Jet JDP-20MF Operating Instructions

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Operating Instructions and Parts Manual

20-inch Drill Press

Model: JDP-20MF

JET

09/2018

Warnings

1. Read and understand the entire owner’s manual before attempting assembly or operation.

2. Read and understand the war nings p osted on the m achine an d in t his m anua l. F ailure t o com pl y 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 designe d and int ended for use b y properly train ed and ex perien ced person nel only. If you are not familiar with the proper and safe operation of a drill press, do not use until proper training and knowledge have been obtained.

5. Do not use this drill press f or other than its intended use. If used for other pur poses, JET disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use.

6. Always wear approved s afety glasses/fac e shields while using this dr ill press. Everyda y eyeglasses only have impact resistant lenses; they are not safety glasses.

7. Before operating this drill press, remove tie, rin gs, watc hes and ot her j ewelry, and roll sleeves up past the elbows. Remove al l loo se clothi ng and c onfin e lon g hair. N on-sl ip foot wear or anti-sk id f loor str ips are recommended. Do not wear glo ves.

8. Wear ear protectors (plugs or muffs) during extended periods of operation.

9. Do not operate this machine while tired or under the influence of drugs, alcohol or any medication.

10. Make certain the switch is in the OFF position before connecting the machine to the power supply.

11. Make certain the machine is properly grounded.

12. Make all machine adjustments or maintenance with the machine unplugged from the power source.

13. Remove adjusting keys and wrenches. Form a habit of checking to see that keys and adjusting wrenches are removed from the machine before turning it on.

14. Keep safety guards in place at all times when the machine is in use. If removed for maintenance purposes, use extreme caution and replace the guards immediately.

15. Make sure the drill press is firmly secured to the floor or bench before use.

16. Check damaged parts. Before further use of the machine, 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 f or alignment of m oving parts, bindin g of moving parts , breakage of parts , mounting and any other conditions that may affect its oper ation. A guard or other part th at is damaged shoul d be properly repaired or replaced.

17. Provide for adequate space surrounding work area and non-glare, overhead lighting.

18. Keep the floor around the machine clean and free of scrap material, oil and grease.

19. Keep visitors a safe distance from the work area. Keep children away.

20. Make your workshop child proof with padlocks, master switches or by removing starter keys.

21. Give your work undivided a ttention. Look ing around, c arrying o n a conversati on and “hors e-pla y” are careless acts that can result in serious injury.

22. Maintain a b alanced stance at all tim es so that you do not fall or lean a gainst the spindle or other moving parts. Do not overreach or use excessive force to perform any machine operation.

23. Use the right tool at th e correct s peed and feed rate. D o not force a tool or attac hm ent to do a job for which it was not designed. The right tool will do the job better and more safely.

24. Use recommended accessories; improper accessories may be hazardous.

25. Maintain tools with car e. Keep drill bits sharp and c lean for the best and saf est performance. Follo w instructions for lubricating and changing accessories.

26. Mak e sure the work piece is securely attac hed or cla mped to the t able. Never u se your hand to hold the work piece.

27. T urn off the mac hine befor e cleaning . Use a br ush or com pres sed air to r emove chips or debris — do not use your hands.

28. Do not stand on the machine. Serious injury could occur if the machine tips over.

29. Nev er lea ve th e m ac hine running unattended. T urn the power of f and do not le av e the m ac hine unt il i t comes to a complete stop.

30. Remove loose items and unnecessary work pieces from the area before starting the machine.

WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to http://www.p65warnings.ca.gov.

WARNING: Some dust, fumes and gases created by power sanding, sawing, grinding, drilling, welding and other construction activities contain chemicals known to the State of California to cause canc er and birt h defects or other r eprod ucti ve harm . Som e examples of thes e chemicals are:

• lead from lead based paint

• crystalline silica from bricks, cement and other masonry products

• arsenic and chromium from chemically treated lumber

Your risk of ex posure varies, depending on how often you do this t ype of work. To reduce your exposure to these chemicals, work in a well-ventilated area and work with approved safety equipment, such as dus t masks that are specif ically designed to filter out microscopic particles. For more information go to http://www.p65warnings.ca.gov/ and http://www.p65warnings.ca.g ov/ wood.

