Clarke CAT78 Manuel d'installation et d'exploitation

OPERATING & MAINTENANCE

INSTRUCTIONS

GC0813

IMPACT WRENCH

MODEL NO: CAT78

PART NO: 3110790

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INTRODUCTION

Thank you for purchasing this CLARKE Impact Wrench.

Before attempting to use this product, please read this manual thoroughly and

follow the instructions carefully. In doing so you will ensure the safety of yourself

and that of others around you, and you can look forward to your purchase

giving you long and satisfactory service.

IMPORTANT

Please read all of the safety and operating instructions carefully before using

this product. Please pay particular attention to all sections of these instructions

that display warning symbols and notices.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12

months from the date of purchase. Please keep your receipt which will be

required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or

tampered with in any way, or not used for the purpose for which it was

intended.

Faulty goods should be returned to their place of purchase, no product can

be returned to us without prior permission. This guarantee does not effect your

statutory rights.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

GENERAL SAFETY RULES

WORK ENVIRONMENT

1. Keep the work area clean and tidy.

2. Dress appropriately - Do not wear loose clothing or jewellery. Tie long hair

out of the way.

3. Keep children and visitors away - Do not let children handle the impact

wrench.

4. Do not operate the impact wrench where there are flammable liquids or

gases.

5. Keep the air supply hose away from heat, oil and sharp edges.

6. Do not fit the impact wrench to any stand or clamping device that may

damage the wrench.

USE

1. Stay alert and use common sense - do not operate the impact wrench

when you are tired or under the influence of alcohol, drugs or medication.

2. Always wear eye protectors when using the impact wrench - eye

protectors must provide protection from flying particles from the front and

the side.

3. Always wear ear protectors when using the impact wrench.

4. Do not overreach - Keep proper footing and balance at all times.

5. Never use any type of bottled gas as a source of power for the impact

wrench.

6. Do not connect the air supply hose with your finger on the trigger of the

impact wrench.

7. Do not exceed the maximum pressure for the impact wrench: 90 psi / 6.2

bar.

8. Check hoses for leaks or worn condition before use, and ensure that all

connections are secure.

9. Do not use the impact wrench for any other purpose than that described

in this manual.

CAUTION: FAILURE TO FOLLOW THESE PRECAUTIONS COULD RESULT IN

PERSONAL INJURY, AND/OR DAMAGE TO PROPERTY.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

10. Do not carry out any alterations or modifications to the impact wrench.

11. Always disconnect from the air supply when:

• Performing any maintenance

• The impact wrench is not in use.

• The impact wrench will be left unattended.

• Moving to another work area.

• Passing the impact wrench to another person.

12. Never use the impact wrench if it is defective or operating abnormally.

13. The impact wrench should be serviced at regular intervals by qualified

service personnel.

14. Avoid damaging the impact wrench for example by applying excessive

force of any kind.

15. ALWAYS maintain the tool with care. Keep it clean for the best and safest

performance.

16. Quick change couplings should not be located at the tool. They add

weight and could fail due to vibration.

17. DO NOT force or misuse the tool. It will do a better and safer job at the rate

for which it was designed.

18. Do not remove any labels. Damaged labels should be replaced.

19. This tool vibrates with use. Vibration may be harmful to your hands or arms.

Stop using the tool if discomfort, a tingling feeling or pain occurs. Seek

medical advice before resuming use.

20. NEVER use standard sockets. These may shatter with serious consequences.

Use ONLY impact sockets.

TRANSPORTATION

1. Never carry the impact wrench by the air supply hose.

2. Never carry the impact wrench with your finger on the trigger.

STORAGE

1. When not in use the impact wrench must be disconnected from the air

supply and stored in a dry place out of the reach of children (preferably in

a locked cabinet).

2. Avoid storing the impact wrench in environments where the temperature is

below 0oC.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

OVERVIEW

NO DESCRIPTION NO DESCRIPTION

1 Anvil 4 Speed Control Regulator

2 Forward/Reverse Valve 5 1/4” BSP (Female Air Inlet)

3Trigger

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

THE COMPRESSED AIR SUPPLY

AIR SUPPLY REQUIREMENTS

• Use only clean, dry, regulated compressed air as a power source.

• Air compressors used with the impact wrench must comply with the

appropriate European Community Safety Directives.

• A build-up of moisture or oil in the air compressor will accelerate

wear and corrosion in the impact wrench. ensure any moisture is

drained from the compressor daily and the inlet filter is kept clean.

• If an unusually long air hose is required, (over 8 metres), the line

pressure or the hose inside diameter may need to be increased. The

minimum hose diameter should be 5/16”(8mm) ID and fittings should

have the same internal dimensions.

• Never exceed the maximum operating pressure for the wrench. It is

recommended that air pressure to this tool does not exceed 90 psi

at the tool when running. Higher pressures and unclean air will

shorten the life of the tool due to faster wear and is a possible safety

hazard.

