JET 350018, 350017, 350127, 350129, 350119 User Manual
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Operating Instructions and Parts Manual
JMD-15/18/18PFN Mill/Drill Machine
JET
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-350020
Ph.: 800-274-6848 Revision G 06/2015
www.jettools.com Copyright © 2015 JET
(JMD-18 shown with optional CS-18 stand)
1.0 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. (See chart below)
• Accessories carry a limited warranty of one year from the date of receipt.
• Consumable items are defined as expendable parts or accessories expected to become inoperable within a
reasonable amount of use and are covered by a 90 day limited warranty against manufacturer’s defects.
Who is Covered
This warranty covers only the initial purchaser of the product from the date of delivery.
What is Co vered
This warranty covers any defects in workmanship or materials subject to the limitations stated below. This warranty
does not cover failures due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-and-tear,
improper repair, alterations or lack of maintenance.
Warranty Limitations
Woodworking products with a Five Year Warranty that are used for commercial or industrial purposes default to a
Two Year Warranty. Please contact Technical Service at 1-800-274-6846 for further clarification.
How to Get Technical Support
Please contact Technical Service by calling 1-800-274-6846. Please note that you will be asked to provide pro of
of initia l p u rch a s e whe n calling. If a product requires further inspection, the Technical Service representative will
explain and assist with any additional action needed. JET has Authorized Service Centers located throughout the
United States. For the name of an Authorized Service Center in your area call 1-800-274-6846 or use the Service
Center Locator on the JET website.
More Informat io n
JET is constantly adding new products. For complete, up-to-date product information, check with your local distributor
or visit the JET website.
How State Law Appli es
This warranty gives you specific legal rights, subject to applicable state law.
Limitations on This Warranty
JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT.
EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
JET 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.
JET sells through distributors only. The specifications listed in JET printed m aterials and on official JET website are
given as general information and are not binding. JET reserves 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. JET
Product Listing with Warranty Period
90 Days – Parts; Consumable items
1 Year – Motors; Machine Accessories
2 Year – Metalworking Machinery; Electric Hoists, Electric Hoist Accessories; Woodworking Machinery used
for industrial or commercial purposes
5 Year – Woodworking Machinery
Limited Lifetime – JET Parallel clamps; VOLT Series Electric Hoists; Manual Hoists; Manual Hoist
Accessories; Shop Tools; Warehouse & Dock products; Hand Tools; Air Tools
NOTE: JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries,
Inc., or any of its successors in interest to the JET brand.
®
branded products are not sold in Canada by JPW Industries, Inc.
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2.0 Table of cont en ts
Section Page
1.0 Warranty and Service ..................................................................................................................................... 2
2.0 Table of contents ............................................................................................................................................ 3
3.0 Warnings ........................................................................................................................................................ 4
4.0 Specifications ................................................................................................................................................. 5
5.0 Contents of Shipping Container ..................................................................................................................... 6
6.0 Unpacking and Clean-up ................................................................................................................................ 6
7.0 Assembly ........................................................................................................................................................ 7
8.0 Installation ...................................................................................................................................................... 7
9.0 Lubrication ...................................................................................................................................................... 8
10.0 Electrical Connections .................................................................................................................................. 8
11.0 Controls ........................................................................................................................................................ 9
12.0 Adjustments ............................................................................................................................................... 10
12.1 Changing Spindle Speeds ...................................................................................................................... 10
12.2 Arbor Replacement ................................................................................................................................ 11
12.3 Gib Adjustment ....................................................................................................................................... 12
12.4 Power Feed Operation (JMD-18PFN only) ............................................................................................ 12
12.5 Adjusting Spindle Return Spring ............................................................................................................ 12
13.0 Replacement Parts ..................................................................................................................................... 13
13.1.1 JMD-15 Head Assembly – Exploded View .......................................................................................... 13
13.1.2 JMD-15 Head Assembly – Parts List ................................................................................................... 14
13.2.1 JMD-15 Table, Base, and Column Assembly – Exploded View .......................................................... 17
13.2.2 JMD-15 Table, Base, and Column Assembly – Parts List ................................................................... 17
13.3.1 JMD-18/18PFN Head Assembly – Exploded View .............................................................................. 19
13.3.2 JMD-18/18PFN Head Assembly – Parts List ...................................................................................... 20
13.4.1 JMD-18 Table, Base, and Column Assembly – Exploded View .......................................................... 24
13.4.2 JMD-18 Table, Base, and Column Assembly – Parts List ................................................................... 24
13.5.1 JMD-18PFN Power Feed Assembly – Exploded View ........................................................................ 27
13.5.2 JMD-18PFN Power Feed Assembly – Parts List ................................................................................. 28
14.0 Electrical Connections ................................................................................................................................ 30
14.1 Wiring Diagram: JMD-15 Only ................................................................................................................ 30
14.2 Wiring Diagram: JMD-18 Only ................................................................................................................ 31
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13. Keep children and visitors away. All vis itor s
should be kept a safe distance from the work
3.0 Warnings
Read and understand the entire contents of
this manual before attempting set-up or
operation of this mill/drill.
