AT-3401-J
AT -3401-J
CUT -OFF T OOL
CAUTION
RISK OF INJURY!
THIS MANUAL IS AN IMPORTANT PART OF THE CUT-OFF TOOL
AND SHOULD REMAIN WITH THIS UNIT WHEN YOU SELL OR RENT IT.
Cut-Off Tool Operator's Manual 1
READ MANUAL BEFORE OPERATING!
Introduction
Congratulations on the purchase of your new cut-off tool! You can be assured your cut-off
tool was constructed and designed with quality and performance in mind. Each component has been rigorously tested to ensure the highest level of acceptance.
John Deere Cut-Off Tool is designed to cut clamps, hangers, sheet metal, bolts, and will
cut up to 3/4" thick steel rods. John Deere Cut-Off Tool features a lock-off lever to prevent
accidental starts.
This operator's manual was compiled for your benefit. By reading and following the simple
safety, installation, operation, maintenance and troubleshooting steps described in this
manual, you will receive years of trouble-free operation from your new cut-off tool. The
contents of this manual are based on the latest product information available at the time of
publication. The manufacturer reserves the right to make changes in price, color, materials, equipment, specifications or models at any time without notice.
Once the unit has been removed from the box, immediately write in the serial number of your
unit in the space provided below.
SERIAL NUMBER_________________________________
Inspect for signs of obvious or concealed freight damage. If damage does exist, file a claim
with the transportation company immediately. Be sure that all damaged parts are replaced and
that the mechanical problems are corrected prior to operation of the unit. If you require service,
contact your Customer Service.
Mi-T-M® Corporation, 8650 Enterprise Drive, Peosta, IA 52068
1-877-JD-KLEEN / (1-877-535-5336) Fax 563-556-1235
Monday - Friday 8:00 a.m. - 5:00 p.m. CST
Please have the following information available for all service calls:
2 Cut-Off Tool Operator's Manual
1. Model Number
2. Serial Number
3. Date and Place of Purchase
Table of Content
INTRODUCTION .................................................................................................... 2
TABLE OF CONTENTS ......................................................................................... 3
SAFETY .................................................................................................................. 4-6
RECOGNIZE SAFETY INFORMATION ................................................ 4
UNDERSTAND SIGNAL WORDS......................................................... 4
READ OPERATING INSTRUCTIONS................................................... 4
ALWAYS WEAR APPROVED EYE PROTECTION ............................. 5
HEARING PROTECTION IS RECOMMENDED ................................... 5
WEAR RESPIRATORY PROTECTION ................................................ 5
AVOID PROLONGED EXPOSURE TO VIBRATION............................ 6
90 PSIG MAXIMUM ............................................................................... 6
USE ACCESSORIES RATED AT TOOL RPM OR HIGHER................. 6
INSTALLATION...................................................................................................... 7
RECOMMENDED AIR LINE SET-UP.................................................... 7
OPERATION........................................................................................................... 8
MAINTENANCE ..................................................................................................... 8
TROUBLESHOOTING ........................................................................................... 9
SPECIFICATIONS.................................................................................................. 9
STATEMENT OF WARRANTY .............................................................................. 10-11
FRENCH ................................................................................................................. 12-21
SPANISH ................................................................................................................ 22-31
Cut-Off Tool Operator's Manual 3
Safety
RECOGNIZE SAFETY INFORMATION
This is the safety alert symbol. When you see this symbol on
your pneumatic tool or in this manual, be alert to the potential
for personal injury.
Follow recommended precautions and safe operating
practices.
UNDERSTAND SIGNAL WORDS
A "DANGER, WARNING or CAUTION" safety warning will be
surrounded by a "SAFETY ALERT BOX." This box is used to
designate and emphasize Safety Warnings that must be
followed when operating this tool.
Accompanying the Safety Warnings are "signal words" which
designate the degree or level of hazard seriousness. The
"signal words" used in this manual are as follows:
DANGER: Indicates an imminently hazardous situation
which, if not avoided, WILL result in death or
serious injury.
WARNING: Indicates a potentially hazardous situation
which, if not avoided, COULD result in death or
serious injury.
CAUTION: Indicates a potentially hazardous situation
which, if not avoided MAY result in minor or
moderate injury.
READ OPERATING INSTRUCTIONS
Always become familiar with all the instructions and
warnings before operating any pneumatic tool.
