Delta 11-990C Drill User Manual
Contents
1. 12 Bench Drill Press Model 11 990C DELTA PART NO 1234956 011 Copyright 2001 Delta Machinery To learn more about DELTA MACHINERY visit our website at www deltamachinery com For Parts Service Warranty or other Assistance please call 1 800 GO DELTA 463 3582 TIWANVIN NOILONGLSNI SAFETY RULES Woodworking can be dangerous if safe and proper operating procedures are not followed As with all machinery there are certain hazards involved with the operation of the product Using the machine with respect and caution will considerably lessen the possibility of personal injury However if normal safety precautions are overlooked or ignored personal injury to the operator may result Safety equipment such as guards push sticks hold downs featherboards goggles dust masks and hearing protection can reduce your potential for injury But even the best guard won t make up for poor judgment carelessness or inattention Always use common sense and exercise caution in the workshop lf a procedure feels dangerous don t try it Figure out an alternative procedure that feels safer REMEMBER Your personal safety is your responsibility This machine was designed for certain applications only Delta Machinery strongly recommends that this machine not be modified and or used for any application other than that for which it was designed If you have any questions relative to a particular application DO NOT u2. this helps to reduce splintering and protects the point of the bit DRILLING METAL Use clamps to hold the work when drilling in metal The work should never be held in the bare hand the lips of the drill may seize the work at any time especially when breaking through the stock If the piece is whirled out of the operator s hand he may be injured The drill will be broken when the work strikes the column The work must be clamped firmly while drilling any tilting twisting or shifting results not only in a rough hole but also increases drill breakage For flat work lay the piece on a wooden base and clamp it firmly down against the table to prevent it from turning If the piece is of irregular shape and cannot be laid flat on the table it should be securely ACCESSORIES A complete line of accessories is available from your Delta Supplier Porter Cable e Delta Factory Service Centers and Delta Authorized Service Stations Please visit our Web Site www deltamachinery com for a catalog or for the name of your nearest supplier WARNING Since accessories other than those offered by Delta have not been tested with this product use of such accessories could be hazardous For safest operation only Delta recommended accessories should be used with this product 14 NOTES ADELTA PARTS SERVICE OR WARRANTY ASSISTANCE All Delta Machines and accessories are manufactured to high quality standards and are serviced by a network of Porter
3. Cable Delta Factory Service Centers and Delta Authorized Service Stations To obtain additional information regarding your Delta quality product or to obtain parts service warranty assistance or the location of the nearest service outlet please call 1 800 223 7278 In Canada call 1 800 463 3582 OOO OOOO III INI III INNIS INI INI ISIN NIN GS OG DR OG ee OG ee eS aS v i K Delta Building Trades and Home Shop Machine Q K 2 T imi Ko SY wo Year Limited Warranty oe 2 GY Delta will repair or replace at its expense and at its option any Delta machine machine part or machine accessory which 6S in normal use has proven to be defective in workmanship or material provided that the customer returns the product A Ka prepaid to a Delta factory service center or authorized service station with proof of purchase of the product within two Ko K years and provides Delta with reasonable opportunity to verify the alleged defect by inspection Delta may require that Q RA electric motors be returned prepaid to a motor manufacturer s authorized station for inspection and repair or replacement oe 6S Delta will not be responsible for any asserted defect which has resulted from normal wear misuse abuse or repair or A Ka alteration made or specifically authorized by anyone other than an authorized Delta Service facility or representative eea KA Under no circumstances will Delta be liable for incidental or consequential damages resulting from
4. parts before resuming operation 23 ADDITIONAL INFORMATION regarding the safe and proper operation of this product is available from the National Safety Council 1121 Spring Lake Drive Itasca Illinois 60143 3201 in the Accident Prevention Manual for Industrial Operations and also in the Safety Data Sheets provided by the NSC Please also refer to the American National Standards Institute ANSI 01 1 Safety Requirements for Woodworking Machinery and the U S Department of Labor OSHA 1910 212 and 1910 213 Regulations UNPACKING AND CLEANING Your drill press is shipped complete in one container Carefully unpack the drill press and all loose items from the container Figure 2 illustrates the drill press and all loose items supplied with the machine After assembly remove the protective coating from the table surface This coating may be removed with a soft cloth moistened with kerosene do not use acetone gasoline or lacquer thinner for this purpose After cleaning it is good practice to cover the table surface with a good quality paste wax Buff out the wax thoroughly to prevent it from rubbing into your workpiece ZNWARNING FOR YOUR OWN SAFETY DO NOT CONNECT THE TOOL TO THE POWER SOURCE UNTIL THE MACHINE IS COMPLETELY ASSEMBLED AND YOU HAVE READ AND UNDERSTOOD THE ENTIRE INSTRUCTION MANUAL 1 Drill Press Head and Motor 2 Column Base Flange and Table Raising Mechanism 3 Clamp Handle 4 Table 5 Base 6 Pinon Shaft H
