OPERATOR’S MANUAL 12 in. DIGITAL DRILL PRESS DP121l Your drill press has been engineered and manufactured to our high standard for dependability, ease of operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance. WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using this product. Thank you for your purchase.
TABLE OF CONTENTS Introduction...................................................................................................................................................................... 2 Warranty........................................................................................................................................................................... 2 General Safety Rules........................................................
GENERAL SAFETY RULES ALWAYS WEAR SAFETY GLASSES WITH SIDE SHIELDS. Everyday eyeglasses have only impactresistant lenses, they are NOT safety glasses. WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. SECURE WORK. Use clamps or a vise to hold work when practical, it is safer than using your hand and frees both hands to operate the tool. DO NOT OVERREACH.
GENERAL SAFETY RULES DO NOT USE TOOL IF SWITCH DOES NOT TURN IT ON AND OFF. Have defective switches replaced by an authorized service center. KEEP TOOL DRY, CLEAN, AND FREE FROM OIL AND GREASE. Always use a clean cloth when cleaning. Never use brake fluids, gasoline, petroleum-based products, or any solvents to clean tool. ALWAYS TURN SWITCH OFF before disconnecting it to avoid accidental starting. NEVER START A TOOL WHEN ANY ROTATING COMPONENT IS IN CONTACT WITH THE WORKPIECE.
SPECIFIC SAFETY RULES KEEP BITS CLEAN AND SHARP. Sharp bits minimize stalling. Dirty and dull bits may cause misalignment of the material and possible operator injury. Always ensure the laser beam is aimed at a surface without reflective properties. Shiny reflective materials are not suitable for laser use. KEEP HANDS AWAY FROM WORK AREA. Keep hands away from the bit. Restrain any loose clothing, jewelry, long hair, etc., that may become entangled in the bit.
SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.
SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.
Electrical Extension Cords SPEED AND WIRING Use only 3-wire extension cords that have 3-prong grounding plugs and 3-pole receptacles that accept the tool’s plug. When using a power tool at a considerable distance from the power source, use an extension cord heavy enough to carry the current that the tool will draw. An undersized extension cord will cause a drop in line voltage, resulting in a loss of power and causing the motor to overheat.
GLOSSARY OF TERMS Anti-Kickback Pawls (radial arm and table saws) A device which, when properly installed and maintained, is designed to stop the workpiece from being kicked back toward the front of the saw during a ripping operation. Arbor The shaft on which a blade or cutting tool is mounted. Bevel Cut A cutting operation made with the blade at any angle other than 90° to the table surface. Chamfer A cut removing a wedge from a block so the end (or part of the end) is angled rather than at 90°.
FEATURES product specifications Chuck......................................................................... 1/2 in. Spindle Travel................................................................ 3 in. Input................................ 120 Volt, 60Hz, AC Only, 5 Amps Table Size.......................................................10-3/4 in. dia. Motor......................................................... 1/3 HP Induction Table Movement................................
FEATURES KNOW YOUR drill press feed handles See Figure 2. Before attempting to use this product, familiarize yourself with all operating features and safety rules. Feed handles raise and lower the chuck and bit during the drilling operation. Motor bevel scale The bevel scale indicates the degree the table is tilted. Your drill press is equipped with an industrial duty induction motor for long-lasting, smooth performance.
LOOSE PARTS The following items are included with the drill press: Head Assembly..................................................................1 Column Assembly..............................................................1 Table...................................................................................1 Table Support.....................................................................1 Base...................................................................................
ASSEMBLY UNPACKING attaching column assembly to base This product requires assembly. Carefully remove the tool and any accessories from the box. Place it on a level work surface. See Figure 5. Place the base on a flat surface. Align screw holes in the column assembly with screw holes in the base. Note: This tool is heavy. To avoid back injury, lift with your legs, not your back, and get help when needed. Place a hex bolt in each hole and tighten using an adjustable wrench.
assembly installing table and table Support column collar See Figures 6 - 8. ■ Loosen the set screw in the column collar. Remove the column collar and gear rack from the column and set aside. TABLE SUPPORT Locate the worm gear and feed the D-shaft through the hole in the table support. SET SCREW Feed the gear rack through the slot in the table support so that the teeth are facing out and the longer smooth end faces up. The worm gear should engage the gear rack.
