Jet Tools JDP-20MF User Manual
Operating Instructions and Parts Manual
Drill Press
Model: JDP-20MF
WMH TOOL GROUP
2420 Vantage Drive
Elgin, Illinois 60123 Part No. M-354170
Ph.: 800-274-6848 Revision G 04/04
www.wmhtoolgroup.com Copyright © WMH Tool Group
This manual has been prepared for the owner and operators of a JDP-20MF Drill Press. Its purpose,
aside from machine operation, is to promote safety through the use of accepted correct operating and
maintenance procedures. Completely read the safety and maintenance instructions before operating or
servicing the machine. To obtain maximum life and efficiency from your JET Drill Press, and to aid in
using the machine safely, read this manual thoroughly and follow instructions carefully.
Warranty
WMH Tool Group warrants every product it sells. If one of our tools needs service or repair, one of our
Authorized Repair Stations located throughout the United States can give you quick service.
In most cases, any one of these WMH Tool Group Repair Stations can authorize warranty repair, assist
you in obtaining parts, or perform routine maintenance and major repair on your JET, Performax, Wilton,
or Powermatic tools.
For the name of an Authorized Repair Station in your area, please call 1-800-274-6848, or visit
www.wmhtoolgroup.com
More Information
WMH Tool Group is consistently adding new products to the line. For complete, up-to-date product
information, check with your local WMH Tool Group distributor, or visit www.wmhtoolgroup.com
WMH Tool Group Warranty
WMH Tool Group (including JET, Wilton and Powermatic brands) makes every effort to assure that its
products meet high quality and durability standards and warrants to the original retail consumer/purchaser
of our products that each product be free from defects in materials and workmanship as follow: 1 YEAR
LIMITED WARRANTY ON ALL PRODUCTS UNLESS SPECIFIED OTHERWISE. This Warranty does
not apply to defects due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-andtear, repair or alterations outside our facilities, or to a lack of maintenance.
WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE,
FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL. EXCEPT AS STATED HEREIN,
ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED. SOME
STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS, SO THE
ABOVE LIMITATION MAY NOT APPLY TO YOU. THE WMH TOOL GROUP SHALL IN NO EVENT BE
LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR INCIDENTAL,
CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR
PRODUCTS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY
TO YOU.
To take advantage of this warranty, the product or part must be returned for examination, postage
prepaid, to an Authorized Repair Station designated by our office. Proof of purchase date and an
explanation of the complaint must accompany the merchandise. If our inspection discloses a defect, we
will either repair or replace the product, or refund the purchase price if we cannot readily and quickly
provide a repair or replacement, if you are willing to accept a refund. We will return repaired product or
replacement at WMH Tool Group’s expense, but if it is determined there is no defect, or that the defect
resulted from causes not within the scope of WMH Tool Group’s warranty, then the user must bear the
cost of storing and returning the product. This warranty gives you specific legal rights; you may also have
other rights, which vary from state to state.
WMH Tool Group sells through distributors only. WMH Tool Group reserve the right to effect at any time,
without prior notice, those alterations to parts, fittings, and accessory equipment, which they may deem
necessary for any reason whatsoever.
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Table of Contents
Warranty........................................................................................................................................................ 2
Table of Contents..........................................................................................................................................3
Warnings .......................................................................................................................................................4
Specifications ................................................................................................................................................6
Shipping Contents.........................................................................................................................................7
Required Tools.............................................................................................................................................. 7
Assembly....................................................................................................................................................... 8
Before Assembly .......................................................................................................................................8
Column Assembly...................................................................................................................................... 8
Table Bracket ............................................................................................................................................8
Crank Handle............................................................................................................................................. 9
Column Lock Handle ................................................................................................................................. 9
Table Installation .......................................................................................................................................9
Head Assembly .......................................................................................................................................10
Chuck and Arbor Installation ................................................................................................................... 10
Chuck and Arbor Removal ...................................................................................................................... 11
Adjustment ..................................................................................................................................................11
Depth Stop Adjustment............................................................................................................................11
Changing Spindle Speeds.......................................................................................................................11
Return Spring Adjustment .......................................................................................................................12
Work Light ...............................................................................................................................................12
Table Tilt Adjustment............................................................................................................................... 12
Operation.....................................................................................................................................................13
Installing Drills .........................................................................................................................................13
Positioning the Workpiece....................................................................................................................... 13
Using the Vise .........................................................................................................................................13
Basic Operation ....................................................................................................................................... 13
Maintenance................................................................................................................................................ 13
Lubrication................................................................................................................................................... 13
Electrical...................................................................................................................................................... 13
115 Volt Operation...................................................................................................................................13
230 Volt Operation...................................................................................................................................13
Grounding Instructions ............................................................................................................................14
Extension Cords ...................................................................................................................................... 14
Troubleshooting ..........................................................................................................................................15
Replacement Parts.................................................................................................................................. 16
Exploded View Drawing JDP-20MF ........................................................................................................17
Parts List JDP-20MF ...............................................................................................................................18
Wiring Diagram ...........................................................................................................................................21
JDP-20MF Electrical Schematic – 115V ................................................................................................. 21
JDP-20MF Electrical Schematic – 230V ................................................................................................. 21
The specifications in this manual are given as general information and are not binding. WMH Tool Group
reserves the right to effect, at any time and without prior notice, changes or alterations to parts, fittings,
and accessory equipment deemed necessary for any reason whatsoever.