5. through the two holes A Fig 17 located in the drill press base Ls SOVRUNAARRNA Ahonen Fig 17 CONNECTING TOOL TO POWER SOURCE POWER CONNECTIONS A separate electrical circuit should be used for your tools This circuit should not be less than 12 wire and should be protected with a 20 Amp time lag fuse If an extension cord is used use only 3 wire extension cords which have 3 prong grounding type plugs and 3 pole receptacles which accept the tool s plug Before connecting the motor to the power line make sure the switch is in the OFF position and be sure that the electric current is of the same characteristics as indicated on the tool All line connections should make good contact Running on low voltage will damage the motor MOTOR SPECIFICATIONS Your tool is wired for 120 volt 60 HZ alternating current Before connecting the tool to the power source make sure the switch is in the OFF position The motor provides a no load speed of 1720 RPM GROUNDING INSTRUCTIONS VAN WARNING THIS TOOL MUST BE GROUNDED WHILE IN USE TO PROTECT THE OPERATOR FROM ELECTRIC SHOCK 1 All grounded cord connected tools In the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock This tool is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is
6. type plug to a 2 pole receptacle The temporary adapter should be used only until a properly grounded outlet can be installed by a qualified electrician The green colored rigid ear lug or the like extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box cover Whenever the adapter is used it must be held in place with a metal screw NOTE In Canada the use of a temporary adapter is not permitted by the Canadian Electric Code iN WARNING IN ALL CASES MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED IF YOU ARE NOT SURE HAVE A CERTIFIED ELECTRICIAN CHECK THE RECEPTACLE GROUNDED OUTLET BOX GROUNDING MEANS ADAPTER Fig 19 EXTENSION CORDS Use proper extension cords Make sure your extension cord is in good condition and is a 3 wire extension cord which has a 3 prong grounding type plug and a 3 pole receptacle which will accept the tool s plug When using an extension cord be sure to use one heavy enough to carry the current of the machine An undersized cord will Cause a drop in line voltage resulting in loss of power and overheating Fig 20 shows the correct gauge to use depending on the cord length If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord STARTING AND STOPPING DRILL PRESS The switch A Fig 21 is located on the front of the drill press head To turn the drill press ON move the switch to t
7. andles 3 7 Chuck 8 Chuck Key 9 Wrenches 2 10 Worm Gear for Table Raising and Lowering Mechanism 11 Table Raising and Lowering Handle 12 25mm 1 long Hex Head Cap Screws 4 13 125mm 5 long Carriage Screws 2 Flat Washers 2 Lock Washers 2 Hex Nuts 2 ASSEMBLY 1 Assemble the column A Fig 3 to the base B using the four screws C three of which are shown Loosen set screw D and remove ring E and raising rack F 2 Make certain worm gear G Figs 4 and 5 is in place in table bracket H as shown 3 Insert raising rack F Fig 6 which was removed in STEP 1 into groove in table bracket making sure teeth of worm gear G located inside table bracket are engaged with teeth of raising rack F Fig 6 4 Slide raising rack F Fig 7 table and table bracket onto drill press column as shown Make sure bottom of raising rack F Fig 8 is engaged with flange J on drill press base 5 Re assemble ring E Fig 9 which was removed in STEP 1 IMPORTANT Bottom of ring E MUST NOT be pushed all the way down onto top of raising rack F MAKE SURE top of raising rack F is under bottom of ring E and that there is enough clearance to allow rack F to rotate around the column THEN TIGHTEN SET SCREW D 6 Assemble table raising and lowering handle K Fig 10 to worm gear shaft G and tighten screw L against flat on shaft 7 Figure 11 i
8. defective products R 6 This warranty is Delta s sole warranty and sets forth the customer s exclusive remedy with respect to defective products Co 6S all other warranties express or implied whether of merchantability fitness for purpose or otherwise are expressly A KD disclaimed by Delta ea 16
