Chicago Pneumatic CP 8740 Operator's Manual
SPECIAL NOTE: New battery packs are not fully charged.
Charge your battery pack before using it for the first time and
follow the charging instructions in your charger manual.
NOTE SPÉCIALE: Les batteries neuves ne sont pas
entièrement chargées. Chargez la batterie avant de vous en
servir la première fois en suivant les instructions de recharge
dans le manuel qui accompagne cet outil.
NOTA ESPECIAL: Las batterias, cuando son nuevas, no están
totalmente cargadas. Cargue su bateria antes de usarla por
primera vez siga las instrucciones de carga que vienen en el
manuel de la herramienta.
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
TO REDUCE THE RISK OF INJURY, USER MUST READ AND UNDERSTAND
OPERATOR'S MANUAL.
AFIN DE RÉDUIRE LE RISQUE DE BLESSURES, L'UTILISATEUR DOIT LIRE ET
BIEN COMPRENDRE LE MANUEL DE L'UTILISATEUR.
PARA REDUCIR EL RIESGO DE LESIONES, EL USUARIO DEBE LEER Y
ENTENDER EL MANUAL DEL OPERADOR.
14.4 V IMPACT WRENCHES
CLÉS À CHOCS DE 14,4 V
LLAVES DE IMPACTO DE 14,4 V
Catalog No.
No de Cat.
Cat. No.
CP 8730
CP 8740
2 3
TOOL USE AND CARE
13. Use clamps or other practical way
to secure and support the workpiece to a stable platform. Holding
the work by hand or against your body
is unstable and may lead to loss of
control.
14. Do not force tool. Use the correct
tool for your application. The correct tool will do the job better and safer
at the rate for which it is designed.
15. Do not use tool if switch does not
turn it on or off. A tool that cannot
be controlled with the switch is dangerous and must be repaired.
16. Disconnect battery pack from tool
or place the switch in the locked
or off position before making any
adjustments, changing accessories, or storing the tool. Such pre-
ventive safety measures reduce the
risk of starting the tool accidentally.
17. Store idle tools out of reach of
children and other untrained persons. Tools are dangerous in the
hands of untrained users.
18. When battery pack is not in use,
keep it away from other metal objects like: paper clips, coins, keys,
nails, screws, or other small
metal objects that can make a
connection from one terminal to
another. Shorting the battery termi-
nals together may cause sparks,
burns, or a fire.
19. Maintain tools with care. Keep cut-
ting tools sharp and clean. Properly maintained tools with sharp cutting edge are less likely to bind and are
easier to control.
20. Check for misalignment or bind-
ing of moving parts, breakage of
parts, and any other condition that
may affect the tool's operation. If
damaged, have the tool serviced
before using. Many accidents are
caused by poorly maintained tools. Do
not use a damaged tool. Tag damaged
tools “Do not use” until repaired.
21. Use only accessories that are rec-
ommended by the manufacturer
for your model. Accessories that
may be suitable for one tool may create a risk of injury when used on another tool.
SERVICE
22. Tool service must be performed
only by qualified repair personnel. Service or maintenance per-
formed by unqualified personnel may
result in a risk of injury.
23. When servicing a tool, use only
identical replacement parts. Follow instructions in the Maintenance section of this manual. Use
of unauthorized parts or failure to follow Maintenance Instructions may create a risk of shock or injury.
SPECIFIC SAFETY RULES
WORK AREA
ELECTRICAL SAFETY
PERSONAL SAFETY
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS.
Failure to follow all instructions listed below, may result in
electric shock, fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
GENERAL SAFETY RULES-FOR ALL BATTERY OPERATED TOOLS
1. Keep your work area clean and
well lit. Cluttered benches and dark
areas invite accidents.
2. Do not operate power tools in ex-
plosive atmospheres, such as in
the presence of flammable liquids, gases, or dust. Power tools
create sparks which may ignite the
dust or fumes.
3. Keep bystanders, children, and
visitors away while operating a
power tool. Distractions can cause
you to lose control. Protect others in
the work area from debris such as
chips and sparks. Provide barriers or
shields as needed.