Familiarize yourself with the following safety notices used in this manual:

This means that if precautions are not heeded, it may result in minor injury and/or

possible machine damage.

This means that if pr ecautions ar e not heeded, it may result i n serious injur y or poss ibly

even death.

- - SAVE THESE INSTRUCTIONS - -

Warnings ....................................................................................................................................................... 2

Specifications ................................................................................................................................................ 5

Shipping Contents ......................................................................................................................................... 6

Required Tools (not included) ....................................................................................................................... 6

Assembly ....................................................................................................................................................... 7

Before Assembly ....................................................................................................................................... 7

Column to Base ......................................................................................................................................... 7

Table Bracket and Rack ............................................................................................................................ 7

Crank Handle ............................................................................................................................................. 8

Column Lock Handle ................................................................................................................................. 8

Table Installation ....................................................................................................................................... 8

Head Assembly ......................................................................................................................................... 9

Chuck and Arbor Installation ..................................................................................................................... 9

Chuck and Arbor Removal ........................................................................................................................ 9

Chuck Guard ........................................................................................................................................... 10

Adjustment .................................................................................................................................................. 10

Depth Stop Adjustment............................................................................................................................ 10

Changing Spindle Speeds ....................................................................................................................... 10

Return Spring Adjustment ....................................................................................................................... 11

Work Light ............................................................................................................................................... 11

Table Tilt Adjustment ............................................................................................................................... 11

Operation..................................................................................................................................................... 12

Installing Drills ......................................................................................................................................... 12

Positioning the Workpiece ....................................................................................................................... 12

Using the Vise ......................................................................................................................................... 12

Basic Operation ....................................................................................................................................... 12

Maintenance ................................................................................................................................................ 12

Lubrication ................................................................................................................................................... 12

Electrical ...................................................................................................................................................... 12

115 Volt Operation ................................................................................................................................... 12

230 Volt Operation ................................................................................................................................... 13

Grounding Instructions ............................................................................................................................ 13

Extension Cords ...................................................................................................................................... 13

Troubleshooting JDP-20MF Drill Press ....................................................................................................... 14

Replacement Parts ...................................................................................................................................... 15

Exploded View Drawing JDP-20MF ........................................................................................................ 16

Parts List JDP-20MF ............................................................................................................................... 17

Wiring Diagram ........................................................................................................................................... 20

JDP-20MF Electrical Schematic – 115V ................................................................................................. 20

JDP-20MF Electrical Schematic – 230V ................................................................................................. 20

The specificatio ns in this m anual ar e given as general inform ation and are not binding. JET res erves the right to effect, at any time and wit hout prior not ice, changes or alterati ons to parts, fittings, and acc essor y equipment deemed necessary for any reason whatsoever.

Specifications

Model Number ................................................................................................................................ JDP-20MF

Stock Number ..................................................................................................................................... 354170

Type ........................................................................................................................................................ Floor

Motor:

Horsepower ...................................................................................................................................... 1-1/2

Phase ............................................................................................................................................... single

Voltage ............................................................................................................ 115/230V (prewired 115V)

Frequency ........................................................................................................................................ 60 Hz

FLA (Full Load Amperage) ............................................................................................................. 18/9 A

Capacities:

Drills to Center Circle ........................................................................................................................... 20”

Distance Column to Spindle ................................................................................................................ 10”

Drilling Capacity – Cast Iron .................................................................................................................. 1”

Drilling Capacity – Mild Steel .............................................................................................................. 3/4"

Chuck Size .......................................................................................................................................... 3/4”

Speeds:

Number of Spindle Speeds ................................................................................................................... 12

Range of Spindle Speeds (RPM) ........................................................................................... 150 – 4200

Spindle:

Spindle Taper ................................................................................................................................... MT-3

Spindle Travel .................................................................................................................................. 4-5/8”

Spindle Distance to Base .............................................................................................................. 46-3/4”

Spindle Distance to Table (max.) .................................................................................................. 29-1/8”

Table and Column:

Table Size (Length x Width) ................................................................................................ 18-1/2" x 16"

Table Weight Capacity ..................................................................................................................... 80 lb

Table T-Slots, Number ........................................................................................................................... 6

Table T-Slots, Size ............................................................................................................................. 1/2"

Table T-Slots, Centers ..................................................................................................................... 3-1/2”

Table Tilt ....................................................................................................................................... 45 deg.