9. erform 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 21 DIRECTION OF FEED Feed work into a blade or saat against the direction of rotation of the blade or cutter only 22 NEVER LEAVE TOOL RUNNING UNATTENDED TURN POWER OFF Don t leave tool until it comes to a complete stop 23 DRUGS ALCOHOL MEDICATION Do not operate tool while under the influence of drugs alcohol or any medication 24 MAKE SURE TOOL IS DISCONNECTED FROM POWER SUPPLY while motor is being mounted connected or re connected 25 THE DUST GENERATED by certain woods and wood products can be injurious to your health Always operate machinery in well ventilated areas and provide for proper dust removal Use wood dust collection systems whenever possible 26 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 e lead from lead based paints e crystalline silica from bricks and cement and other masonry products and e 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
10. he up position To turn the drill press OFF move the switch to the down position LOCKING SWITCH IN THE OFF POSITION When the tool is not in use the switch should be locked in the OFF position to prevent unauthorized use This can be done by grasping the switch toggle B and pulling it out of the switch as shown in Fig 22 With the switch toggle B removed the switch will not operate However should the switch toggle be removed while the drill press is operating the switch can be turned OFF once but cannot be restarted without inserting the switch toggle B 10 MINIMUM GAUGE EXTENSION CORD RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC TOOLS Extension Cord Volts Total Length of Rating Cord in Feet 120 120 120 120 120 120 120 120 120 120 120 120 up to 25 25 50 50 100 100 150 TABLE ADJUSTMENTS 1 The table can be raised or lowered on the drill press column by loosening the table clamp handle A Fig 23 and turning the table raising and lowering handle B Fig 24 After the table is at the desired height tighten handle A Fig 23 NOTE Final positioning of the drill press table should always be from the bottom to the up position 2 The table can be rotated 360 degrees on the column by loosening clamp handle A Fig 23 rotate table to desired position and tighten clamp handle A 3 The table can be tilted right or left by pulling out and removing table alignmen
11. inside top cover of the drill press for your convenience 5 After the belt is positioned on the desired steps of the motor and spindle pulleys pivot motor away from the drill press head until the belt is properly tensioned and tighten tension lock knob B Fig 30 The belt should be just tight enough to prevent slipping Excessive tension will reduce the life of the belt pulleys and bearings Correct tension is obtained when the belt C can be flexed about one inch out of the line midway between the pulleys using light finger pressure DRILLING HOLES TO DEPTH Where a number of holes are to be drilled to exactly the same depth a depth stop is provided in the pinion shaft housing and is used as follows 1 Loosen lock screw A Fig 31 and rotate housing B until the pointer C lines up with the desired depth indicated on scale D Then tighten lock screw A 2 All holes will then be drilled to the exact depth as indicated on scale D Fig 31 NOTE Scale D is calibrated in both inches and millimeters 12 SPINDLE 3100 2340 SSSS 1720 1100 620 Fig 28 ADJUSTING SPINDLE RETURN SPRING The spindle is automatically returned to its upper most position upon release of the handle It is recommended that the handle be allowed to slowly return to the top position after all holes have been bored in the material This spring has been properly adjusted at the factory and should not be d
12. isturbed unless absolutely necessary To adjust the return spring proceed as follows 1 Disconnect the tool from the power source 2 Loosen the two nuts B Fig 32 approximately 1 4 Do not remove nuts B from shaft C 3 While firmly holding spring housing A Fig 33 pull out housing and rotate it until the boss D is engaged with the next notch on the housing Turn the housing counterclockwise to increase and clockwise to decrease spring tension Then tighten the two nuts B to hold the housing in place IMPORTANT Inside nut B should not contact spring housing A when tight OPERATION The following directions will give the inexperienced operator a start on common drill press operations Use scrap material for practice to get a feel of the machine before attempting regular work WARNING The use of accessories and attach ments not recommended by Delta may result in risk of injury IMPORTANT When the workpiece is long enough it should always be positioned on the table with one end against the column as shown in Fig 34 This prevents the workpiece from rotating with the drill bit or cutting tool causing damage to the workpiece or personal injury to the operator If it is not possible to support the workpiece against the column the workpiece should always be fastened to the table using clamps or a vise INSTALLING AND REMOVING DRILL BITS 1 Insert smooth end of drill bit A Fig 35 as far as it will go in
