Harbor Freight Tools 91176 User's Manual
Contents
1. Pack 14 and slide the Adapter 20 out The Battery Pack 14 needs an initial charge of approximately 5 hours After the initial charge recharge the unit for approximately 3 to 5hours Never charge the battery more than 5 hours See FIGURES 1 and 3 3 To check the power level on the Battery Pack 14 press the TEST button on the Battery Pack 14 See FIGURE 2 Always after charging use the TEST button to make sure a fully lit green light is on showing a fully charged battery When pushing the TEST button if the lights are partially lit that indicates a partial charge When fully lit Red low charge Yellow 1 2 charge Green Full Charge Test the Battery Pack periodically during operation and charge as needed Note These lights show the approximate level of charge 4 To load the Battery Pack 14 onto the Hammer Drill just slide it along the bottom of the Base 13 17 until it clicks into place Press the release button to remove the Battery Pack 14 See FIGURE 3 FIGURE 3 FIGURE 1 Battery Pack 14 State of Charge LEDs Adapter 20 Base 13 17 Battery Pack 14 FIGURE 2 Green Yellow Red POWER DISPLAY Close up of State of Charge LEDs SKU 91176 PAGE 10 REV 12 04 REV 11 05 OPERATING INSTRUCTIONS Continued FIGURE 4 Variable Speed Switch 5 _ Torque Indicator Arrow Torque Settings Jaws Rear Chuck 1 Front Chuck 1 Section Section Reverse Switch 6 Trigg2. 01 RAAN PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 91176 PAGE 14 ASSEMBLY DIAGRAM 7 The AC DC Adapter and Charger Base 20 is not shown NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 91176 PAGE 15
3. DRILL L MASTER 18 VOLT CORDLESS HAMMER DRILL KIT Model 91176 ASSEMBLY AND OPERATING INSTRUCTIONS A 0 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2004 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions please call 1 800 444 3353 PRODUCT SPECIFICATIONS Chuck Type 1 2 Keyless Chuck Revolutions Per Minute 0 500 RPM low 0 1600 RPM high Torque Settings 7 from 4 4 to 70 7 in Lbs Refer to Torque Settings chart on page 12 Battery 18 VDC Rechargeable NiCd Weight Drill Only 5 Lbs Kit includes Case 5 drill bits 5 driver bits 2 Long Extender Adapter Charger SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts list and as sembly diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual and invoice in a safe and dry place for future reference GENERAL SAFETY RULES WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA 1
4. ERES EXTENSION CORD LENGTH At Full Load 25 FEET 50 FEET 75 FEET 100 FEET 150 FEET 0 2 0 2 1 3 4 3 5 5 0 5 1 7 0 7 1 12 0 12 1 16 0 16 1 20 0 FIGURE C Based on limiting the line voltage drop to five volts at 150 of the rated amperes Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current Amperes No Load Revolutions per Minute RPM SKU 91176 PAGE 9 UNPACKING When unpacking check to make sure all the parts shown on the Parts List on page 14 are included If any parts are missing or broken please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible OPERATING INSTRUCTIONS NOTE For additional information regarding the parts listed in the following pages refer to the Assembly Diagram on page 15 Battery Pack 14 and Adapter 20 Use 1 Plug the Adapter power cord into an outlet When the Adapter 20 is plugged in but not connected to the battery both lights should be lit if this is not happening exchange the adapter When the battery is connected only the red light should be lit When the battery is fully charged the red light should go out and the green light should come on This may take up to 5 hours 2 Slide the Adapter into the slot on the top of the Battery Pack 14 until it clicks into place To remove the Adapter press the release button on the Battery
5. Keep your work area clean and well lit Cluttered benches and dark areas invite accidents 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes 3 Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control Protect others in the work area from debris such as chips and sparks Provide barriers or shields as needed SKU 91176 PAGE 2 REV 10 04 10 11 ELECTRICAL SAFETY Grounded adapters chargers must be plugged into an outlet properly in stalled and grounded in accordance with all codes and ordinances Never remove the grounding prong or modify the plug in any way Do not use any adapter plugs Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded If the Adapter Charger should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user Double insulated tools are equipped with a polarized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it still does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any way Double insulation O eliminates the need for the three wire grounded power cord a
6. PECTION MAINTENANCE AND CLEANING 1 WARNING Make sure the Trigger 16 of the Hammer Drill is in its OFF position and that the tool does not have a Battery Pack 14 attached before performing any inspection maintenance or cleaning procedures N BEFORE EACH USE inspect the general condition of the Hammer Drill Check for loose screws misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment ao After each use wipe the unit down with a lint free cloth aN Check that the Jaws of the Chuck 1 are clear of any dirt debris or grease o1 Check bits carefully Never use a cracked or bent bit New bits are available at Harbor Freight Tools O Properly recycle or dispose of Ni Cd battery when it no longer recharges Do not throw the battery in a fire Contact your local hazardous waste disposal authority for proper disposal SKU 91176 PAGE 13 PARTS LIST v o aS zZ e Description Chuck Gear Box Label Right Housing Variable Speed Switch Reverse Switch MOS Tube Radiating Flange Magnetic Block Left Housing Label Strap Left Base Battery Pack Revolving Base Trigger Right Base Bit Set Screw M3x14 AC DC Adapter Charger Base 00 N gt