1. This machine is designed and intended for
use by properly trained and experienced
personnel only. If you are not familiar with
the proper safe use of mill/drills, do not use
this machine until proper training and
knowledge has been obtained.
2. Keep guards in place. Safety guards must
be kept in place and in working order.
3. Remove adjusting keys and wrenches.
Before turning on machine, check to see that
any adjusting wrenches are removed from the
tool.
4. Reduce the risk of unintentional starting.
Make sure switch is i n the OFF po sition before
plugging in the tool.
5. Do not force tools. Always use a tool at the
rate for which it was designed.
6. Use the right tool. Do not force a tool or
attachment to do a job for which it was not
designed.
7. Maintain tools with care. Keep tools sharp
and clean for best and safest performance.
Follow instructions for lubrication and changing
accessories.
8. Always disconnect the tool from the power
source before adjusting or servicing.
9. Check for damaged parts. Check for
alignment of moving parts, breakage of parts,
mounting, and any other condition that may
affect the tools operation. A guard or a ny part
that is damaged should be repaired or
replaced.
10. Turn power off. Never leave a tool
unattended. Do not leave a tool until it comes
to a complete stop.
11. Keep work area clean. Cluttered areas and
benches invite accidents.
12. Do not use in a dangerous environment.
Do not use power tools in damp or wet
locations, or expose them to rain. Keep work
area well lighted.
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area.
14. Make the workshop child proof. Use
padlocks, master switches, and remove starter
keys.
15. Wear proper apparel. Loose clothing, gloves,
neckt ie s, r i ngs, bra ce let s, or o t her j e we lry m ay
get caug ht i n m ovi ng p art s. N on- sli p f oot we ar
is recommended. Wear protective hair
cove ri ng t o cont ain long hai r . Do not we a r any
type of glove.
16. Always use safety glasses. Every day
glasses only have impact resistant lenses;
they are not safety glasses.
17. Do not overreach. Keep proper footing and
balance at all times.
18. Do not place hands near the cutterhead
while the machine is operating.
19. Do not perform any set-up work while
machine is operating.
20. Read and understand all warnings posted
on the machine.
21. This manual is intended to familiarize you
with the technical aspects of this mill/drill.
It is not, nor was it intended to be, a training
manual.
22. Failure to comply with all of these warnings
may res ult in serious injury.
23. Some dust created by power sanding,
sawin g, grinding, drilling and other
construction activities contains 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 and cement
and other masonry products, and
• arsenic and chromium from chemically-
treated lumber.
Your risk from those exposures 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
those dust masks that are specifically
designed to filter out microscopic particles
4.0 Specifications
Stock No. 350017 350018 350020
Drilling Capacity 1” 1-1/4” 1-1/4”
Face Mill Capacity 2-1/2” 3” 3”
End Mill Capacity 1/2” 3/4” 3/4"
Swing 14-1/2” 15-7/8” 15-7/8”
Maximum Distance S pindle to
Table
Spindle Taper R-8 R-8 R-8
Spindle Travel 3-1/2” 5” 5”
Quill Diameter 2-1/2” 3” 3”
Head Swivel 360° 360° 360°
Column Diameter 3-5/8” 4-1/2” 4-1/2”
Number of Power Downfeeds ---- ---- 3
Range of Power Downfeeds ---- ---- 0.0047”, 0.007”, 0.001”
Number of Spindle Speeds 12 12 12
Range of Spindle Speeds 110-2,580 RPM 150-3,000 RPM 150-3,000 RPM
Maximum Table Travel 14” 20-1/2” 20-1/2”
Cross Travel 6” 7” 7”
Working Surface of Table 7-1/2” x 23” 9-1/2” x 31-3/4” 9-1/2” x 31-3/4”
Num ber of T-Slots 4 4 4
T-Slot Size 9/16” 5/8” 5/8”
T-Slot Centers 1-1/2” 2-1/8” 2-1/8”
Overal l Dimensions
Base Dimensions 12-1/2” x 19-3/4” 15-3/4” x 23-3/4” 15-3/4” x 23-3/4”
Motor ( U L lis ted)
Net Weight (approx.) 440 lbs. 660 lbs. 700 lbs.
Shipping Weight (approx.) 540 lbs. 760 lbs. 800 lbs.
