Craftsman 315.27994 User's Manual
Contents
1. Inspect toot cords periodically and if damaged have repaired at your nearest Factory Service Center or other Authorized Service Organization Constantly stay aware of cord location Following this rule will reduce the risk of electric shock or fire Check damaged parts Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced by an authorized service center Following this rule wiil reduce the risk of shock fire or serious injury Do not abuse cord Never carry the tooi by the cord or yank it to disconnect it from the receptacle Keep cord away from heat oil and sharp edges Following this rule will reduce the risk of electric shock or fire E Make sure your extension cord is in good condi tion When using an extension cord be sure to use one heavy enough to carry the current your prod uct will draw A wire gage size A W G of at least 16 is recommended for an extension cord 100 feet or less in length A cord exceeding 100 teet is not recommended If in doubt use the next heavier gage The smaller the gage number the heavier the cord An undersized cord will cause a drop in line voltage re2. When working outdoors use an extension cord that is suitable for outdoor use The cord s jacket will be marked WA A CAUTION Keep extension cords away from the drilling area and position the cord so that it will not get caught on lumber tools etc during drilling operation A WARNING Check extension cords before each use If damaged replace immediately Never use tool with a damaged cord since touching the damaged area could cause electrical shock resulting in serious injury Extension cords suitable for use with your drill are available at your nearest Sears Retail Store ACCESSORIES The following recommended accessories are currently available at Sears retail stores W W High Speed Bits For wood or metal 1 2 in Max l Doweling Jig Item No 9 4186 M Masonry Bits 000 cece csseeeceeeeeereeeeeee 3 4 in Max Mm Drill Stand Item No 9 25989 E Wood Boring Bits 0 0 ces ceeeeseeeeeteeeaees 1in Max m amp Wire Brushes All E Hole Saws inoen ania eeens ari i 2 in Max A WARNING The use of attachments or accessories not listed might be hazardous WARRANTY FULL ONE YEAR WARRANTY ON CRAFTSMAN PROFESSIONAL DRILL DRIVER if this CRAFTSMAN Drill Driver fails due to a defect in material or workmanship within one year from the date of pur chase Sears will repair it free of charge WARRANTY SERVICE IS AVAILABLE BY SIMPLY RETURNING THE TOOL TO THE NEAREST SEARS STORE OR SEARS SERVICE CENTER IN THE UNITED
3. suitable for drilling hard metals plastics and laminates E High speed produces best results when maximum power is required For example drilling in wood soft metals such as aluminum brass and copper and when using driving accessories TWO SPEED GEAR TRAIN See Figure 4 Your drill has a two speed gear train designed for drilling or driving at LO 1 or HI 2 speeds A slide switch is located on top of your drili to select either LO 1 or HI 2 speed When using drill in the LO 1 speed range speed will decrease and unit will have more power and torque When using drill in the HI 2 speed range speed will increase and unit will have less power and torque Use LO 1 speed for high power and torque applications and HI 2 speed for fast drilling or driving applications TWO SPEED GEAR TRAIN HI LO SWITCH LOCK See Figure 5 The switch trigger can be locked in the OFF position This feature can be used to prevent the possibility of accidental starting when not in use To lock switch trigger place the direction of rotation selector in center position SELECTOR REVERSE FORWARD Fig 5 OPERATION REVERSIBLE See Figure 5 This tool has the feature of being reversible The direction of rotation is controlled by a selector located above the switch trigger With the drill held in normal operating position the direction of rotation selector should be positioned to the left of the switch for drilling
4. ARNING Read and foliow ail instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury SAVE THESE INSTRUCTIONS Work Area mM Keep your work area clean and well lit Cluttered benches and dark areas invite accidents E Do not operate power tools in explosive atmo spheres such as in the presence of flammable liquids gases or dust Power tools may create sparks which may ignite the dust or fumes E Keep bystanders children and visitors away while Operating a power tool Distractions can cause you to lose control Electrical Safety E Double insulated tools are equipped with a polar ized 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 G eliminates the need for the three wire grounded power cord and 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 E Don t expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock GENERAL SAFETY RULES Do not abuse the cord Never use the cord to carry the tools or