ALWAYS PROVIDE A COPY OF THIS MANUAL TO
ANYONE USING THIS EQUIPMENT. READ ALL
INSTRUCTIONS BEFORE OPERATING THIS TOOL
AND ESPECIALLY POINT OUT THE "SAFETY
WARNINGS" TO PREVENT THE POSSIBILITY OF
PERSONAL INJURY TO THE OPERATOR.
4 Cut-Off Tool Operator's Manual
WARNING
ALWAYS WEAR APPROVED EYE PROTECTION
Impact resistant eye protection should meet or
exceed the standards as set forth in the United
States ANSI Z87.1, Occupational and Educational
Eye and Face Protection. Look for the marking
Z87.1 on your eye protection to insure that it is an
approved style. For further information, ANSI Z87.1,
Occupational and Educational Eye and Face
Protection, is available from the American National
Standards Institute, Inc., 11 West 42nd Street, New
York, NY 10036.
HEARING PROTECTION IS RECOMMENDED
Hearing protection should be used when the noise
level exposure equals or exceeds an 8 hour timeweighted average sound level of 85 dBA. Process
noise, reflective surfaces, other tools being operated
nearby, all add to the noise level present in your
work area. If you are unable to determine your noise
level exposure, we recommend the use of hearing
protection.
WEAR RESPIRAT ORY PROTECTION
It is advisable, when using this tool for extended
periods of time, to wear a protective mask. This will
help prevent the inhalation of the fine dust produced
while using this tool. Prolonged breathing of dust
particles may lead to future respiratory problems.
Some dust created by power sanding, sawing,
grinding, drilling and other construction activities
contain chemicals known to cause cancer, birth
defects or reproductive harm. Some examples of
these chemicals are:
• Lead from lead-base paints
• Crystalline Silica from bricks, cement and other
masonry products.
• Arsenic and Chromium from chemically treated
lumber.
Your risk from these 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
specially designed to filter out microscopic particles.
Cut-Off Tool Operator's Manual 5
WARNING
AVOID PROLONGED EXPOSURE TO VIBRATION
Pneumatic tools can vibrate during use. Prolonged exposure
to vibration or very repetitive hand and arm movements, can
cause injury. Stop using any tool if discomfort, tingling feeling
or pain occurs. You should consult your physician before
resuming use of the tool.
CAUTION
90 PSIG MAXIMUM
Designed to operate at an air pressure of 90 pounds per square
inch gauge pressure (90 PSIG) maximum, at the tool. Use of
higher air pressure can, and may cause injury. Also use of
higher air pressure places the internal components under loads
and stresses they were not designed for, causing premature
tool failure.
NOTE: The air supply should be clean and dry, preferably
lubricated. For best results drain the moisture from your
compressor daily.
USE ACCESSORIES RATED AT TOOL RPM OR HIGHER
Always use cut-off wheels with an RPM rating that meets or
exceeds the tool RPM rating. Always examine wheels for chips,
cracks or signs of damage before mounting. Never use cut-off
wheels that have been dropped or exposed to: water, solvent or
extreme temperature changes. It is a good practice to operate
the tool in a protected enclosure for one minute after mounting
a cut-off wheel.
6 Cut-Off Tool Operator's Manual
Installation
Designed to operate on 90 PSIG, lower pressure (below
90 PSIG) will reduce performance of the tool while higher air
pressure (over 90 PSIG) raises the performance of the tool
beyond its rated capacity and could cause serious damage to
tool and user.
Always use clean dry air. Excessive moisture and dirt will greatly reduce the life of any
air motor. We recommend the installation of an in-line filter-regulator-lubricator as
close to the tool as possible.
A 3/8" air hose is required up to a length of 8 ft. If more length is required a 1/2" air
hose should be connected to the 3/8" hose to ensure the tool has the necessary air
supply. Be sure all hoses and fittings are the correct size and tightly secured.
RECOMMENDED AIR LINE SET-UP
Cut-Off Tool Operator's Manual 7
Operation
PRE-OPERATION:
Before the tool is connected to the air supply, clear the air hose of accumulated dust
and moisture. Before removing a tool for service or changing accessories, make sure
the air line is shut-off and drained of air. This will prevent the tool from operating if the
throttle is accidentally engaged.