4. Do not abuse the cord. Never use
the cord to carry the tool. Keep
cord away from heat, oil, sharp
edges, or moving parts. Replace
damaged cords immediately.
Damaged cords may create a fire.
5. A battery operated tool with inte-
gral batteries or a separate
battery pack must be recharged
only with the specified charger
for the battery. A charger that may
be suitable for one type of battery may
create a risk of fire when used with
another battery.
6. Use battery operated tool only
with specifically designated battery pack. Use of any other batteries
may create a risk of fire.
7. Stay alert, watch what you are do-
ing, and use common sense when
operating a power tool. Do not use
tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while
operating power tools may result in
serious personal injury.
8. Dress properly. Do not wear loose
clothing or jewelry. Contain long
hair. Keep your hair, clothing, and
gloves away from moving parts.
Loose clothes, jewelry, or long hair
can be caught in moving parts.
9. Avoid accidental starting. Be sure
switch is in the locked or off position before inserting battery
pack. Carrying tools with your finger
on the switch or inserting the battery
pack into a tool with the switch on
invites accidents.
10. Remove adjusting keys or
wrenches before turning the tool
on. A wrench or a key that is left at-
tached to a rotating part of the tool
may result in personal injury.
11. Do not overreach. Keep proper
footing and balance at all times.
Proper footing and balance enable better control of the tool in unexpected
situations.
12. Use safety equipment. Always
wear eye protection. Dust mask,
nonskid safety shoes, hard hat, or
hearing protection must be used for
appropriate conditions.
1. Maintain labels and nameplates. These carry important information. If unreadable
or missing, contact a
MILWAUKEE
service facility for a free replacement.
2. WARNING! Some dust created by power sanding, sawing, 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 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.
4 5
1
4
3
2
FUNCTIONAL DESCRIPTION
Symbology
Volts Direct Current
Impacts per Minute
Under Load (IPM)
Properly Recycle Nickel
Cadmium Batteries
Underwriters
Laboratories, Inc.
Cat. No. CP 8730
1. 3/8" square drive shank
2. Forward/reverse switch
3. Trigger
4. Battery pack
5. Battery pack release button
6. 1/2" square drive shank
Cat. No. CP8740
6
CHARGING & USING BATTERY PACKS
Charge your battery pack before using your
tool for the first time and when your tool no
longer performs with the power and torque
needed for the job. Full loading capacity of
battery pack is only reached after
4 - 5 chargings. Never completely discharge the battery pack. Standard charging time will vary according to the type of
charger you use. The charging time will
also vary depending on the supply voltage
and charge needed. For example, if your
battery pack does not require a full charge,
charging time will be less.
FOR SPECIFIC CHARGING INSTRUCTIONS,
PLEASE READ THE CHARGER INSTRUCTION SHEET SUPPLIED WITH YOUR
CHARGER.
Battery packs are affected by temperature. Your battery pack will perform best
and have longest life if it is charged when
the temperature is between 60°-80°F
(15°-27°C). Do not charge in temperatures
below 40°F (5°C) or above 105°F (40°C).
Under these conditions, capacity will be
reduced. See “Maintenance”.
Removing Battery Pack from Tool
Push in the release buttons and remove
the battery pack.
Fig. 2
Inserting Battery Pack into Tool
Battery pack can be inserted into the tool
in two ways.
1. For working in restricted spaces.
Insert the battery pack from the front
by pressing in the release buttons and
sliding battery pack into the body of
the tool (Fig. 1). Insert the battery pack
until clamp engages.
WARNING!
Charge only
Chicago Pneumatic
9.6V, 12V, 14.4V, 18V battery packs
in chargers. Other types of batteries may explode causing personal
injury and damage.
2. For optimum weight distribution and
balance.
Insert the battery pack from the back
by pressing in the release buttons and
sliding the battery pack into the body
of the tool (Fig. 2). Insert the battery
pack until clamp engages.
Fig. 1
No Load Revolutions
per Minute (RPM)
IPM
0 - 3500
0 - 3500
Cat.
No.
CP 8730
CP 8740
Average
Torque
Output
1056 in-lbs.
1404 in-lbs.
