the bit from overheating Bubble Level Green LED Light 16 OPERATION cont 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 Fig 10 WARNING To prevent personal injur...

Page 10: ...6 to 1 2 inches can be made more easily if a pilot hole 5 32 to 3 16 inch is drilled first ROTARY DRILLING Fig 14 cont 6 Always clamp the workpiece firmly If drilling thin material use a wood back up block to prevent splintering or damage to the workpiece 7 Always apply pressure in a straight line with the bit Use enough pressure to keep the drill bit biting but do not push hard enough to stall th...

Page 11: ...er During any use on these materials it is extremely important that the tool is cleaned frequently by blowing with an air jet Periodic maintenance allows for long life and trouble free operation A cleaning lubrication and maintenance schedule should be maintained As a common preventive maintenance practice follow these recommended steps 1 When work has been completed clean the tool to allow smooth...

Page 12: ...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 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 dril...

Page 13: ...1 2 1 HAMMER DRILL MODEL NUMBER 172 281290 24 PARTS LIST cont Item No Parts No Part Description Qty 101 2 5 6 7 8 9 10 12 103 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 104 34 35 36 105 28 37 38 39 PDI800SU 101 PDI800SU 2 PDI800SU 5 PDI800SU 6 PDI800SU 7 PDI800SU 8 PDI800SU 9 PDI800SU 10 PDI800SU 12 PDI800SU 103 PDI800SU 15 PDI800SU 16 PDI800SU 17 PDI800SU 18 PDI800SU 19 PDI800SU 20 PDI800SU ...

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