7. XTENSION CORDS 1 Grounded tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord 2 As the distance from the supply outlet increases you must use a heavier gauge extension cord Using extension cords with inadequately sized wire causes a serious drop in voltage resulting in loss of power and possible tool damage See Figure C next page 3 The smaller the gauge number of the wire the greater the capacity of the cord For example a 14 gauge cord can carry a higher current than a 16 gauge cord See Figure C 4 When using more than one extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Figure C 5 If you are using one extension cord for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Figure C SKU 91176 PAGE 8 6 If you are using an extension cord outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use T Make sure your extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it 8 Protect your extension cords from sharp objects excessive heat and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE AMP
8. als work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq A WARNING People with pacemakers should consult their physician s before using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker In addition people with pacemakers should adhere to the following Avoid operating power tools alone Don t use a power tool with the power switch locked on If powered via a power cord be certain that the tool is properly grounded A ground fault interrupt GFCI system is also a good precaution This inexpensive device is a good safety measure because it prevents a sustained electrical shock Properly maintain and inspect all tools before use to avoid electrical shock SKU 91176 PAGE 6 WARNING Improperly connecting the grounding wire can result in the risk of electric shock Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded Do not modify the power cord plug provided with the tool Never remove the grounding prong from the plug Do not use the tool if the power cord or plug is damaged If damaged have it repaired by a service facility before use If the plug will not fit the outlet have a proper outlet installed by a qualified electric
9. battery with the Trigger depressed invites accidents Remove adjusting keys or wrenches before turning the power tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the power tool in unexpected situations Use safety equipment Always wear eye protection Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions TOOL USE AND CARE Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force the tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use the power tool if the Trigger does not turn it on or off Any tool that cannot be controlled with the Trigger is dangerous and must be replaced Disconnect the Power Cord Plug from the power source before making any adjustments changing batteries or storing the Charger Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep tools clean and bits sharp Properly maintained tools and sharp bits are less likely to bind and ar
10. e easier to control Do not use a damaged tool Tag damaged tools Do not use until repaired Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly main tained tools SKU 91176 PAGE 4 23 Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE 24 Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury 25 When servicing a tool use only identical replacement parts Follow instructions in the Inspection Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury SPECIFIC SAFETY RULES 1 Maintain labels and nameplates on the Hammer Drill These carry impor tant information If unreadable or missing contact Harbor Freight Tools for a replacement 2 Always wear safety impact eye goggles and heavy work gloves when using the Hammer Drill Using personal safety devices reduce the risk for injury Safety impact eye goggles and heavy work gloves are available from Harbor Freight Tools 3 Maintain a safe working environment Kee
11. eed is generally used for screw driving applications See FIGURE 5 4 Setthe Torque by aligning the desired Torque Torque Indicator Arrow Hammer Icon setting with the Torque Indicator Arrow See FIGURE 5 There are seven Torque setting J as icons They range from low driving settings to drill settings to the impact or hammer drill GUESS SSR UT sl 5 ee setting When using the Hammer Drill set ting line up the Hammer Icon with the Torque Indicator Arrow as shown in FIGURE 5 When using the Hammer Drill as a driver use the Driver Icons also shown The Drill Icon is not shown in figure 5 but looks like a drill bit Higher torque settings Drill lcon or Ham mer will break the heads off of screws Only use the Drill setting to bore or drill into an object The Hammer Setting works well when drilling chipping into concrete It is generally Torque Settings used to nhs a with the purpose of break Approximate Torque Amount a in inch pounds 5 Attach a Battery Pack 14 as explained on page 10 4 4 5 3 2 5 3 7 1 6 Holding the Hammer Drill clear of all ob stacles test it by gently pulling on the Trig 7 1 10 6 ger 16 If the bit turns clockwise you are in the drilling or driving position If the bit turns counterclockwise you are in the reverse po 5 Tra eoD sition to remove a screw or help pull a bit 6 266531 out of a workpiece Adjust the Reverse Switch 6 to change direction Do not use i the Reverse Sw
