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 warning labels if they become
obscured or removed.
4. This electric sheet metal notcher 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
sheet metal notcher, do not use it until proper
training and knowledge have been obtained.
5. Do not use this sheet metal notcher for other
than its intended use. If used for other
purposes, JET disclaims any real or implied
warranty and holds itself harmless from any
injury that may result from that use.
6. Always wear ANSI Z87.1 approved safety
glasses or face shield while using this machine.
(Everyday eyeglasses only have impact
resistant lenses; they are not safety glasses.)
7. Wear ear protectors (plugs or muffs) if noise
exceeds safe levels.
8. Wear appropriate footwear, such as steel-toed
shoes, when working with metal materials.
9. Make certain the machine is properly grounded.
10. Before operating the machine, remove tie,
rings, watches, other jewelry, and roll sleeves
up past the elbows. Do not wear loose clothing.
Confine long hair.
11. Keep the floor around the machine clean and
free of scrap material, oil and grease.
12. Keep machine 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 upon
completion of maintenance.
13. 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.
14. Make all machine adjustments or maintenance
with machine unplugged from power source.
15. Use the right tool. Do not force a tool or
attachment to do a job that it was not designed
to do.
16. Make certain the switch is in the OFF position
before connecting the machine to the power
supply.
17. 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.
18. Give your work undivided attention. Looking
around, carrying on a conversation and "horseplay" are careless acts that can result in serious
injury.
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. Do not overreach. Failure to maintain proper
working position can cause you to fall into the
machine or allow clothing to get caught, pulling
you into the machine.
22. Keep the floor around the machine clean and
free of scrap material, oil and grease.
23. Use recommended accessories; improper
accessories may be hazardous.
24. Do not operate this machine while under the
influence of drugs, alcohol or any medication.
25. Keep tools sharp and clean for safe and best
performance.
26. Deburr any sharp metal edges of the workpiece
before placing it into the machine. Use leather
gloves when handling workpieces.
27. Keep hands away from the blade area during
operation.
28. Provide for adequate space surrounding work
area and non-glare, overhead lighting.
29. Don't use in dangerous environment. Don't use
power tools in damp or wet locations, or expose
them to rain.
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.
2
32. Use only JET factory authorized replacement
parts and accessories; otherwise, the warranty
and guarantee are null and void.
33. Do not attempt to cut material greater than the
listed capacity of the notcher.
34. Use proper extension cord. Make sure your
extension cord is in good condition. When using
an extension cord, be sure to use one heavy
enough to carry the current your product will
draw. An undersized cord will cause a drop in
line voltage resulting in loss of power and
overheating. Table 1 (sect. 6.2) shows correct
size to use depending on cord length and
nameplate ampere rating. If in doubt, use the
next heavier gage. The smaller the gage
number, the heavier the cord.
WARNING: This product can expose you to
chemicals including lead and cadmium which are
known to the State of California to cause cancer
and birth defects or other reproductive harm, and
phthalates which are known to the State of
California to cause 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 cancer and 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
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 wellventilated area and work with approved safety
equipment, such as dust masks that are
specifically designed to filter out microscopic
particles. For more information go to
http://www.p65warnings. ca.gov/ and
http://www.p65warnings.ca. gov/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 precautions are not heeded, it may result in serious, or possibly even fatal,
injury.
SAVE THESE INSTRUCTIONS
2.0 About this manual
This manual is provided by JET, covering the safe operation and maintenance procedures for the JET Model
EMN-9 Electric Sheet Metal Notcher. This manual contains instructions on installation, safety precautions,
general operating procedures, maintenance instructions and parts breakdown. Your machine has been designed
and constructed to provide consistent, long-term operation if used in accordance with the instructions as set forth
in this document.
If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our
web site: www.jettools.com.
Retain this manual for future reference. If the machine transfers ownership, the manual should accompany it.
Read and understand the entire contents of this manual before attempting assembly or
operation! Failure to comply may cause serious injury!