5. ION SELECTOR Your drill driver has a forward reverse selector located above the switch trigger VARIABLE SPEED This tool has a variable speed switch that delivers higher speed with increased trigger pressure Speed is controlled by the amount of switch trigger depression TWO SPEED GEAR TRAIN Your drill driver has a two speed gear train designed for drilling or driving at HI or LO speeds A stide switch is located on top of your drill driver to select either HI or LO speed BIT STORAGE When not in use bits provided with your drill driver can be placed in the storage area located on the top of the motor housing AUXILIARY HANDLE An auxiliary handle is packed with your drill driver for ease of operation and to help prevent loss of control APPLICATIONS Use only for the purpose listed below E Drilling in wood E Drilling in ceramics plastics fiberglass and tami nates W Drilling in both hard and soft metals E Using driving accessories such as driving screws with screwdriver bits E Mixing paints PRODUCT SPECIFICATIONS DRILL DRIVER 315 279940 Chuck Capacity 1 16 in to 3 8 in Rating 120 V 60 Hz AC only Input 5 5 Amperes Gear Train Two Speed Switch Variable Speed No Load Speed 0 400 RPM Low 0 1400 RPM High Clutch 24 Positions Maximum Torque 668 in Ibs FEATURES TWO SPEED GEAR TRAIN HI LO BIT STORAGE AREA AUXILIARY HANDLE DIRECTION OF B ROTATION SELECTOR
6. KEYLESS 2 FORWARD REVERSE CHUCK LOCK ON TORQUE SWITCH BUTTON ADJUSTMENT TRIGGER RING ALE P SCREWDRIVER BITS 0 Fig 1 ASSEMBLY WARNING If any parts are missing do not operate WING SCREW TO LOOSEN your drill driver until the missing parts are replaced TORQUE Failure to do so could result in possible serious ADJUSTMENT personal injury TO TIGHTEN RING AUXILIARY HANDLE AUXILIARY See Figure 2 An auxiliary handle is packed with your dritl driver for ease of operation and to help prevent loss of control The handle can be rotated 360 Note For convenience and ease of starting threads the hex nut has been trapped inside the molded slot in the auxiliary handle TO INSTALL E Unplug your drill driver WARNING Failure to unplug your drill driver could result in accidental starting causing serious injury E Place ring of handle over the chuck and torque adjustment ring Note Notches in handle fits in a groove behind torque adjustment ring E Once in position behind torque adjustment ring rotate handle to desired angle E Thread wing screw into handle insert M Tighten wing screw securely HANDLE 360 ROTATION OPERATION SWITCH See Figure 3 To turn your drill ON depress the switch trigger Release switch trigger to turn your drill OFF FORWARD REVERSE SELECTOR CENTER POSITION LOCK EP SWITCH LOCK ON TRIGGER BUTTON TO INCREASE SPEED DEPRESS SWITCH TRIGGER Fig 3 LOCK ON BUTTON S
7. Owner s Manual CRAFTSMAN paoressiowar PROFESSIONAL 3 8 in PROFESSIONAL DRILL DRIVER Variable Speed Reversible Double Insulated Model No 315 279940 Save this manual for Safety future reference Features A CAUTION Read and follow e Assembly all Safety Rules and Operating SOE aAa Instructions before first use of ain enanos this product Parts List Customer Help Line 1 800 932 3188 Sears Roebuck and Co Hoffman Estates IL 60179 USA Visit the Craftsman web page www sears com craftsman c UL us 972000 826 3 01 e Table Of Conte mts sics Bec E a a e aae Oa a a ENE 2 E General Safety RUES iiinn a a E A E E a A a bs asd a A Ra ees 2 3 E Specific Safety Rules And Or Symbols 0000 0 ccc cceesececeseessseceeeesseeesccensesacceneseneensceaseaaecsascoesegusiessteeestesevseeenssenes 4 5 E AA T A shea E E E A E E 5 7 EL E ETET S EEE E AS E E A 7 E Operationens ona xin Steen a a A Aaa eaa Aa E a ia eE AN aa aesa ee areae KARNE is 8 11 E Maintenance ninisi hs e e lescvcoateceascedacdecsnatecsdessuactuvatecssnlossticcvdaiasseva sanessaigaicdceuasbeoadisoganndeaddusesudurdsosdvusnestieeaea 12 E Accessories minnn A a a a A a a e a AE a a eaa 13 BW Exploded View And Repair Parts List cee cesececseeccnseceeceeeensacescsenscecseeevuecesaseecsesesacessdenscessaeseeeseaaesenseeepseeees 15 E Parts QOrdenng 1 SORVICO Sionee reap i R a Ba ochre ebect tbe sta Metab te aehegw nang ccs Aisle aaan 16 W