JMD-15 JMD-18 JMD-18PFN
15” 18” 26”
36-1/2”L x 37-1/2”W x
35-1/2”H
1HP, 1PH, 14/7A, 60Hz
115/230V
(prewired 115V)
42-1/2”L x 39-3/4”W x 43-
1/2”H
2HP, 1PH, 26/13A, 60Hz
115/230V
(prewired 115V)
42-1/2”L x 39-3/4”W x 51-
1/2”H
2HP, 1PH, 26/13A, 60Hz
115/230V
(prewired 115V)
The specificati ons in thi s manual are given as general inf ormation and ar e not binding. JET reserv es the
right to eff ect, at any tim e and wit hout pri or notic e, changes or alt erat ions to par ts, fi tti ngs, and accessory
equipment deemed nec essary for any reason whatsoever.
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5.0 Contents of Shi p pin g
Container
1 Mill/Drill Machine
Accessory Package:
1 1/2” Drill Chuck w/ Chuck K ey
1 Adjustable Carbide Facemill
1 Facemill Arbor
1 Bolts, Nuts, and Washers to
Attach Vise to Table
1 2-1/2” Angle Vi se (JMD-15)
1 3” Angle Vise (JMD- 18/18PFN)
3 Handle Rods (JMD-15/18)
3 Rubber Knobs (JMD-15/18)
2 Rubber Knobs (JMD-18PFN)
1 3/8”x1” Hex Sock et Cap Screw
1 3/8” Washer
1 Crank Body (Installed)
1 Crank Handle
1 Spindle Guard Assembly
1 3mm Hex Wrench
1 4mm Hex Wrench
1 5mm Hex Wrench
1 23mm Wrench (JMD-18/18PFN)
3 Hand Wheels w/ Handles
1 Can Touch-Up Paint
1 Owner’s Manual
1 Warranty Card
1 Lifting Hook (i nstalled 18in. model only)
Tools Needed for Assembly
8” Adjustable Wr enc h or 1/4” to 1-1/4”
Combination Wrench Set
6.0 Unpacking and Clean-up
1. Finish rem oving the crat e from the mill/dr ill.
Unbolt the machine from the crate bottom.
Report shipping damage, if any, to your
distributor.
2. Clean all rust protected surfaces using a
mild commer cial solvent, kerosene or di esel
fuel. Do not use paint thinner, gasoline, or
lacquer thinner. These will damage painted
surfaces. Cov er all cleaned surfaces with a
light film of Mobil DTE® Oil Heavy Medium.
3. JMD-18/18PFN only: Open the belt cover
and thread the lifti ng hook into the head.
4. Carefully lift t he mill/ drill with properly rat ed
equipment to a sturdy stand or work bench.
(Use the lifting hook on the JMD-18/18PFN.
On the JMD-15, place straps beneath the
head, next to the colum n.
5. Remove the lifting hook (JMD-18/18PFN).
6
(JMD-18 shown with optional CS-18 stand)
(JMD-18/18PFN only)
7.0 Assembly
1. Screw rubber handles (A, Fig. 1) onto
handle rod (B, Fig. 1). Sc rew handle rod int o
downfeed hub (C, Fig. 1) and tighten. Flat
spot on rod accommodates a combination or
adjustable wrench. Note: Handle shaf ts are
already instal led into hub on JMD-18PFN.
2. Repeat for other two rod assemblies.
3. Slide crank ( D, Fig. 2) onto shaft and t ight en
set screw (E, Fig. 2). Be sure set screw
seats on flat part of shaft .
4. Thread handle (F, Fig. 2) into crank and
tighten.
5. Slide handwheel (G, Fig. 3) onto table
handwheel shaft and tighten set screw.
Insert handle (H, Fig. 3) into handwheel and
tighten.
6. Repeat for two remaining table hand wheels.
7. Install spindle guard assembly (Figur e 3a).
8.0 Installation
Machine is heavy! Use an
appropriate lifting device and use extreme
caution when moving th e machi ne to i ts fin al
location. Failure to comply may cause
serious injury.
1. The location for the mill/drill should be well
lit, dry, and hav e room enough to allow the
head to rotate 360°.
2. Before bolting the mill/drill to a bench or
stand, the unit must be level in both
directions. P lace a l evel on the t able in both
directions.
3. If the table is not level, shim under the low
corner(s) until level. Tighten the fastening
bolts. Check for level again. Adjust as
necessary until the mill/drill is level after t he
fastening hardware has been tightened.
7
9.0 Lubrication
Lubricate ball oilers (A, Fig. 4) by the X/Y-axis
hand wheels, the oiler at the raising/lowering
crank handle, and the oiler on front of the bed
once daily with M obil DTE® Oil Heavy Medium.