1.0 IMPORTANT SAFETY INSTRUCTIONS ....................................................................................................... 2
2.0 About this manual .......................................................................................................................................... 3
3.0 Table of contents ............................................................................................................................................ 4
8.1 Blade gap tolerance ................................................................................................................................... 9
8.2 Head travel ................................................................................................................................................. 9
10.0 Troubleshooting EMN-9 Electric Notcher ................................................................................................... 10
11.0 Replacement Parts ..................................................................................................................................... 10
11.1.1 EMN-9 Electric Notcher – Exploded View ........................................................................................... 11
11.1.2 EMN-9 Electric Notcher – Parts List .................................................................................................... 12
12.0 Electrical Connections for EMN-9 Electric Notcher .................................................................................... 14
13.0 Warranty and Service ................................................................................................................................. 15
4
4.0 Specifications
Model number .............................................................................................................................................. EMN-9
Stock number .............................................................................................................................................. 754410
Motor and electricals:
Motor type ................................................................................................. totally enclosed fan cooled, induction
Voltage ................................................................................................................................................. 230V only
Listed FLA (full load amps) .......................................................................................................................... 8.6 A
Running amps (no load) ............................................................................................................................ 4.42 A
Power transfer ......................................................................................................................... Hydraulic cylinder
Controls ........................................................................................................... 24V controls, magnetic contactor
Foot switch ........................................................................................................... satellite foot pedal with E-stop
Foot switch cable length (approx..) ..................................................................................................... 6 ft. (1.8m)
Power plug ....................................................................................................................................... not provided
Recommended circuit size
Noise emission while cutting
Capacities:
Blade length .................................................................................................................................. 200 mm (8 in.)
Strokes per minute ........................................................................................................................................... 50
Working force ........................................................................................................................................... 22 tons
Maximum cutting thickness (mild steel) .......................................... 3mm (R=70 kg/mm
Workpiece positioning ....................................................................................................... up to 45-deg. L and R
Hydraulic tank (approx..) ................................................................................................................. 22 L (5.8 gal)
Maximum blade travel ................................................................................................................. 20mm (0.78 in.)
Cutting head .......................................................................................................................................... cast iron
Table size ........................................................................................................... 700 x 600 mm (27.5 x 23.6 in.)
Overall dimensions (LxWxH) ........................................................ 830 x 700 x 1050 mm (32.7 x 27.5 x 41.3 in.)
Shipping dimensions (LxWxH) ................................................... 940 x 730 x 1115 mm (2072 x 1609 x 2458 in.)
Weights:
Net ........................................................................................................................................... 375 kg (826.7 lb)
Shipping ....................................................................................................................................... 410 kg (904 lb)
1
subject to local/national electrical codes
2
The specified values are emission levels and are not necessarily to be seen as safe operating levels. As workplace
conditions vary, this information is intended to allow the user to make a better estimation of the hazards and risks
involved only.
L= length; W=width; H=height
The specifications in this manual were current at time of publication, but because of our policy of continuous
improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring
obligations.
1
.......................................................................................................................... 15 A
2
.................................................................................. 70.2 dB at 3 ft. from blades
2
); 4mm (R=42 kg/mm2)
5
Read and understand the entire
contents of this manual before attempting setup or operation! Failure to comply may cause
serious injury.
5.0 Setup and assembly
Open shipping container and check for shipping
damage. Report any damage immediately to your
distributor and shipping agent. Do not discard any
shipping material until the machine is assembled
and running properly.
Compare the contents of your container with the
following parts list to make sure all parts are intact.
Missing parts, if any, should be reported to your
distributor. Read the instruction manual thoroughly
for assembly, maintenance and safety instructions.
5.1 Shipping contents
1 Electric Notcher
1 Eye bolt
1 0.25mm feeler gauge
1 6mm hex wrench
1 Operating Instructions and Parts Manual
1 Warranty Card
5.2 Location and cleanup
1. Install provided eye bolt into threaded hole atop
the machine.
2. Remove any fasteners holding machine to
pallet.
3. Use forklift or hoist with straps to carefully move
the machine off the pallet and into position
(Figure 5-1). Lifting equipment must be properly rated for weight of machine.
4. Position notcher so there is enough room on all
sides for general maintenance and feeding of
materials. Anchor machine to a stable floor,
preferably concrete, using lag screws or other
appropriate fasteners through holes in base
(inside cabinet). Level the machine; use shims
if needed.
5. Exposed metal surfaces have been given a
protective coating. Remove this with a soft cloth
and a cleaner-degreaser. Do not use gasoline,
paint thinner, acetone, etc., as these may
damage painted surfaces. Do not use an
abrasive pad, as it may scratch polished
surfaces.
Figure 5-1: lifting the machine
5.3 Lubrication
This machine is not supplied
with hydraulic oil. The oil tank must be filled with
hydraulic oil before operating. Failure to comply
will damage machine.