Volts
DC
14.4
14.4
Specifications
Drive
Shank
3/8" Square
1/2" Square
RPM
0 - 2600
0 - 2600
Type
Impact Wrench
Impact Wrench
5
6 7
WARNING!
OPERATION
Using the Forward/Reverse Switch
(Fig. 6)
The forward/reverse switch may be set to
three positions: forward, reverse and lock.
Due to a lockout mechanism, the forward/
reverse switch can only be adjusted when
the trigger is not pressed. Always allow
the motor to come to a complete stop before using the forward/reverse switch.
1. For forward (clockwise) rotation,
push the forward/reverse switch in
the direction shown. Check the direction of rotation before use.
2. For reverse (counterclockwise) ro-
tation, push the forward/reverse
switch in the direction shown. Check
the direction of rotation before use.
3. To lock the trigger, push the forward/
reverse switch to the center position.
The trigger will not work when the forward/reverse switch is in the locked
position. Always lock the trigger or
remove the battery pack before performing maintenance, changing accessories, storing the tool and any time
the tool is not in use.
Starting, Stopping and Controlling
Speed
These tools may be operated at any speed
from 0 to full speed.
1. To start the tool, pull the trigger.
2. To vary the driving speed, simply increase or decrease pressure on the
trigger. The further the trigger is pulled,
the greater the speed.
3. To stop the tool, release the trigger
and the electric brake stops the tool
instantly.
Impacting Techniques
The longer a bolt, screw, or nut is impacted,
the tighter it will become. To help prevent
damaging the fasteners or workpieces,
avoid excessive impacting. Be particularly
careful when impacting smaller fasteners
because they require less impacting to
reach optimum torque.
Practice with various fasteners, noting the
length of time required to reach the desired torque. Check the tightness with a
hand-torque wrench. If the fasteners are
too tight, reduce the impacting time. If they
are not tight enough, increase the impacting time.
Impacting for two seconds is generally
sufficient for a 3/8" bolt and one second
for a 5/16" bolt. However, oil, dirt, rust or
other matter on the threads or under the
head of the fastener affects the degree of
tightness.
The torque required to loosen a fastener
averages 75% to 80% of the tightening
torque, depending on the condition of the
contacting surfaces.
On light gasket jobs, run each fastener
down to a relatively light torque and use a
hand torque wrench for final tightening.
To reduce the risk of injury, wear
safety goggles or glasses with
side shields.
Forward
Reverse
Fig. 6
WARNING!
TOOL ASSEMBLY
Always lock trigger or remove
battery pack before changing or
removing accessories. Only use
accessories specifically recommended for this tool. Others may
be hazardous.
Attaching and Removing Accessories
These impact wrenchs are intended only
for use with sockets designed for impact
wrenches that have a 3/8" or 1/2" square
drive. Other sockets could shatter or break,
causing injury.
1. To attach a socket or other accessory, align the accessory with the
drive shank and push it firmly over the
retaining ring.
2. To remove the accessory, pull the accessory off the drive shank.
WARNING!
Use only sockets and other accessories specifically designed for
use on impact wrenches and drivers. Other sockets and accessories might shatter or break causing injury.
8 9
RBRC Battery Recycling Seals
The RBRC™ Battery Recycling Seals (see
"Symbology") on your tool battery packs indicate that
MILWAUKEE
has arranged for
the recycling of that battery pack with the
Rechargeable Battery Recycling Corporation
(RBRC). At the end of your battery pack's
useful life, return the battery pack to a
MILWAUKEE
Branch Office/Service Center
or the participating retailer nearest you. For
more information, visit the RBRC web site at
www.rbrc.org.
WARNING!
To reduce the risk of explosion,
never burn a battery pack even if
it is damaged, dead or completely discharged.
MAINTENANCE
WARNING!
To reduce the risk of injury,
always unplug the charger and
remove the battery pack from
the charger or tool before
performing any maintenance.
Never disassemble the tool,
battery pack or charger. Contact
a
MILWAUKEE
service facility for
ALL repairs.