13. llustrates the table raising and lowering handle K assembled to worm gear shaft G 8 Thread clamp handle M Fig 12 into hole in rear of table bracket as shown 9 Place the drill press head N Fig 13 onto the column as far as it will go Align head to table and base and tighten the two head locking screws O with wrench supplied 10 Thread the three pinion shaft handles P Fig 14 into the three tapped holes located in the pinion shaft as shown Fig 12 11 IMPORTANT Make certain the spindle taper Q Fig 15 and tapered hole in chuck R are clean and free of any grease lacquer or rust preventive coatings NOTE Household oven cleaner can effectively remove any substance from the spindle and chuck however carefully follow the manufacturer s safety rules concerning its use 12 IMPORTANT OPEN THE CHUCK JAWS AS WIDE AS POSSIBLE MAKING SURE THE CHUCK JAWS ARE UP INSIDE CHUCK 13 Carefully drive chuck S Fig 16 onto the spindle with a block of wood and hammer or a rubber mallet T as shown This will seat the chuck properly on the spindle IMPORTANT To avoid damage to the chuck NEVER drive the chuck onto the spindle with a metal hammer Fig 16 FASTENING DRILL PRESS TO SUPPORTING SURFACE If during operation there is any tendency for the drill press to tip over slide or walk on the supporting surface the drill press base must be secured to the supporting surface with fasteners
14. properly installed and grounded in accordance with all local codes and ordinances Do not modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electrician Improper connection of the equipment grounding conductor can result in risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary do not connect the equipment grounding conductor to a live terminal Check with a qualified electrician or service personnel if the grounding instructions are not completely understood or if in doubt as to whether the tool is properly grounded Use only 3 wire extension cords that have 3 prong grounding type plugs and 3 pole receptacles that accept the tool s plug as shown in Fig 18 Repair or replace damaged or worn cord immediately GROUNDED OUTLET BOX CURRENT CARRYING PRONGS GROUNDING BLADE _ IS LONGEST OF THE 3 BLADES Fig 18 2 Grounded cord connected tools intended for use on a supply circuit having a nominal rating less than 150 volts This tool is intended for use on a normal 120 volt circuit and has a grounded plug that looks like the plug illustrated in Fig 18 If a properly grounded outlet is not available a temporary adapter shown in Fig 19 may be used for connecting the 3 prong grounding
15. r when using hole saw or cutting tools larger than 1 2 in diameter 11 USE recommended speed for drill accessory or workpiece material 12 MAKE CERTAIN all lock handles are tightened before starting the machine 13 NEVER perform layout assembly or set up work on the table while the drill is operating 14 BE SURE drill bit or cutting tool is not damaged and is properly locked in the chuck before operating 15 MAKE SURE chuck key is removed from chuck before starting drill press ONLY use chuck key provided with your drill press It is equipped with a self ejecting pin which eliminates the hazard of the key being left in the chuck 16 ADJUST the table or depth stop to avoid drilling into the table 17 ALWAYS allow the drill press to stop before removing scrap pieces from the table 18 WHEN drilling large workpieces MAKE SURE the material is supported at table height 19 SHUT OFF the power remove the drill bit or cutting tool and clean the table and work area before leaving the machine 20 DON T wear gloves necktie or loose clothing when operating the drill press 21 WHEN THE TOOL IS NOT IN USE the switch should be locked in the OFF position to prevent unauthorized use of the tool 22 SHOULD any part of your tool be missing damaged or fail in anyway or any electrical component fail to perform properly shut off switch and remove plug from power supply outlet Replace missing damaged or failed
16. se the machine until you have first contacted Delta to determine if it can or should be performed on the product Technical Service Manager Delta Machinery 4825 Highway 45 North Jackson TN 38305 A IN CANADA 505 SOUTHGATE DRIVE GUELPH ONTARIO N1H 6M7 WARNING FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY 1 FOR YOUR OWN SAFETY READ INSTRUCTION MANUAL BEFORE OPERATING THE TOOL Learn the tool s application and limitations as well as the specific hazards peculiar to it 2 KEEP GUARDS IN PLACE and in working order 3 ALWAYS WEAR EYE PROTECTION 4 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 5 KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents 6 DON T USE IN DANGEROUS ENVIRONMENT Don t use power tools in damp or wet locations or expose them to rain Keep work area well lighted 7 KEEP CHILDREN AND VISITORS AWAY All children and visitors should be kept a safe distance from work area 8 MAKE WORKSHOP CHILDPROOF with padlocks master switches or by removing starter keys 9 DON T FORCE TOOL It will do the job better and be safer at the rate for which it was designed 10 USE RIGHT TOOL Don t force tool or attachment to do a job for which it was not designed 11 WEAR PROPER APPAREL No loose clothing gloves neckties rings bracelets or other jewelry
