Clarke CEW520 Instruction Manual

OPERATION & MAINTENANCE
INSTRUCTIONS
LS0519 - ISS 1
ORIGINAL INSTRUCTIONS
ELECTRIC IMPACT WRENCH
MODEL NO: CEW520
PART NO: 6480280

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
INTRODUCTION
Thank you for selecting this Clarke impact wrench.
The impact wrench is intended for tightening and loosening nuts, and is
equipped with a rotary impact mechanism.
IMPORTANT
Read all instructions carefully before you use this impact wrench. Pay attention
to all sections of this user guide that display warning symbols and notices.
GUARANTEE
The impact wrench is guaranteed against faulty manufacture for a period of
12 months from the date of purchase. Your receipt is required as proof of
purchase.
This guarantee is invalid if the impact wrench is found to have been abused,
tampered with, or not used for the purpose for which it was intended.
Faulty goods must be returned to their place of purchase, it must not be
returned to us without prior permission.
This guarantee does not effect your statutory rights.
WARNING: THIS SYMBOL IS USED THROUGHOUT THE USER GUIDE
WHEN THERE IS A RISK OF PERSONAL INJURY. MAKE SURE THAT THESE
WARNINGS ARE READ AND UNDERSTOOD AT ALL TIMES.
CAUTION: THIS SYMBOL IS USED THROUGHOUT THE USER GUIDE
WHEN THERE IS A RISK OF DAMAGING YOUR IMPACT WRENCH.
MAKE SURE THAT THESE CAUTIONS ARE READ AND UNDERSTOOD AT
ALL TIMES.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
GENERAL POWER TOOL SAFETY WARNINGS
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-operated impact
wrench.
WORK AREA SAFETY
1. Keep work area clean and well lit. Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive 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 children and bystanders away while operating a power tool.
Distractions can cause you to lose control.
ELECTRICAL SAFETY
1. Power tool plugs must match the outlet. Never modify the plug in any way.
Do not use any adapter plugs with earthed (grounded) power tools.
Unmodified plugs and matching outlets will reduce risk of electric shock.
2. Avoid body contact with earthed or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There is an increased risk of electric
shock if your body is earthed or grounded.
3. Do not expose power tools to rain or wet conditions. Water entering a
power tool will increase the risk of electric shock.
4. Do not abuse the cord. Never use the cord for carrying, pulling or
unplugging the power tool. Keep cord away from heat, oil, sharp edges or
moving parts. Damaged or entangled cords increase the risk of electric
shock.
5. When operating a power tool outdoors, use an extension cord suitable for
outdoor use. Use of a cord suitable for outdoor use reduces the risk of
electric shock.
6. If operating a power tool in a damp location is unavoidable, use a residual
current device (RCD) protected supply. Use of an RCD reduces the risk of
electric shock.
WARNING: READ ALL SAFETY WARNINGS AND ALL INSTRUCTIONS.
FAILURE TO FOLLOW THE WARNINGS AND INSTRUCTIONS MAY RESULT IN
ELECTRIC SHOCK, FIRE AND/OR SERIOUS INJURY.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
PERSONAL SAFETY
1. Stay alert, watch what you are doing and use common sense when
operating a power tool. Do not use a power tool while you are tired or
under the influence of drugs, alcohol or medication. A moment of
inattention while operating power tools may result in serious personal injury.
2. Use personal protective equipment. Always wear eye and ear protection.
Protective equipment such as dust mask, non-skid safety shoes, hard hat,
or hearing protection used for appropriate conditions will reduce personal
injuries.
3. Prevent unintentional starting. Ensure the switch is in the off position before
connecting to power source, picking up or carrying the tool. Carrying
power tools with your finger on the switch or energising power tools that
have the switch on invites accidents.
4. Remove any adjusting key or wrench before turning the power tool on. A
wrench or a key left attached to a rotating part of the power tool may
result in personal injury.
5. Do not overreach. Keep proper footing and balance at all times. This
enables better control of the power tool in unexpected situations.
6. Dress properly. Do not wear loose clothing or jewellery. Keep your hair,
clothing and gloves away from moving parts. Loose clothes, jewellery or
long hair can be caught in moving parts.
7. If devices are provided for the connection of dust extraction and collection
facilities, ensure these are connected and properly used. Use of dust
collection can reduce dust-related hazards.
8. Hold power tool by insulated gripping surfaces, when performing an
operation where the fastener may contact hidden wiring or its own cord.
Fasteners contacting a "Live" wire may make exposed metal parts of the
power tool “Live” and could give the operator an electric shock.
POWER TOOL USE AND CARE
1. Do not force the power tool. Use the correct power tool for your
application. The correct power tool will do the job better and safer at the
rate for which it was designed.
2. Do not use the power tool if the switch does not turn it on and off. Any
power tool that cannot be controlled with the switch is dangerous and
must be repaired.
3. Disconnect the plug from the power source and/or the battery pack from
the power tool before making any adjustments, changing accessories, or
storing power tools. Such preventive safety measures reduce the risk of
starting the power tool accidentally.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
4. Store idle power tools out of the reach of children and do not allow persons
unfamiliar with the power tool or these instructions to operate the power
tool. Power tools are dangerous in the hands of untrained users.
5. Maintain power tools. Check for misalignment or binding of moving parts,
breakage of parts and any other condition that may affect the power tool's
operation. If damaged, have the power tool repaired before use. Many
accidents are caused by poorly maintained power tools.
6. Keep cutting tools sharp and clean. Properly maintained cutting tools with
sharp cutting edges are less likely to bind and are easier to control.
7. Use the power tool, accessories and tool bits etc. in accordance with these
instructions, taking into account the working conditions and the work to be
performed. Use of the power tool for operations different from those
intended could result in a hazardous situation.
SERVICE
1. Have your power tool serviced by a qualified repair person using only
identical replacement parts. This will ensure that the safety of the power
tool is maintained.
SAFETY SYMBOLS
Read instruction
manual before
use
Wear protective
gloves
Wear safety
glasses
Wear ear defenders