Keep your tool, battery pack and charger
in good repair by adopting a regular maintenance program. After six months to one
year, depending on use, return the
tool, battery pack and charger to a
MILWAUKEE
service facility for:
• Lubrication
• Mechanical inspection and cleaning
(gears, spindles, bearings, housing,
etc.)
• Electrical inspection (battery pack,
charger, motor)
• Testing to assure proper mechanical
and electrical operation
Maintaining Tool
If the tool does not start or operate at full
power with a fully charged battery pack,
clean the contacts on the battery pack. If
the tool still does not work properly, return
the tool, charger and battery pack, to a
MILWAUKEE
service facility for repairs.
Maintaining Battery Pack
Chicago Pneumatic
battery packs will operate for many years and/or hundreds of
cycles when they are maintained and used
according to these instructions.
A battery pack that is stored for six months
without being used will discharge itself.
Batteries discharge at a rate of about 1%
per day. Charge the battery every six
months even if it is unused to maximize
battery life. Do not tape the trigger in the
“ON” position and leave the tool unattended
as this may discharge the battery to a point
where it will no longer be able to recharge.
Use a
Chicago Pneumatic
battery pack
only until it no longer performs with the
power and torque needed for your application.
Store your battery pack in a cool, dry place.
Do not store it where the temperature may
exceed 120°F (50°C) such as a vehicle or
metal building during the summer. High temperatures will overheat the battery pack,
reducing battery life. If it is stored for several months, the battery pack will gradually lose its charge. One to three cycles of
charging and discharging through normal
use will restore the capacity of the battery
pack. During the life of the battery pack the
operating time between charges becomes
shorter. If the operating time becomes extremely short after a proper charge, the
usable life of the battery pack has been
reached and it should be replaced.
WARNING!
To reduce the risk of personal
injury and damage, never immerse your tool, battery pack or
charger in liquid or allow a liquid
to flow inside them.
Cleaning
Clean dust and debris from charger and
tool vents. Keep tool handles clean, dry
and free of oil or grease. Use only mild
soap and a damp cloth to clean the tool,
battery pack and charger since certain
cleaning agents and solvents are harmful
to plastics and other insulated parts. Some
of these include gasoline, turpentine, lacquer thinner, paint thinner, clhlorinated cleaning solvents, ammonia and household detergents containing ammonia. Never use flammable or combustible solvents around tools.
Chicago Pneumatic Tool Company Limited Warranty and Service Policy
Products of the Chicago Pneumatic Tool Company (“CP”) are warranted to be free from
defects in material and workmanship for one year from the date of purchase.
This warranty applies only to Products purchased new from CP or its authorized dealers. Of
course this warranty does not apply to Products which have been abused, modified, or
repaired by someone other than CP or its Authorized Service Representatives.
If a CP Product proves defective in material or workmanship within one year after purchase,
return it to any Authorized Service Center* transportation prepaid, enclosing your name and
address, adequate proof of date of purchase and a short description of the defect. CP (or its
affiliate) will, at its option, repair or replace defective Products free of charge. Repairs or
replacements are warranted as described above for the remainder of the original warranty
period. CP’s sole liability and your exclusive remedy under this Warranty is limited to repair or
replacement of the defective Product.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, OR CONDITIONS, WRITTEN OR ORAL, EXPRESSED OR IMPLIED, INCLUDING,
WITHOUT LIMITATION, ALL WARRANTIES OR CONDITIONS, OR MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE, ALLOF WHICH ARE HEREBY DISCLAIMED.
THERE SHALL BE NO LIABILITY FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL
DAMAGES, OR ANY OTHER DAMAGES, COSTS OR EXPENSES, EXCEPTING ONLY THE
COST OR EXPENSE OF REPLACEMENT OR REPAIR.
Use only authorized parts. Any damage or malfunction caused by the use of unauthorized
parts is not covered by Warranty. This warranty gives specific legal rights. Consumers
may have other rights under state or federal law.
Chicago Pneumatic Tool Company
1800 Overview Drive
Rock Hill, South Carolina 29730-7463
*
CP Products described in this manual may be sent to any
MILWAUKEE ELECTRIC
TOOL CORPORATION
Branch Office/Service Center or Authorized MILWAUKEE Service Station for repair. See back page for information on how to locate a facility
nearest you.