12. er 16 Driver Bit held in slot Strap 12 Battery Pack 14 NOTE Always switch to a fresh battery when tool performance begins to diminish Severe heat is most destructive to a battery the more heat generated the faster the battery loses power A battery that gets too hot can be permanently damaged Never over discharge a battery by continuing to pull the tool trigger When tool performance begins to diminish stop the tool recharge the battery and use a fresh battery for opti mal performance 1 CAUTION Always make sure the Battery Pack 14 is not attached to the Hammer Drill prior to making any adjustments and adding or removing bits to the tool 2 Determine the size bit you will use With one hand hold the rear section of the Chuck 1 firmly With the other hand turn the front section of the Chuck 1 counterclockwise to loosen the Chuck 1 and open the Jaws See FIGURE 4 Insert the non cutting end of the bit into the Jaws at least 1 4 Holding the rear section of the Chuck 1 firmly turn the front section of the Chuck 1 clockwise to tighten the Chuck 1 and close the Jaws Make sure the bit is securely held in the Jaws of the Chuck 1 by putting on a thick work glove and pulling on the bit SKU 91176 PAGE 11 ASSEMBLY AND OPERATING INSTRUCTIONS Continued 3 Set the speed by adjusting the Variable Speed Switch 5 to either 1 low or 2 high High speed is generally used for drilling applications and low sp
13. ian GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS I Tools marked with Grounding Required have a three wire cord and three prong grounding plug The plug must be connected to a properly grounded outlet If the tool should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user reducing the risk of elec tric shock See Figure A 2 The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See Figure A 3 Your tool must be plugged into an appropriate outlet properly installed and grounded in accordance with all codes and ordinances The plug and outlet should look like those in the following illustration See Figure A FIGURE A SKU 91176 PAGE 7 DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS 4 Tools marked Double Insulated do not require grounding They have a special double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code See Figure B 5 Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration See Figure B FIGURE B E
14. itch 6 when the drill is rotating FIGURE 5 Drilling Tips 7 After the workpiece is secure use an awl not included to punch a starter hole for the drill bit Place the bit on the workpiece prior to starting the Hammer Drill Holding the Hammer Drill with both hands gently squeeze the Trigger 16 increasing your tension on the Trigger 16 after you are sure the bit is securely in the pilot hole After complet ing the task stop the Hammer Drill reverse the direction of the drill see number 6 above and gently squeeze the Trigger 6 as you back out the drill SKU 91176 PAGE 12 ASSEMBLY AND OPERATING INSTRUCTIONS Continued Driving Screws After attaching the appropriate driver bit and securing your workpiece use an awl not included to punch in a pilot hole for the screw tip Insert the driver bit in the screw head and place the tip of the screw into the pilot hole Slowly squeeze the Trigger 16 allowing the screw to bite into the workpiece Gradually add more power by squeezing on Trigger 16 To remove screws insert the driver bit in the screw head and set the drill into reverse mode see number 6 on page 12 and slowly squeeze the Trigger 16 to back out the screw 00 co After using the Hammer Drill remove the Battery Pack 14 and then remove the bit from the Chuck 1 as explained on page 11 Note Periodically check the TEST button on the Battery Pack to check the battery status INS
15. nd grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to carry the tools or pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immedi ately Damaged Power Cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These extension cords are rated for outdoor use and reduce the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when oper ating a power tool Do not use a power tool while tired or under the influ ence of drugs alcohol or medication A moment of inattention while operat ing power tools may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts SKU 91176 PAGE 3 20 21 22 Avoid accidental starting Be sure the Trigger is off before plugging in Carrying power tools with your finger on the Trigger or adding a
16. p the work area well lit Make sure there is adequate surrounding workspace Always keep the work area free of obstructions grease oil trash and other debris Do not use a power tool in areas near flammable chemicals dusts and vapors Do not use this product in a damp or wet location 4 When using a handheld power tool always maintain a firm grip on the tool with both hands to resist starting torque 5 Avoid unintentional starting Make sure you are prepared to begin work before turning on the Hammer Drill 6 Do not force the Hammer Drill This tool will do the work better and safer at the speed and capacity for which it was designed SKU 91176 PAGE 5 10 Always remove the Battery Pack 14 before operation inspection maintenance or cleaning procedures Know what you are drilling into When drilling into a structure make sure no electrical wires cables or plumbing is behind the surface A WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contain chemicals known to the State of Cali fornia to cause cancer birth defects or other reproductive harm Some ex amples of these chemicals are lead from lead based paints crystalline silica from bricks and cement or other masonry products arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemic
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