8. Revolutions or Reciprocation Per Minute Revolutions strokes surface speed orbits etc per minute Safety Alert Symbol Indicates danger warning or caution It means attention Your safety is involved FEATURES DEFINITIONS A DANGER Failure to obey a safety warning will result in serious injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury B WARNING Failure to obey a safety warning can result in serious injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury C CAUTION Failure to obey a safety warning may result in property damage or personal injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury D NOTE Advises you of information or instructions vital to the operation or maintenance of the equipment A WARNING The operation of any drill can result in foreign objects being thrown into your eyes which can result in severe eye damage Before beginning power tool operation always wear safety goggles or safety glasses with side shields and a full face shield when needed We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields available at Sears Retail 4 ya FORESIGHT IS BETTER THAN NO SIGHT Stores FEATURES KNOW YOUR DRILL DRIVER
9. STATES This warranty gives you specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co Dept 817WA Hoffman Estates IL 60179 SAVE THESE INSTRUCTIONS 13 NOTES 14 CRAFTSMAN 3 8 in PROFESSIONAL DRILL DRIVER MODEL NO 315 279440 The model number will be found on a piate attached to the motor housing Always mention the model number in all correspondence regarding your CRAFTSMAN 3 8 in PROFESSIONAL DRILL DRIVER or when ordering parts SEE BACK PAGE FOR PARTS ORDERING INSTRUCTIONS SEE NOTE A PARTS LIST Part No Description 616478 003 Screw Specjal siini a sea a ee ceca vaan 981839 001 Auxiliary Handle descr sicidin ssn wolsgnuehese des pease easalmaane seualsdateoracdeetics 981840 001 Wing SOC OW oct ccs ace an iaa a tats onset Snes Otewbease a 981502 001 3 8 in Chuck Item No 9 20955 0 ccccccecsccccessescssevssessesseecseseeasens 982508 001 DALE PIANC E pega A E E EEE eens 982509 001 togo Plate irine eiee aaa Ee E a eeii 982510 001 Carrying Case Not Shown aseeseen renen 972000 826 Owner s Manual NOTE A The assembly shown represents an important part of the Double Insulated System To avoid the possibility of alteration or damage to the system service should be performed by your nearest Sears Repair Center Contact your nearest Sears Retail Store for Service Center information 15 Get it fixed at your home or ours For repair of major br
10. See Figure 1 Before attempting to operate your drill driver familiarize yourself with all operating features and safety require ments A WARNING Carefully read through this entire owner s manual before using your new drill driver Pay close attention to the Rules For Safe Operation Warnings and Cautions if you use your drill driver properly and only for what it is intended you will enjoy years of safe reliable service ELECTRICAL CONNECTION Your drill driver has a precision built electric motor It should be connected to a power supply that is 120 volts 60 Hz AC only normal household current Do not operate this tool on direct current DC A substantial voltage drop will cause a loss of power and the motor will overheat If your drill driver does not operate when plugged into an outlet double check the power supply WARNING Do not allow familiarity with your drill driver to make you careless Remember that a careless fraction of a second is sufficient to inflict severe injury KEYLESS CHUCK Your drill driver has a keyless chuck that allows you to hand tighten or release drill bit in the chuck jaws SWITCH To turn your drill driver ON depress the switch trigger Release switch trigger to turn your drill driver OFF SWITCH LOCK The switch trigger can be locked in the OFF position This feature helps reduce the possibility of accidental starting tool when not in use FORWARD REVERSE SELECTOR DIRECTION OF ROTAT
11. Service M Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replace ment parts Follow instructions in the Maintenance 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 AND OR SYMBOLS Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its cord Contact with a tive wire will make exposed metal parts of the tool live and shock the operator Additional Rules For Safe Operation Know your power tool Read operator s manual carefully Learn its applications and limitations as well as the specific potential hazards related to this tool Following this rule will reduce the risk of electric shock fire or serious injury Always wear safety glasses Everyday eyeglasses have only impact resistant lenses they are NOT safety glasses Following this rule will reduce the risk of serious personal injury Protect your lungs Wear a face or dust mask if the operation is dusty Following this rule will reduce the risk of serious personal injury Protect your hearing Wear hearing protection during extended periods of operation Following this rule will reduce the risk of serious personal injury