3
Warnings
1. Read and understand the entire owners 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.
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 for other than its intended use. If used for other purposes, WMH Tool
Group disclaims any real or implied warranty and holds itself harmless from any injury that may result
from that use.
6. Always wear approved safety glasses/face shields while using this drill press. Everyday eyeglasses
only have impact resistant lenses; they are not safety glasses.
7. Before operating this drill press, remove tie, rings, watches and other jewelry, and roll sleeves up past
the elbows. Remove all loose clothing and confine long hair. Non-slip footwear or anti-skid floor strips
are recommended. Do not wear gloves.
8. Wear ear protectors (plugs or muffs) during extended periods of operation.
9. Some dust created by power sanding, sawing, grinding, drilling and other construction activities
contain chemicals known to cause cancer, birth defects or other reproductive harm. Some examples
of these chemicals are:
• Lead from lead based paint.
• Crystalline silica from bricks, cement and other masonry products.
• Arsenic and chromium from chemically treated lumber.
10. Your risk of exposure 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 face or dust masks that are specifically designed to filter out microscopic
particles.
11. Do not operate this machine while tired or under the influence of drugs, alcohol or any medication.
12. Make certain the switch is in the OFF position before connecting the machine to the power supply.
13. Make certain the machine is properly grounded.
14. Make all machine adjustments or maintenance with the machine unplugged from the power source.
15. 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.
16. 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.
17. Make sure the drill press is firmly secured to the floor or bench before use.
18. 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 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.
19. Provide for adequate space surrounding work area and non-glare, overhead lighting.
20. Keep the floor around the machine clean and free of scrap material, oil and grease.
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21. Keep visitors a safe distance from the work area. Keep children away.
22. Make your workshop child proof with padlocks, master switches or by removing starter keys.
23. Give your work undivided attention. Looking around, carrying on a conversation and “horse-play” are
careless acts that can result in serious injury.
24. Maintain a balanced stance at all times so that you do not fall or lean against the spindle or other
moving parts. Do not overreach or use excessive force to perform any machine operation.
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 safer.
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. Never use your hand to hold
the work piece.
29. Turn off the machine before cleaning. Use a brush or compressed air to remove chips or debris — do
not use your hands.
30. Do not stand on the machine. Serious injury could occur if the machine tips over.
31. Never leave the machine running unattended. Turn the power off and do not leave the machine until it
comes to a complete stop.
32. Remove loose items and unnecessary work pieces from the area before starting the machine.
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 precautions are not heeded, it may result in serious injury or possibly
even death.
- - SAVE THESE INSTRUCTIONS - -
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Specifications
Model Number................................................................................................................................ JDP-20MF
Stock Number ..................................................................................................................................... 354170
Swing....................................................................................................................................................20-1/2”
Type ........................................................................................................................................................Floor
Drilling Capacity ........................................................................................................................................... 1”
Chuck Size ................................................................................................................................................3/4”
Spindle Travel ........................................................................................................................................4-5/8”
Spindle Distance to Base .....................................................................................................................46-3/4”
Spindle Distance to Table (max.).........................................................................................................29-1/8”
Table Size (Length x Width)....................................................................................................... 18-1/2" x 16"
Spindle Taper..........................................................................................................................................MT-3
Column Diameter ...................................................................................................................................3-3/8”
Number of Spindle Speeds ......................................................................................................................... 12
Range of Spindle Speeds (RPM)................................................................................................. 150 – 4,200
Base Size ............................................................................................................................. 13-3/4” x 22-3/4”
Overall Dimensions (H x W x D) ................................................................................66" x 18-1/2" x 31-1/2""
Motor ....................................................................................1-1/2HP, 115/230V, 60Hz, 1Ph, Prewired 115V
Net Weight (approx.) .......................................................................................................................... 282 lbs.
Gross Weight .................................................................................................................................... 293 lbs.
Carton Size (L x W x H): ..........................................................................................................26" x 13" x 58"
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Shipping Contents
Unpack the carton and verify 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)
Other Material
1 ea Owner’s Manual
1 ea Warranty Registration Card
Required Tools
1. 17mm Box Wrench or a 6” – 8” Adjustable
Wrench
2. 15/16" wrench
Additional Parts
7
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 the contents from the shipping
container.
2. Compare the contents of the shipping
container with the list on page 7. 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.
Column Assembly
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 holes in the column support
with the holes in the base.
3. Using a 17mm wrench, secure the column (B)
with four M10 x 40 hex cap screws (C) to the
base.
Table Bracket
When shipped, the rack ring and rack are bundled
together with the column in plastic wrap.
Figure 1
Figure 2
Referring to Figures 2 and 3:
1. Remove the wrap and take the rack ring (D)
and rack (B) off the column (C).
2. Install the table bracket (A) together with the
rack (B) on the column (C) as shown in
Figure 2.
3. Slide the rack ring (D) over the column (C),
placing it so it rests against the rack (B) as
shown in Figure 3 and tighten firmly with a
3mm hex wrench (provided).
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Figure 3
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