17. t pin C Fig 25 and loosening table locking bolt D NOTE If pin C is difficult to remove turn nut E clockwise to pull pin out of casting Tilt table to the desired angle and tighten bolt D 4 When returning table to the level position loosen pin C Fig 26 and loosen locking bolt D Position the table to the O degree mark on the tilt scale and then replace pin C and tighten locking bolt D Fig 25 5 A tilt scale E Fig 27 is provided on the table bracket casting to indicate the degree of tilt A witness line F is also provided on the table to line up with scale E 11 SPINDLE SPEEDS Five spindle speeds of 620 1100 1720 2340 and 3100 RPM are available The highest speed is obtained when the belt is on the largest step of the motor pulley and the smallest step of the spindle pulley as shown in Fig 28 Fig 28 illustrates which steps the pulleys the belt must be placed to obtain the five speeds available CHANGING SPEEDS AND ADJUSTING BELT TENSION 1 Disconnect the tool from the power source 2 Lift up the belt and pulley guard A Fig 29 3 Release belt tension by loosening tension lock knob B Fig 29 and pivoting the motor toward the front of the drill press as shown 4 While holding the motor toward the front of the drill press head position the belt C on the desired steps of the motor and spindle pulleys as shown in Fig 29 A belt positioning chart D is provided on the
18. 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 SAVE THESE INSTRUCTIONS ADDITIONAL SAFETY RULES FOR DRILL PRESSES 1 DO NOT operate your tool until it is completely assembled and installed according to the instructions 2 IF YOU ARE NOT thoroughly familiar with the operation of drill presses obtain advice from your supervisor instructor or other qualified person 3 YOUR TOOL MUST be securely fastened to a stand or workbench If there is any tendency for the stand or workbench to move during operation the stand or workbench MUST be fastened to the floor 4 NEVER turn the tool ON before clearing the table of all objects tools scrap pieces etc 5 NEVER start the tool with the drill bit or cutting tool in contact with the workpiece 6 USE ONLY drill bits cutters sanding drums and other accessories with 1 2 shank or less 7 ALWAYS keep hands and fingers away from the drill bit or cutting tool 8 DO NOT ATTEMPT to drill material that does not have a flat surface unless a suitable support is used 9 AVOID awkward hand positions where a sudden slip could cause a hand to move into the drill bit or cutting tool 10 TO PREVENT ROTATION OF THE WORKPIECE ALWAYS clamp work securely to table if it is too short to contact the column see OPERATION section of this manual o
19. to get caught in moving parts Nonslip footwear is recommended Wear protective hair covering to contain long hair 12 ALWAYS USE SAFETY GLASSES Wear safety glasses Everyday eyeglasses only have impact resistant lenses they are not safety glasses Also use face or dust mask if cutting operation is dusty These safety glasses must conform to ANSI Z87 1 requirements Note Approved glasses have Z87 printed or stamped on them 13 SECURE WORK Use clamps or a vise to hold work when practical Its safer than using your hand and frees both hands to operate tool 14 DON T OVERREACH Keep proper footing and balance at all times 15 MAINTAIN TOOLS IN TOP CONDITION Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories 16 DISCONNECT TOOLS before servicing and when changing accessories such as blades bits cutters etc 17 USE RECOMMENDED ACCESSORIES The use of accessories and attachments not recommended by Delta may cause hazards or risk of injury to persons 18 REDUCE THE RISK OF UNINTENTIONAL STARTING Make sure switch is in OFF position before plugging in power cord 19 NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if the cutting tool is accidentally contacted 20 CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to ensure that it will operate properly and p
20. to the chuck B and then back the bit out 1 16 or up to the flutes for small bits 2 Make certain that the drill bit A Fig 35 is centered in the chuck B before tightening the chuck with the key C 3 Turn the chuck key C Fig 35 clockwise to tighten and counterclockwise to loosen the chuck jaws 4 Tighten all three chuck jaws to secure the drill bit sufficiently so that it does not slip while drilling 5 MAKE SURE chuck key C Fig 35 is removed from chuck before starting drill press Your chuck key C is equipped with a self ejecting pin D which eliminates the hazard of the key being left in the chuck 13 BORING IN WOOD Twist drills although intended for metal drilling may also be used for boring holes in wood However machine spur bits are generally preferred for working in wood they cut a flat bottom hole and are designed for removal of wood chips Do not use hand bits which have a screw tip at drill press speeds they turn into the wood so rapidly as to lift the work off the table and whirl it For through boring line up the table so that the bit will enter the center hole to avoid damage Scribe a vertical line on the front of the column and a matchmark on the table bracket so that the table can be clamped in the center position at any height Feed slowly when the bit is about to cut through the wood to prevent splintering the bottom face Use a scrap piece of wood for a base block under the work
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