Lubricate the ways (B, Fig. 4) once daily with
Mobil DTE® Oi l Heavy Medium.
If the head does not rise or lower smoothly,
apply Mobili th AW2 to the r ac k , and Mobil DTE®
Oil Heavy Me dium to the colum n.
If the feed handl es do not turn smoot hly, apply
Mobilith AW 2 to the cross and longi tudinal lead
screws (C, Fig. 4). Access the cross lead screw
by moving the table forward and removing the
way cov er.
The spindle bearings are permanently sealed
and require no l ubri c ation.
10.0 Electrical Connections
A qualified electrici an mu st
make all electrical connections. Failu re to
comply may cause seriou s injury.
Before maki ng any electrical connections, make
sure the power source available is compatible
with the machine. Also, turn the machine OFF
using the buttons or switch at the front of the
machine befor e c onnec ting to the power source.
The JMD Mill/Drills are rated at 115/230V and
come from the factory prewired at 115V. The
mill/drill comes with a plug designed for use on a
circuit with an outlet that looks like the one in
Fig. 5, and has a gr ounding prong as illustrat ed
in Fig. 5.
To switch the Mill/ Dri ll to 230V operation:
1. Disconnect machine from power source.
2. Remove junc tion box cover on the motor.
3. Change the wires according to t he diagram
on the inside of the juncti on box cover, and
reinstall junc tion box cover.
4. Replace thermal relay with one rated for
230V operation (see parts list).
5. Change power plug to one rated 230V, or
hard wire the power cord.
Make sure the mill/drill is properly grounded.
8
11.0 Controls
Longitudinal Han d Wh eel s: (X-axis) (A, Fig. 6)
Located on either side of the table. Moves table
side to side.
Cross Feed Hand Wheel: (Y-axis) (B, Fig. 6)
Located on the front of the base. Moves table
toward, or away from the colum n.
Adjustable Table Stops: (C, Fig. 6)
Located on table front. Adjust to stop table at
any setting along the longitudinal axis.
Table Locks: ( D & E, Fig. 6)
Longitudinal table locks are located on front of
the table. Cross-f eed table locks are located on
the right si de under the table. Tur n clockwise to
lock.
Depth Stop:
JMD-15: (K, Fig. 8) loc ated on the left side. Set
nuts for desired depth stop.
JMD-18: ( F, F ig. 7) l ocat ed in the front. Push i n
the button on the front of the quick adjust stop
and move to desired position.
JMD-18PFN: Set the depth stop on the power
down feed assembly to desired depth for
repetitiv e drilli ng to the sam e depth, see “P ower
Feed Operation” on page 12.
Downfeed Handles: (G, Fig. 7)
Located on the right side of the head casting.
Counter-clockwise movement advances the quill
toward the table. Return spring retracts the
handles. Note: the knob (I, Fig. 7) must be loose
for the downfeed handles to work.
Fine Feed Hand Wheel: (H, Fig. 7)
Located on the front of the head casting. To
activate, ti ghten the knob (I Fig. 7) and turn the
power feed speed range dial ( J , Fig. 7) to zero.
9
Motor Mount Lock Lever: (A, Fig. 9)
Located on the right side of the head casting.
Locks and unlocks the motor mounting plate
enabling the user to tension v-belts.
Head Pivot Lock: (B, Fig. 9)
Located on the right rear of the head casting.
Loosen two hex nuts to rotate the head 360°.
Tighten two hex nuts to lock the head in
position.
On-Off Switch: (C, Fig. 10)
Turns spindle on and off, and changes spindle
direction. Allow the spindle to come to a stop
before rev er si ng rotation.
Quill Lock Handle: (D, Fig. 10)
Located on the front left of the head casting.
Turn clockwise to lock the quill in the desired
position. Turn c ounter-clockwise to release.
Head Elevating Cran k Hand le: (E, Fig. 10)
Located at left rear of head casting. Loosen
head pivot lock nuts (B, Fig. 9) and turn handle
clockwise to raise head on the column and
counter-clockwise to lower head.
3. Release two latches (G, Fig. 11) on belt
cover and slide pulley guard open (I, Fig.
11).
This machine is designed
and intended for use by properly trained and
experienced personnel only. If you are not
familiar with the proper and safe use of
mill/drills, do not use this machine until
proper training and knowledge have been
obtained. Failure to comply may cause
serious injury.
12.0 Adjustments
12.1 Changing Spindle Speeds
1. Disconnect the machine from the power
source , un plug.
2. Loosen the motor mount lock lever (F, Fig,
11) and pull the motor toward the head
casting to release tensi on on the v-belts.
10
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