1. Open front door and unscrew filler cap (A,
Figure 7-1).
2. Fill tank with approximately 22 liters (5.8 gal.)
of hydraulic oil. ISO VG46 or equivalent is
recommended. [The pressure gauge has been
pre-set by manufacturer at 150 kg/cm
psi), and should not require immediate
adjustment.]
See sect. 9.0 for additional lubrication information.
2
(2100
Figure 7-1: hydraulic oil requirement
6
6.0 Electrical connections
Electrical connections must be
made by a qualified electrician in compliance
with all relevant codes. This machine must be
properly grounded to help prevent electrical
shock and possible fatal injury.
The EMN-9 Electric Notcher is pre-wired for 230volt, three-phase operation. It is not provided with a
power plug; you may either attach a proper 230V, 3phase UL-listed plug, or “hardwire” the machine
directly to a service panel (make sure a disconnect
is available to the operator).
It is recommended that the Electric Notcher be
connected to a dedicated 15 amp circuit with a
circuit breaker or fuse. If connected to a circuit
protected by fuses, use time delay fuse marked “D”.
NOTE: Local codes take precedence over
recommendations.
6.1 GROUNDING INSTRUCTIONS
This tool must be grounded. In the event of a
malfunction or breakdown, grounding provides a
path of least resistance for electric current to reduce
the risk of electric shock.
If used with a plug:
Grounded, cord-connected tools intended for use on
a supply circuit having a nominal rating between
150-250 V inclusive:
This tool is intended for use on a three-phase circuit.
Make sure the tool is connected to an outlet having
the same configuration as the plug. No adapter is
available or should be used with this tool. If the tool
must be reconnected for use on a different type of
electric circuit, the reconnection should be made by
qualified service personnel; and after reconnection,
the tool should comply with all local codes and
ordinances.
If hardwired:
Permanently connected tools: This tool should be
connected to a grounded metal permanent wiring
system; or to a system having an equipmentgrounding conductor.
Improper connection of the
equipment-grounding conductor can result in a
risk of electric shock. Check with a qualified
electrician or service person if you are in doubt
as to whether the outlet is properly grounded.
The conductor with insulation having an outer
surface that is green with or without yellow stripes is
the equipment-grounding conductor. If repair or
replacement of the electric cord or plug is
necessary, do not connect the equipment-grounding
conductor to a live terminal.
Repair or replace damaged or worn cord
immediately.
6.2 Extension cords
The use of extension cords is discouraged; try to
position equipment within reach of the power
source. If an extension cord becomes necessary, be
sure it is heavy enough to carry the current your
product will draw. An undersized cord will cause a
drop in line voltage resulting in loss of power and
overheating.
Table 1 shows recommended size to use depending
on cord length and nameplate ampere rating. If in
doubt, use the next heavier gauge. The smaller the
gauge number, the heavier the cord.
Ampere
Rating
More
Than
00 06 18 16 16 14
06 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12
Not
More
Than
Extension Cord Recommendations
Volts
240 50 100 200 300
AWG
Total length of
cord in feet
Not
Recommended
Table 1
7
7.0 Operation
7.1 Controls
Up/Down (located on electric cabinet): Regulates
direction of head.
Manu/Auto (located on electric cabinet): Manual
mode allows switch (or foot pedal) to be bumped to
lower the head in steps. Auto mode performs
complete cycle of blade drop and rise.
Start/Stop (located on electric cabinet): Main switch
for starting and stopping machine.
The foot pedal creates same action as Up/Down
switch, in Manual or Auto mode. An Emergency
Stop (E-Stop) switch is located atop the post. This
shuts down all machine functions. To restart
machine, rotate E-stop clockwise until it
disengages. (NOTE: It is recommended that Stop
button on electric cabinet be used for normal shutdown to prevent unnecessary wear on E-stop.)
7.2 General operating procedure
1. Set machine to automatic or manual mode.
2. Loosen handle (A, Figure 7-1) and slide fences
to accommodate workpiece size.
3. Remove pin (B) and adjust reference block (C)
to desired angle.
4. Adjust left and right fences (D) to match
workpiece.
Figure 7-1
5. Press foot pedal to operate.
6. Cut pieces will slide down exit chute at back of
machine.
Falling sheet metal pieces
can cause foot injury. Use appropriate
footwear when operating this machine.
Figure 7-2 shows various workpiece positions
possible with this machine.