12. The drilling direction is reversed when the selector is to the right of the switch When the selector is in center position the switch trigger is locked A CAUTION To prevent gear damage always allow chuck to come to a complete stop before changing the direction of rotation or the two speed gear train hi lo To stop release switch trigger and allow the chuck to come to a complete stop A WARNING Your drill should never be connected to power supply when you are assembling parts making adjustments installing or removing drill bits cleaning or when not in use Disconnecting your drill will prevent accidental starting that could cause serious personal injury KEYLESS CHUCK See Figure 6 A keyless chuck has been provided with your drill to allow for easy installation and removal of bits As the name implies you can hand tighten or release drill bits in the chuck jaws Arrows on the chuck indicate which direction to rotate the chuck sleeve in order to LOCK tighten or UNLOCK release the chuck jaws Loosen the chuck sleeve by rotating it counterclockwise with one hand Insert drill bit straight into the chuck the full length of the jaws and tighten securely by rotating the chuck sleeve in clockwise direction UNLOCK Release CHUCK JAWS DRILL BIT ty LOCK Tighten CHUCK SLEEVE Fig 6 A WARNING Do not hold chuck sleeve with one hand and use power of the drill to tighten chuck jaws on drill bit Chuck
13. and appliances in your own home no matter who made it no matter who sold it 1 800 4 M Y H O M ESM Anytime day or night 1 800 469 4663 www sears com To bring in products such as vacuums lawn equipment and electronics for repair call for the location of your nearest Sears Parts amp Repair Center 1 800 488 1 222 Anytime day or night www sears com For the replacement parts accessories and owner s manuals that you need to do it yourself call Sears PartsDirect 1 800 366 PART 6am 11 p m CST 1 800 366 7278 7 days a week www sears com partsdirect To purchase or inquire about a Sears Service Agreement 1 800 827 6655 7a m 5 p m CST Mon Sat Para pedir servicio de reparacion a domicilio Au Canada pour service en francais y para ordenar piezas con entrega a domicilio 1 877 LE FOYER 1 888 SU HOGAR 1 877 533 6937 1 888 784 6427 SEARS HomeCentral Registered Trademark Trademark of Sears Roebuck and Co Sears Roebuck and Co Marca Registrada Marca de Fabrica de Sears Roebuck and Co
14. e workpiece and determine the reason for jamming OPERATION CHUCK REMOVAL See Figure 10 11 and 12 The chuck must be removed in order to use some accessories To remove E Unplug your drill A WARNING Failure to unplug your drill could result in accidental starting causing serious injury Place two speed gear train in the low setting and rotate torque adjusting ring to the maximum torque setting Insert a 8 mm 5 16 in or larger hex key wrench into the chuck of your drill and tighten the chuck jaws securely Tap the hex key wrench sharply with a mallet in a clockwise direction See Figure 10 This will loosen the screw in the chuck for easy removal MALLET TWO SPEED TORQUE GEAR TRAIN HI LO ADJUSTING CHUCK JAWS KEYLESS CHUCK HEX KEY WRENCH Fig 10 E Open the chuck jaws and remove hex key wrench Remove the chuck screw by turning it in a clockwise direction See Figure 11 Note The chuck screw has left hand threads SCREWDRIVER Fig 11 11 E Insert hex key wrench into chuck and tighten chuck jaws securely Tap sharply with a mallet in a counterclockwise direction This will loosen the chuck on the spindle It can now be unscrewed by hand See Figure 12 TO RETIGHTEN A LOOSE CHUCK The chuck may become loose on the spindle and develop a wobble To tighten follow these steps E Unplug your drill A WARNING Failure to unplug your drill could result in acciden
15. ed for appropriate conditions GENERAL SAFETY RULES Tool Use and Care Use clamps or another practical way to secure and support the workpiece to a stable platform Hoiding the work by hand or against your body is unstable and may lead to loss of control Do not force 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 tool if switch does not turn it on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of the reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edges are less likely to bind and are easier to control E 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 maintained tools 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