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
ELECTRICAL CONNECTIONS
This impact wrench is provided with a standard 13 amp, 230 volt (50Hz), BS
1363 plug, for connection to a standard, domestic electrical supply. Should
the plug need changing, make sure that a plug of identical specification is
used.
If the colours of the wires in the power cable do not correspond with the
markings on the terminals of your plug, proceed as follows.
• Connect the blue wire
to the terminal which
is marked N.
• Connect the brown
wire to the terminal
which is marked L.
We recommend that this machine is connected to the mains supply via a
Residual Current Device (RCD)
If in doubt, consult a qualified electrician. DO NOT attempt any repairs yourself
This symbol indicates that this is a Class II product, and does not
require an earth connection.
CABLE EXTENSION
Always use an approved cable extension suitable for the power rating of this
tool (see specifications), the conductor size should also be at least the same
size as that on the machine, or larger. When using a cable reel, always unwind
the cable completely.
WARNING: READ THESE ELECTRICAL SAFETY INSTRUCTIONS FULLY
BEFORE CONNECTING THE IMPACT WRENCH TO THE MAINS SUPPLY.
WARNING: THE WIRES IN THE CABLE ARE COLOURED AS FOLLOWS:
BLUE = NEUTRAL BROWN = LIVE
Plug must be BS1363/A approved.
Always fit
make sure that the outer sheath of
Neutral
(Blue)
Live
(Brown)
a 13 Amp
the cable is firmly held by the clamp
fuse.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
OVERVIEW
ONLY SPECIAL SOCKETS THAT ARE DESIGNED FOR IMPACT TOOLS
SHOULD BE USED WITH THIS IMPACT WRENCH.
STANDARD SOCKETS MAY SHATTER.
1 1/2” Square Drive 5 Mains Cable
2 Body 6 Direction Switch
3 Trigger 7 Sockets (17, 19, 21 & 22 mm)
4Case

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
OPERATING INSTRUCTIONS
ATTACH / REMOVE A SOCKET
1. Place the applicable socket on
the square drive of the impact
wrench.
2. To remove a socket, pull it off of
the square drive.
FORWARD/REVERSE DIRECTION
The forward/reverse switch is used to
select the direction of rotation.
1. Use the forward/reverse switch to
select the direction of rotation.
WARNING: ALWAYS MAKE SURE THAT THE IMPACT WRENCH IS
DISCONNECTED FROM THE POWER SUPPLY BEFORE CHANGING THE
SOCKET.
CAUTION: MAKE SURE THAT THE CORRECT SOCKET IS BEING USED. AN
INCORRECT SOCKET IS LIKELY TO DAMAGE THE HEADS OF THE BOLTS OR
NUTS.
WARNING: WHEN CHANGING DIRECTION ALWAYS MAKE SURE THAT THE
IMPACT WRENCH HAS STOPPED BEFORE SWITCHING TO THE OTHER
DIRECTION.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
LOOSENING A NUT
1. Place the socket over the nut or
bolt head and squeeze the
trigger.
• The nut/bolt will be hit again
and again until it is loosened.
IMPORTANT: Release the trigger when
the nut starts to loosen.
TIGHTENING A NUT
1. Start the nut or bolt by hand to
make sure that it is not cross
threaded.
2. Place the socket over the nut or
bolt head and squeeze the
trigger.
3. ALWAYS finish tightening with a
torque wrench or suitable
spanner.
MAINTENANCE AND SERVICING
STORAGE
1. Make sure that the impact wrench is stored in the supplied case in a clean,
dry place, out of reach of children when not in use.
CLEANING
1. Make sure that all air vents are clear, (wearing eye protection, use
compressed air to clean the impact wrench if possible.
2. Do not use solvents to clean plastic parts, most plastics are damaged by
solvents.
GENERAL MAINTENANCE
1. Refer to your CLARKE dealer if internal maintenance is necessary.
2. Make sure that the power cable is free from cracks, bare wires etc.
3. If it is necessary to replace the power cable, this must be done by the
manufacturer.

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
ENVIRONMENTAL PROTECTION
Through purchase of this tool, the customer is taking on the obligation
to deal with the WEEE in accordance with the WEEE regulations in
relation to the treatment, recycling & recovery and environmentally
sound disposal of the WEEE.
In effect, this means that this tool must not be discarded with general waste.
Refer to the laws governing Waste Electrical and Electronic Equipment (WEEE)
at a recognised disposal facility.
SPECIFICATIONS
Model CEW520
Voltage 230v / 50 Hz
Rated Input Power 520 W
Max Torque 100 Nm (Forward) - 320 Nm (Reverse)
Spindle Size 1/2”
Impacts Per Minute 4200
Sockets Supplied 17 mm, 19 mm, 21 mm, 22 mm
Weight 2.4 kg
Dimensions 270 x 60 x 220 mm
Sound Pressure 99.04 dB LpA
Sound Power 110 dB LWA
Vibration 15.32 m/s2
Uncertainty Factor (K) 1.5m/s2

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Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
DECLARATION OF CONFORMITY