OPERATION:
Designed for use with recommended cut-off wheels rated at 22,000 RPM or higher. To
begin operation, grip tool and depress safety lock while engaging throttle. The metal
guard must be attached properly and in good condition before operation.
REPLACING CUT-OFF WHEELS:
Remove bolt form arbor. Slide cut-off wheel into position under guard. Thread bolt into
arbor until snug and check that disc is centered. Use two 1" wrenches to tighten bolt
and disc to arbor. Do not overtighten bolt, disc may crack under excessive torque.
After checking tool and installing cutting disc, connect air supply to tool. Start motor
before applying to work surface. Grip tool on housing only.
CAUTION: CHIPS AND SPARKS MY BE THROWN
OUTSIDE THE GUARD, ALWAYS WEAR
PROPER EYE PROTECTION, AND RETAIN
A GOOD GRIP ON THE TOOL.
Maintenance
LUBRICATION:
An automatic in-line filter-regulator-lubricator is recommended as it increases tool life
and keeps the tool in sustained operation. The in-line lubricator should be regularly
checked and filled with John Deere AT-4003 air tool oil. Proper adjustment of the in-line
lubricator is performed by placing a sheet of paper next to the exhaust ports and
holding the throttle open approximately 30 seconds. The lubricator is properly set when
a light stain of oil collects on the paper. Excessive amounts of oil should be avoided.
In the event that it becomes necessary to store the tool for an extended period of time
(overnight, weekend, etc.), it should receive a generous amount of lubrication at that
time. The tool should be run for approximately 30 seconds to ensure oil has been
evenly distributed throughout the tool. The tool should be stored in a clean and dry
environment.
Recommended lubricants: Use John Deere AT-4003 air tool oil or any other high
grade turbine oil containing moisture absorbent, rust inhibitors, metal wetting agents
and an EP (extreme pressure) additive.
8 Cut-Off Tool Operator's Manual
Troubleshooting
Symptom
Loss of Power
Problem
1. Low air pressure
2. Improper lubrication or dirt
build up
3. Worn motor parts, or other
problems
Solution
1. Check air supply. For
2. Check for wet or dirty air.
3. Contact your customer
Specifications
Speed -------------------------------------------------- 22,000 RPM
Wheel size -------------------------------------------- 2 7/8" x 3/8" x 1/16"
Arbor size --------------------------------------------- 3/8""
Length -------------------------------------------------- 7 1/4"
Weight-------------------------------------------------- 2 Ibs.
Air inlet ------------------------------------------------- 1/4" NPT
Recommended hose size------------------------- 3/8" I.D.
Average air consumption ------------------------- 4 CFM
Maximum operating pressure -------------------- 90 PSI
rated performance, 90
PSI air pressure is
required at the tool, with
tool operating
Wet air tends to wash
lubricant away. Dirt or
foreign matter will
impede the action of the
motor. If dirt or water has
entered the tool, flush
with John Deere AT-
4003.
service.
Cut-Off Tool Operator's Manual 9
Limited Warranty
John Deere Two-Year Limited Warranty. John Deere Cut-Off
Tool, Models covered in this manual, are warranted by John Deere
to the original user against defects in workmanship or materials
under normal use for two years after date of purchase. Any part
which is determined to be defective in material or workmanship and
returned to an authorized service location, as John Deere designates, shipping costs prepaid, will be, as the exclusive remedy,
repaired or replaced at John Deere’s option. For limited warranty
claim procedures, see PROMPT DISPOSITION below. This limited
warranty gives purchasers specific legal rights which may vary from
jurisdiction to jurisdiction.
Limitation of Liability. To the extent allowable under applicable
law, John Deere’s liability for consequential and incidental damages
is expressly disclaimed. John Deere’s liability in all events is limited
to and shall not exceed the purchase price paid.
Warranty Disclaimer. John Deere has made a diligent effort to
provide product information and illustrate the products in this
literature accurately; however, such information and illustrations are
for the sole purpose of identification, and do not express or imply a
warranty that the products are merchantable, or fit for a particular
purpose, or that the products will necessarily conform to the
illustrations or descriptions.
Except as provided below, no warranty or affirmation of fact,
expressed or implied, other than as stated in the “LIMITED
WARRANTY” above is made or authorized by John Deere.
10 Cut-Off Tool Operator's Manual
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