AT-3102-J
A T-3102-J 3/8-INCH
BUTTERFLY IMPACT
WRENCH
CAUTION
RISK OF INJURY!
THIS MANUAL IS AN IMPORTANT PART OF THE IMPACT WRENCH
AND SHOULD REMAIN WITH THIS UNIT WHEN YOU SELL OR RENT IT.
3/8-Inch Butterfly Impact Wrench Operator's Manual 1
READ MANUAL BEFORE OPERATING!
Introduction
Congratulations on the purchase of your new 3/8-Inch Butterfly Impact Wrench! You can be
assured your impact wrench 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 3/8-Inch Butterfly Impact Wrench is used in applications requiring a compact
tool. This tool features a swivel inlet with a built in power regulator for convenient power
output adjustment, rubber nose piece to prevent damage to the housing when working in
close quarters and easy to use butterfly throttle.
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 impact wrench.
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 3/8-Inch Butterfly Impact Wrench 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 ONLY IMPACT SOCKETS AND ACCESSORIES........................ 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
3/8-Inch Butterfly Impact Wrench 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 3/8-Inch Butterfly Impact Wrench 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.
3/8-Inch Butterfly Impact Wrench 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 ONLY IMPACT SOCKETS AND ACCESSORIES
Only use sockets designated "For Use With Impact Wrenches."
Hand tool sockets can break creating a hazard from flying
pieces. Always check sockets, retainers and drives regularly for
wear or damage and replace when necessary.
6 3/8-Inch Butterfly Impact Wrench 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
3/8-Inch Butterfly Impact Wrench 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 sockets, 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:
Supplied with a combination power regulator/swivel inlet, the regulator is part of the
swivel inlet which allows 360° of rotation for easy access to tight areas. The numbers
0 thru 8 on the dial are only for reference and do not denote a specific power output.
Zero (0) designates the lowest output, while eight (8) designates the highest power
output.
Once a bolt or fastener is seated, impacting for longer than five seconds will cause
excessive wear and damage to the impacting mechanism. If it takes longer than five
seconds to tighten your bolt or fastener, we recommend the use of a larger size
impact wrench.
The butterfly throttle lever located on top of the tool allows operation in tight areas and
the design also allows quick forward/reverse changes. Depress lever to the right for
forward and to the left for reverse.
CAUTION: ONLY USE SOCKETS DESIGNED FOR IMPACT
TOOLS. USING HAND TOOL SOCKETS CAN BE
HAZARDOUS AND MAY RESULT IN PERSONAL
INJURY. ALWAYSCHECK ACCESSORIES FOR
WEAR, CRACKS AND OTHER DEFECTS BEFORE
USE.
THE DESIGN OF THIS TOOL REQUIRES THAT
EXTRA CARE MUST BE TAKEN WHEN USING THE
RATCHET IN TIGHT AREAS. HANDS AND FINGERS
SHOULD NOT BE HELD BETWEEN TOOL AND
WORK SURFACE. PERSONAL INJURY MAY
RESULT.
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.
The oil reservoir in the anvil housing should be checked every 40 hours of operation.
Remove the oil plug from the housing and hold tool so the oil port is lower than the
anvil housing. Drain oil. Measure and refill with approximately 1½ oz. (45ml) of John
Deere AT-4003 oil. Never over fill the anvil mechanism. Excessive pressure will be
created reducing tool speed and power. If the tool becomes sluggish after adding oil,
remove a small amount of oil and check performance of tool again.
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 3/8-Inch Butterfly Impact Wrench 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
Specifications
Drive size ---------------------------------------------- 3/8"
Free speed (No Load) ----------------------------- 11,000 RPM
Impacts per minute --------------------------------- 1,800 IPM
Torque-------------------------------------------------- 70 ft.lbs.
Weight-------------------------------------------------- 2 lbs.
Overall length ---------------------------------------- 5 7/8"
Average air consumption ------------------------- 3 CFM
Recommended hose size------------------------- 3/8" I.D.
Air inlet ------------------------------------------------- 1/4" NPT
Maximum Air Pressure ---------------------------- 90 PSI
Solution
1. Check air supply. For
rated performance, 90
PSI air pressure is
required at the tool, with
tool operating
2. Check for wet or dirty air.
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.
3. Contact your customer
service.
3/8-Inch Butterfly Impact Wrench Operator's Manual 9
Limited Warranty
John Deere Two-Year Limited Warranty. John Deere Wrench,
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 3/8-Inch Butterfly Impact Wrench Operator's Manual
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