This .pdf document is bookmarked Operating Instructions and Parts Manual 20-inch Drill Press Model: JDP-20MF JET 427 New Sanford Road LaVergne, Tennessee 37086 Ph.: 800-274-6848 www.jettools.com Part No.
Warnings 1. Read and understand the entire owner’s manual before attempting assembly or operation. 2. Read and understand the warnings posted on the machine and in this manual. Failure to comply with all of these warnings may cause serious injury. 3. Replace the warning labels if they become obscured or removed. 4. This drill press is designed and intended for use by properly trained and experienced personnel only.
25. Use the right tool at the correct speed and feed rate. Do not force a tool or attachment to do a job for which it was not designed. The right tool will do the job better and more safely. 26. Use recommended accessories; improper accessories may be hazardous. 27. Maintain tools with care. Keep drill bits sharp and clean for the best and safest performance. Follow instructions for lubricating and changing accessories. 28. Make sure the work piece is securely attached or clamped to the table.
Table of Contents Warnings ....................................................................................................................................................... 2 Specifications ................................................................................................................................................ 5 Shipping Contents .........................................................................................................................................
Specifications Model Number ................................................................................................................................ JDP-20MF Stock Number ..................................................................................................................................... 354170 Type ........................................................................................................................................................ Floor Motor: Horsepower ..........
Shipping Contents Unpack the carton and verify that all parts listed below are included. Main Parts Other Material 1 ea 1 ea 1 set 1 ea 1 ea 1 ea Head Assembly Table Column and Table Bracket Assembly Base Additional Parts 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
Assembly Read and understand all assembly instructions before attempting assembly! Failure to comply may cause serious injury! Do not attempt to turn on power before this machine is completely assembled. Before Assembly 1. Remove contents from shipping container. 2. Compare contents of shipping container with the list on page 6. Report any shortages or damage to your JET distributor. Figure 1 3. Clean all rust protected surfaces with kerosene or a light solvent.
Crank Handle Referring to Figure 4: 1. Loosen the setscrew (B) on the table crank handle (A). 2. Slide the handle (A) onto the table bracket shaft. 3. Turn the handle until the setscrew is opposite the flat section on the shaft, and tighten the setscrew to secure the handle. Figure 4 Column Lock Handle Referring to Figure 5: Thread the column lock handle (A) into the table bracket (B).
Head Assembly Referring to Figure 7: 1. With the aid of a second person, carefully lift the head onto the column top and slide it down into position. The head assembly is heavy! Use care when lifting onto the column! 2. Rotate head assembly until sides of the pulley cover are parallel with the sides of the base. 3. Tighten two setscrews (A) with a 5mm hex wrench (provided) until they are snug. 4. Install three downfeed handles (B) into the downfeed hub (C).
Chuck Guard 1. Unplug machine from power source. 2. Attach chuck guard to spindle collar and tighten screw (Figure 9a). The guard can be flipped up for chuck access. Adjustment Figure 9a Depth Stop Adjustment To drill multiple holes at the same preset depth, use the depth stop: 1. 2. 3. 4. 5. Use a pencil to mark the depth the bit will drill into the workpiece. With the drill bit in the chuck, lower downfeed handle to advance bit to your mark (A, Fig. 10).
Return Spring Adjustment The return spring is adjusted at the factory and should not need further adjustment. If adjustment is deemed necessary, follow the steps below while referring to Figure 12: 1. Unplug the machine from the power source. 2. Loosen two hex nuts (A). Do not remove. Do not remove the coil spring cover (Step 3). The torsion spring will uncoil and can cause serious injury. 3. Firmly hold the coil spring cover (B). 4.
A coat of automobile-type wax applied to the table and column will help to keep the surfaces clean. Operation Installing Drills If the power cord is worn, cut, or damaged in any way, have it replaced immediately. Insert the drill into the chuck jaws with about 1" insertion. When using a small drill do not insert it so far that the jaws touch the flutes of the drill. Make sure that the drill is centered in the chuck before tightening the chuck with the key.
230 Volt Operation installed and grounded in accordance with all local codes and ordinances. Referring to Figure 16: Do not modify the plug provided. If it will not fit the outlet, have the proper outlet installed by a qualified electrician. If 230V, single-phase operation is desired, the following instructions must be followed: 1. Disconnect the machine from the power source. Improper connection of the equipmentgrounding conductor can result in a risk of electric shock.
Troubleshooting JDP-20MF Drill Press Trouble Drill press will not start. Drill press does not come up to speed. Drill Press vibrates excessively. Probable Cause Remedy Drill press unplugged from wall, or motor. Check all plug connections. Fuse blown, or circuit breaker tripped. Replace fuse, or reset circuit breaker. Cord damaged. Replace cord. Starting capacitor bad. Replace starting capacitor. Extension cord too light or too long. Replace with adequate size and length cord. Low current.
Troubleshooting (cont.) Trouble Probable Cause Remedy Bent drill bit. Replace drill bit. Worn spindle bearings. Replace spindle bearings. Bit, or chuck not properly installed. Reinstall the bit, or chuck properly. Quill returns too slow, or too fast. Spring has improper tension. Adjust spring tension. See the Return Spring Adjustment section. Chuck or arbor does not stay in place. Dirt, grease, etc on arbor, chuck, or spindle. Clean all mating surfaces thoroughly with a cleaner degreaser.
Exploded View Drawing JDP-20MF 16
Parts List JDP-20MF Index No. Part No. Description Size Qty 1 ............... 11300117 ................. Base JDP-20MF ................................................... .................................... 1 ................. 11400401A1 ............. Column & Holder Assembly (Index 2A, 2B) ......... Ø85mm ....................... 1 2A ............. JDP20-102A ............. Column ................................................................. .................................... 1 2B .............
Index No. Part No. Description Size Qty 64 ............. 11406403 ................. Spindle Nut........................................................... .................................... 1 65 ............. 11406508 ................. Drive Sleeve ......................................................... .................................... 1 66 ............. BB-6206Z ................. Ball Bearing .......................................................... 6206Z ......................... 2 67 .......
Index No. Part No. Description Size Qty 618 ........... 10604505 ................. Round Nut ............................................................ .................................... 1 619 ........... TS-0720091 ............. Lock Washer ........................................................ 3/8” .............................. 1 700 ........... TS-152704 ............... Hex Wrench ......................................................... 3 mm ........................... 1 701 ...........
Wiring Diagram JDP-20MF Electrical Schematic – 115V STARTING CAPACITOR 400MFD 125 VAC ON / OFF SWITCH BLACK 3 BLACK WHITE WHITE 2 1 4 GREEN GREEN GREEN BLACK WHITE GROUND LAMP SWITCH BLACK BLACK WHITE BLACK LAMP JDP-20MF Electrical Schematic – 230V STARTING CAPACITOR 400MFD 125 VAC ON / OFF SWITCH BLACK 3 BLACK WHITE WHITE 2 1 4 GREEN GREEN LAMP SWITCH BLACK BLACK WHITE BLACK LAMP 20 GREEN BLACK WHITE GROUND
Warranty and Service JET® warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded website. • JET products carry a limited warranty which varies in duration based upon the product.
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427 New Sanford Road LaVergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.