16. ee Figure 3 Your drill is equipped with a lock on feature which is convenient when continuous drilling for extended periods of time is required To lock on depress the switch trigger push in and hold the lock on button located on the side of the handle then release switch trigger Release lock on button and your drill will continue running To release the lock depress the switch trigger and release If you have the lock on feature engaged during use and your drill becomes disconnected from power supply disengage the lock on feature immediately VARIABLE SPEED See Figure 3 Your drill has a variable speed switch designed to allow operator control of speed and torque limits The speed and torque of your drill can be increased by depressing the switch trigger Note Depress switch trigger all the way for maximum speed and torque of your drill Depress switch trigger only part of the way for less speed and torque Avoid running your drill at low speeds for extended periods of time Running at low speeds under constant usage may cause your drill to become overheated If this occurs cool your drill by running it without a load and at full speed The following guidelines may be used in determining correct speed for various applications E Low speed is ideal when minimum speed and power is required For example starting holes without center punching driving screws mixing paint and drilling in ceramics E Medium speed is
17. puil the plug from an outlet Keep cord away from heat oil sharp edges or moving parts Replace damaged cords immediately Damaged cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These 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 operating a power tooi Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inatten tion while operating 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 Avoid accidental starting Be sure switch is off before plugging in Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents Remove adjusting keys or wrenches before turning the tool on A wrench or a key that is left attached toa rotating part of the tool may resuit in personal injury Do not overreach Keep proper footing and balance at ail times Proper footing and balance enables better contro of the tool in unexpected situations Use safety equipment Always wear eye protection Dust mask nonskid safety shoes hard hat or hearing protection must be us
18. s it is extremely important that the tool is cleaned frequently by blowing with an air jet LUBRICATION All of the bearings in this tool are lubricated with a suffi cient amount of high grade lubricant for the life of the unit under normal operating conditions Therefore no further lubrication is required A WARNING Always wear safety goggles or safety glasses with side shieids during power tool operation or when blowing dust If operation is dusty also wear a dust mask 12 DOUBLE INSULATION Double insulation is a concept in safety in electric power tools which eliminates the need for the usual three wire grounded power cord All exposed metal parts are isolated from the internal metal motor components with protecting insulation Double insulated tools do not need to be grounded IMPORTANT Servicing of a tool with double insulation requires extreme care and knowledge of the system and should be performed only by a qualified service technician For service we suggest you return the tool to your nearest Sears Service Center for repair Always use original factory replacement parts when servicing EXTENSION CORDS The use of any extension cord will cause some loss of power To keep the loss to a minimum and to prevent tool overheating use an extension cord that is heavy enough to carry the current the tool will draw Awire gage size A W G of at least 16 is recommended for an extension cord 100 feet or less in length
19. sleeve could slip in your hand or your hand could slip and come in contact with rotating drill bit This could cause an accident resulting in serious personal injury ADJUSTABLE TORQUE CLUTCH Your drill is equipped with an adjustable torque clutch for driving different types of screws into different materials The proper setting depends on the type of materia and the size of screw you are using TO ADJUST TORQUE Identify the twenty four torque indicator settings located on the front of your drill See Figure 7 E Rotate adjusting ring to the desired setting 1 4 For driving small screws 5 8 For driving screws into soft material e 9 12 For driving screws into soft and hard materials 13 16 For driving screws in hard wood 17 20 For driving large screws 21 4NN For heavy drilling TO DECREASE ADJUSTING TORQUE RING TO INCREASE TORQUE Fig 7 Note Remember the two speed feature HI LO when setting torque The amount of torque will vary depending on which speed setting you have your drill driver Switching to LO speed will increase torque Switching to HI speed will decrease torque OPERATION BIT STORAGE See Figure 8 When not in use bits provided with your drill can be placed in the storage area located on the top of your drill as shown in figure 8 BIT SCREWDRIVER Fig 8 WARNING Always wear safety goggles or safety glasses with side shields when operating your drill Failure