• The air hose must be rated at least 150% of the maximum operating

pressure of the tool.

WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU

ARE FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF

COMPRESSORS AND COMPRESSED AIR SUPPLY.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

• A typical air line layout is shown above. If an automatic in-line filter/

regulator is used, it will keep the tool in good condition, but should

be regularly checked and topped up with oil. SAE 10 oil should be

used, and the lubricator adjusted to approx 2 drops per minute.

BEFORE USE

NOTE: Ensure the compressor is turned off.

1. If required, connect an in-line mini

oiler to the tool.

• A mini oiler helps to prolong the

life of the impact wrench.

Remove the oil fill screw from

the side of the mini oiler and fill

with Air-line Oil available from

your CLARKE dealer. Replace

the screw before using the

wrench.

2. If a mini-oiler is not being used, run

a few drops of oil through the tool

before use. It can be entered

through the inlet strainer or via the

hose at the nearest connection to

the air supply.

3. Connect a suitable hose as shown.

4. Connect the other end of the hose

to the compressor.

5. Your impact wrench is now ready

for use.

You can fit a whip hose with a quick fit coupling if required (available from

your Clarke dealer.)

WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU

ARE FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF AIR

COMPRESSORS AND COMPRESSED AIR SUPPLY.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

USING THE FORWARD/REVERSE BUTTON

Forward/Reverse rotation is selected by pushing the Forward/Reverse control

forward or backward as required.

1. For normal tightening, the wrench

should be operated in the forward

direction.

2. For loosening, the wrench should

be operated in the reverse

direction.

FITTING THE IMPACT SOCKET

1. Select the impact socket you

require, which must be in good

condition and fit the tool exactly.

Push the socket onto the anvil as

shown.

WARNING: WAIT UNTIL THE ANVIL HAS STOPPED ROTATING BEFORE

OPERATING THE FORWARD/REVERSE BUTTON.

WARNING: NEVER USE STANDARD SOCKETS. THESE MAY SHATTER WITH

SERIOUS CONSEQUENCES. ONLY USE IMPACT SOCKETS DESIGNED FOR

USE WITH IMPACT TOOLS.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

OPERATION

OPERATING THE IMPACT WRENCH

1. Locate the socket over the nut to

be tightened or loosened.

2. Squeeze the trigger to start the

wrench.

3. Release the trigger switch to stop

the wrench.

• The anvil will continue to rotate

very briefly after the trigger has

been released.

ADJUSTING THE POWER

1. To adjust the power, set the air

regulator to one of the 5 settings

available.(Setting 1-Low, 5 -High)

If you start by turning the regulator to

its lowest setting and applying the

wrench to a nut of known tightness (or

torque setting), you can then

gradually turn the regulator until the

nut or bolt moves very slightly in the

direction in which it was set. The

wrench is now set to replicate that tightness. Note the setting for future use.

When critical torque values are not required, tighten the nut or bolt until

secure, then turn a further quarter to a half turn, assuming no gaskets are

being used between surfaces. For additional power on disassembly work, turn

the regulator to its highest setting.

DISCONNECTING THE AIR SUPPLY

Do not disconnect the air supply hose until the compressor has been shut

down and the compressed air released.

1. Refer to the compressor instruction manual for the procedure to shut down

and release the compressed air.

2. Once the pressure has been released, disconnect the air supply hose from

the impact wrench.

Store the wrench safely in its box in a dry, secure environment.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

MAINTENANCE

DAILY

• Before use, drain water from the air tank, air line and compressor.

• Pour a few drops of CLARKE airline oil, into the air inlet. This should be

carried out regardless of whether or not an in-line mini oiler is used. If

an in-line mini oiler is not used, this procedure should be repeated

after every two to three hours of use.

WEEKLY

• Check the air inlet screen filter

for blockage and clean if

necessary.

• Oil can be added directly into

the internal working parts by

way of the oil port located on

the right hand side of the tool

body.

CLEANING

• Keep the body of the impact wrench clean and free from debris.

Grit or gum deposits in the tool may reduce efficiency.

SERVICE AND REPAIR

If the tool runs erratically or becomes inefficient although the air supply is in

good order, it may be necessary to dismantle the air motor and impacting

clutch and replace any worn or damaged parts. Such servicing and repair

work should be carried out by qualified service technicians.

PERFORMANCE

Please note that factors other than the tool may effect its operation and

efficiency such as reduced compressor output, excessive drain on the airline

moisture or restrictions in the air-line, or the use of connectors of improper size

or poor condition which will reduce air supply.

WARNING: MAKE SURE THAT THE IMPACT WRENCH IS DISCONNECTED

FROM THE AIR SUPPLY BEFORE STARTING ANY CLEANING, OR

MAINTENANCE PROCEDURES.

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