Column Diameter ............................................................................................................................. 3-3/8”

Base:

Base Size ....................................................................................................................... 13-3/4” x 22-3/4”

Base Working Surface ............................................................................................................ 13” x 8-1/2”

Base Slots, Number ................................................................................................................................ 2

Base Slots, Size.................................................................................................................................. 5/8”

Dimensions:

Overall Dimensions (H x W x D) ........................................................................... 66" x 18-1/2" x 31-1/2"

Carton Size (L x W x H): .................................................................................................... 26" x 13" x 58"

Weights:

Net Weight (approx.) ................................................................................................................... 282 lbs.

Gross Weight .............................................................................................................................. 293 lbs.

Shipping Contents

Unpack the carton and veri fy that all parts listed below are included.

Main Parts

1 ea Head Assembly 1 ea Table 1 set Column and Table Bracket Assembly 1 ea Base

Additional Parts

1. 1 set Chuck and Chuck Key

2. 1 pc Arbor

3. 1 pc Drift Key

4. 1 pc Table Crank Handle

5. 1 pc Column Lock Handle

6. 3 pcs Downfeed Handles and Knobs

7. 1 pc 5/8"-11x2" Hex Cap Screw

8. 1 set Locator Pin and Hex Nut

9. 4 pcs M10 x 40 Hex Cap Screws

10. 2 pc Hex Wrenches (3mm, 5mm)

11. 1 pc Chuck Guard (not shown)

Other Material

1 ea Owner’s Manual 1 ea Product Registration Card

Required Tools (not included)

1. 17mm Box Wrench or a 6” – 8” Adjustable Wrench

2. 15/16" wrench

Additional Parts

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.

3. Clean all rust protected surfaces with kerosene or a light solvent. Do not use lacquer thinner, paint thinner, or gasoline. These will damage plastic components and painted surfaces.

Figure 1

Column to Base

Referring to Figure 1:

1. Place the base (A) on a level floor.

2. Place the column assembly (B) on the base (A) and align the ho les in the column suppor t with the holes in the base.

3. Us ing a 19mm wrench, secur e the colum n (B) with four M10 x 40 hex cap screws (C) to the base.

Table Bracket and Rack

Referring to Figures 2 and 3: When shipped, the rack ring and rack are bund led

together with the column in plastic wrap.

1. Remove the wrap and take the rack ring (D) and rack (E) off the column (B).

2. Insert worm gear shaft (G) through hole of bracket (F) and mesh with worm (H).

3. Position rack (E) in U-slot of bracket with arrow pointing upward, and slide this assembly together onto the column.

Figure 2

4. Slide rack ring (D) over colum n (B), placing it so it rests against rack (E) as shown in Fi gure

3. Tighten firmly with 3mm hex wrench (provided).

Figure 3

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 h andle until t he setscrew is opposite the flat section on the shaft, and tighten the setscrew to secure the handle.

Column Lock Handle

Referring to Figure 5: Thread the column lock handle (A) in to the table

bracket (B).

Table Installation

The table is heavy! This

installation is a two person operation to avoid injury from accidental dropping.

Referring to Figure 6:

1. Have one person hold the table (A) against the bracket (B), aligning the hole in the mounting plate of the table with the thread ed hole in bracket.

2. Hav e the second person insert the 5/8"-11x2 hex head screw (C) through the opening on the bottom side of the table (A) and start threading the screw into the bracket by hand.

Figure 4

Figure 5

3. Finish tightening the screw (C) with a 15/16" or wrench (wrench provi ded), but leave loose enough so the table can be tilted by hand.

4. Us ing the scale on t he brack et as a guide, set the table angle to 0 degrees (level).

5. Take the locator pin (D) and adjust the hex nut towards the end of the thread as s hown in the close up view (D).

6. Insert the non-t hreaded end of the loc ator pin (D) into the hole on the table f ound just below the mounting screw. Press all the way in.

Note: The table ma y have to b e tilted s lightl y back and forth if the holes do not quite align.

7. Tighten the screw (C) with a 15/16" wrench.

Figure 6

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