20. sulting in loss of power and overheating E Inspect for and remove all nails from lumber before drilling Following this rule will reduce the risk of serious personal injury E Drugs aicohol medication Do not operate tool while under the influence of drugs alcohol or any medication Foilowing this rule will reduce the risk of electric shock fire or serious personal injury E Save these instructions Refer to them frequently and use them to instruct others who may use this tool If you loan someone this tool loan them these instructions also A WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to cause cancer birth defects or other reproductive harm Some examples of these chemicals are lead from lead based paints e crystalline silica from bricks and cement and other masonry products and 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 chemicals 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 SYMBOLS SYMBOL NAME DESIGNATION EXPLANATION Alternating Current Type or a characteristic of current Direct Current Type or a characteristic of current No Load Speed Rotational speed at no load
21. tal starting causing serious injury E Open the chuck jaws E Insert hex key wrench into chuck and tighten chuck jaws securely Tap hex key wrench sharply with a mallet in a clockwise direction This will tighten the chuck on the spindle Open the chuck jaws and remove the hex key wrench E Tighten the chuck screw Note The chuck screw has left hand threads MAINTENANCE GENERAL All parts represent an important part of the double insulation system and should be serviced only at a Sears Service Center Avoid using solvents when cleaning plastic parts Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use Use clean cloths to remove dirt carbon dust etc A WARNING Do not at any time let brake fluids gasoline petroleum based products penetrating oils etc come in contact with plastic parts They contain chemicals that can damage weaken or destroy plastic It has been found that electric tools are subject to accelerated wear and possible premature failure when they are used on fiberglass boats sports cars wallboard spackling compounds or plaster The chips and grindings from these materials are highly abrasive to electric tool parts such as bearings brushes commutators etc Consequently it is not recommended that this tool be used for extended work on any fiberglass material wallboard spackling compounds or plaster During any use on these material
22. to do so could result in dust shavings loose particles or foreign objects being thrown into your eyes causing possible serious injury DRILLING See Figure 9 When drilling hard smooth surfaces use a center punch to mark desired hole location This will prevent the drill bit from slipping off center as the hole is started However the low speed feature allows starting holes without center punching if desired To accomplish this simply operate your drill at a low speed until the hole is started The material to be drilled should be secured in a vise or with clamps to keep it from turning as the drill bit rotates Hold tool firmly and place the bit at the point to be drilled Depress the switch trigger to start tool Move the drill bit into the workpiece applying only enough pressure to keep the bit cutting Do not force or apply side pressure to elongate a hole A A WARNING Be prepared for binding or bit breakthrough When these situations occur drill has a tendency to grab and kick opposite to the direction of rotation and could cause loss of control when breaking through material If not prepared this loss of control can result in possible serious injury When drilling metals use a light oil on the drill bit to keep it from overheating The oil will prolong the life of the bit and increase the drilling action If the bit jams in workpiece or if the drill stalls release switch trigger immediately Remove the bit from th
Download Pdf Manuals
Related Search