Figure 7-2: workpiece positions
8
8.0 Adjustments
8.1 Blade gap tolerance
1. Disconnect machine from power supply.
2. Remove screws (E, Figure 8-1) and guard (F).
3. Loosen cam screws (G) and blade screws (H).
4. Use provided 0.25mm feeler gauge to measure
gap between upper and lower blades (J, Figure
8-2). Adjust blade against gauge using cam
screws (G). Gauge should be snug but can still
be smoothly removed.
Make sure blades are flush against each other
at the corners. See Figure 8-3.
5. Reinstall guard and tighten all screws.
8.2 Head travel
Adjust knob (Figure 8-4) to control head travel
distance. Maximum travel is 20mm (0.78 in.).
Figure 8-4: cutting depth control
9.0 User-maintenance
Figure 8-1: gap adjustment
Figure 8-2: gap adjustment
Disconnect machine from
power supply before performing any
maintenance. Failure to comply may cause
serious injury.
Change hydraulic oil and filter after first 3,000 hours
of operation. Then change after every 5,000 hours
of operation. Follow local regulations for disposal of
used oil.
Keep table and T-slots clean and free of rust.
Periodically apply a light coat of SAE30 oil or
equivalent to exposed metal surfaces, such as
table, fences and blades.
Keep blade area free of deposits or shavings, which
can impede cut quality and hasten blade wear.
If blades become dull, they can be removed and resharpened.
9.1 Additional servicing
Any additional servicing should be performed by an
authorized JET service center.
Figure 8-3
9
10.0 Troubleshooting EMN-9 Electric Notcher
Table 2
Symptom Possible Cause Correction *
Machine appears to
labor during cutting.
Edges of cut are rough
or rolled.
Poor cut quality.
* WARNING: Some corrections may require a qualified electrician.
Machine capacity exceeded. Use materials within rated capacity.
Improper lubrication. Follow lubricating guidelines.
Blade gap incorrect. Adjust blade gap.
Insufficient workpiece material on both
sides of blade.
Machine capacity exceeded. Use materials within rated capacity.
Blades dry; improper lubrication. Follow lubricating guidelines.
Blades dull or damaged. Resharpen or replace blades.
Blades are loose. Check all blades for tightness.
Make sure workpiece lengths on both
sides of blades are approx. 8 times
workpiece thickness.
11.0 Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial Number of
your machine available when you call will allow us to serve you quickly and accurately.
Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET.
Some parts are shown for reference only, and may not be available individually.
10
11.1.1 EMN-9 Electric Notcher – Exploded View
11
11.1.2 EMN-9 Electric Notcher – Parts List
Index No. Part No. Description Size Qty
1 ................ EMN9-1 ..................... Cabinet Door ........................................................... ...................................... 1
2 ................ TS-1503011 .............. Socket HD Cap Screw ............................................. M6x8 ........................... 11
28 .............. EMN9-28 ................... Right Head Set Cover ............................................. ...................................... 1
29 .............. EMN9-29 ................... Left Head Set Cover ................................................ ...................................... 1
31 .............. EMN9-31 ................... Main Rod ................................................................. ...................................... 2
43 .............. EMN9-43 ................... Electric Distributor Assembly ................................... ...................................... 1
44 .............. EMN9-44 ................... Oil Tank ................................................................... ...................................... 1
45 .............. EMN9-45 ................... Oil Tank Top Cover.................................................. ...................................... 1
47 .............. EMN9-47 ................... Motor ...................................................................... 3HP, 220V .................... 1
47-1 ........... EMN9-47-1 ................ Motor Fan (not shown)............................................. ...................................... 1
53 .............. EMN9-53 ................... Front Head Cover .................................................... ...................................... 1
54 .............. EMN9-54 ................... Rear Head Cover ..................................................... ...................................... 1
83 .............. EMN9-83 ................... Oil Tank Cap ............................................................ ...................................... 1
12.0 Electrical Connections for EMN-9 Electric Notcher
14
13.0 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 Covered
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. JET woodworking machinery is designed to be used with Wood.
Use of these machines in the processing of metal, plastics, or other materials may void the warranty. The exceptions
are acrylics and other natural items that are made specifically for wood turning.
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 proof
of initial purchase when 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 Information
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 Applies
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 materials 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.
15
427 New Sanford Road
LaVergne, Tennessee 37086
Phone: 800-274-6848
www.jettools.com
16
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