WARRANTY
Disposing of Nickel-Cadmium Battery
Packs
Nickel-Cadmium battery packs are recyclable. Under various state and local laws,
it be be illegal to dispose of this batter into
the municipal waste stream. Dispose of
your battery pack according to federal, state
and local regulations.
Repairs
For repairs, return the tool, battery pack and
charger to the nearest service center listed
on the back cover of this operator's manual.
Battery Pack Warranty
Battery packs for cordless tools are
warranted for one year from the date of
purchase.
10 11
VOUS DEVEZ LIRE ET COMPRENDRE TOUTES
LES INSTRUCTIONS
Le non-respect, même partiel, des instructions ci-après entraîne
un risque de choc électrique, d'incendie et/ou de blessures graves.
CONSERVEZ CES INSTRUCTIONS
AVERTISSEMENT!
SÉCURITÉ DES PERSONNES
1. Veillez à ce que l'aire de travail
soit propre et bien éclairée. Le
désordre et le manque de lumière
favorisent les accidents.
2. N'utilisez pas d'outils électriques
dans une atmosphère explosive,
par exemple en présence de
liquides, de gaz ou de poussières
inflammables. Les outils électriques
créent des étincelles qui pourraient
enflammer les poussières ou les
vapeurs.
3. Tenez à distance les curieux, les
enfants et les visiteurs pendant
que vous travaillez avec un outil
électrique. Ils pourraient vous
distraire et vous faire faire une fausse
manoeuvre. Installez des barrières ou
des écrans protecteurs si nécessaires.
4. Ne maltraitez pas le cordon. Ne
transportez pas l'outil par son
cordon. N'exposez pas le cordon
à la chaleur, à des huiles,
à des arêtes vives ou à
des pièces en mouvement.
Remplacez immédiatement un
cordon endommagé. Un cordon
endommagé peut constituer un risque
d'incendie.
5. Un outil à bloc-batterie amovible
ou à batterie intégrée ne doit être
rechargé qu'avec le chargeur
prévu pour la batterie. Un chargeur
qui convient à tel type de batterie peut
présenter un risque d'incendie avec
tel autre type de batterie.
6. N'utilisez un outil qu'avec un
bloc-batterie conçu spécifiquement
pour lui. L'emploi d'un autre
bloc-batterie peut créer un risque
d'incendie.
AIRE DE TRAVAIL
SÉCURITÉ ÉLECTRIQUE
7. Restez alerte, concentrez-vous
sur votre travail et faites preuve
de jugement. N'utilisez pas un
outil électrique si vous êtes
fatigué ou sous l'influence
de drogues, d'alcool ou de
médicaments. Un instant d'inattention
suffit pour entraîner des blessures
graves.
8. Habillez-vous convenablement.
Ne portez ni vêtements flottants
ni bijoux. Confinez les cheveux
longs. N'approchez jamais les
cheveux, les vêtements ou les
gants des pièces en mouvement.
Des vêtements flottants, des bijoux ou
des cheveux longs risquent d'être
happés par des pièces en mouvement.
9. Méfiez-vous d'un démarrage
accidentel. Avant d'insérer un
bloc-batterie, assurez-vous que
l'interrupteur de l'outil est sur
ARRÊT. Le fait de transporter un outil
avec le doigt sur la détente ou d'insérer
un bloc-batterie alors que l'interrupteur
est en position MARCHE peut mener
tout droit à un accident.
RÈGLES DE SÉCURITÉ GÉNÉRALES
POUR TOUS LES OUTILS À BATTERIE
ACCESSORIES
14.4 Volt Battery Packs
Fits
Chicago Pneumatic
Charger
Cat. No. 8940158629
2.4 Amp-Hours
Cat. No. 8940158630
Charger 120 Volt
For charging 9.6-18 Volt Battery Packs.
1-Hour Universal Charger
Cat. No. 8940158629
Always remove battery pack before changing
or removing accessories. Only use accessories specifically recommended for this tool.
Others may be hazardous.
WARNING!
Cat. No. 8940158629
Cat. No. 8940158630
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