ASSEMBLY installing chuck, head assembly, and feed handles See Figures 9 - 11. NOTE: Move the table out of the way before beginning installation. Position the head assembly onto the column with the chuck positioned over the table. NOTE: The head assembly is heavy. Get help when needed. Slide the head assembly down as far as it will go. Align the head assembly with the base then tighten the two head set screws with the hex key.
assembly Installing/changing worklight bulb See Figure 12. The integrated worklight can be used to help illuminate the work area. The worklight requires a 15-watt, 120-volt, candelabra-base bulb (not included). To install, insert the bulb into the worklight receptacle and twist clockwise to secure. Mounting the Drill press See Figure 13. If the drill press is to be used in a permanent location, secure it to a workbench or other stable surface.
assembly installing/using the spindle lock lever See Figure 14. The spindle lock is installed by aligning the threaded post on the lock lever with the hole on the left side of the tool then turning the post clockwise. Securely tightening the spindle lock lever locks the spindle in place. Turning the lock lever counterclockwise will loosen the spindle. CHECKING/adjusting Laser Alignment See Figure 15.
OPERATION WARNING: WARNING: Always remove the switch key when the tool is not in use and keep it in a safe place. In the event of a power failure, turn the switch OFF ( O ) and remove the key. This action will prevent the tool from accidentally starting when power returns. Do not allow familiarity with tools to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury.
OPERATION SELF-EJECTING CHUCK KEY See Figure 17. The self-ejecting chuck key ensures the chuck key is removed from the chuck before the drill press is turned on. In order to loosen or tighten the chuck using the chuck key, push the key into the key hole located on the chuck. Rotate the key clockwise to tighten the chuck or counterclockwise to loosen the chuck. chuck key WARNING: Use only the self-ejecting chuck key provided. Always remove chuck key.
Operation drilling Slowly lower drill bit into workpiece. Do not force the bit; let the drill press do the work. See Figures 20 - 21. Using a clamp, secure the workpiece to the table. To protect the top surface of the workpiece, use a piece of scrap wood between the clamp and the workpiece. Select the proper drill bit based on the hole size desired. For large holes, drill a pilot hole first, using a smaller diameter bit. Unlock the spindle lock lever and the lock knob.
adjustments WARNING: Before performing any adjustment, make sure the tool is unplugged from the power supply. Failure to heed this warning could result in serious personal injury. adjusting table height See Figure 22. Hold the table with one hand and loosen the table lock handle. bevel scale Rotate the table adjustment handle clockwise to raise the table. table adjustment handle Rotate the table adjustment handle counterclockwise to lower the table.
MAINTENANCE LUBRICATION WARNING: Lower spindle to maximum depth and oil moderately once every three months. When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. Oil the column lightly every two months. If cranking becomes difficult, grease gear rack lightly. The ball bearings in the tool are permanently lubricated. MOTOR/ELECTRICAL WARNING: The induction motor is easy to maintain but must be kept clean.
troubleshooting Problem Possible Cause Solution Noisy operation Incorrect belt tension Dry spindle Loose spindle pulley or motor pulley Adjust belt tension. Lubricate spindle. Tighten set screws in pulleys. Bit burns or smokes Incorrect speed Chips not coming out of hole Dull bit Feeding too slow Not lubricated Change speed. Retract bit frequently to clear chips. Sharpen or replace bit. Feed fast enough; allow drill to cut. Lubricate bit for metal work.
OPERATOR’S MANUAL 12 in. DIGITAL DRILL PRESS DP121l • SERVICE Now that you have purchased your tool, should a need ever exist for repair parts or service, simply contact your nearest Authorized Service Center. Be sure to provide all pertinent facts when you call or visit. Please call 1-800-525-2579 for your nearest Authorized Service Center. You can also check our web site at www.ryobitools.com for a complete list of Authorized Service Centers. • MODEL NO. AND SERIAL NO.