Clarke CAT141 Manuale di installazione e funzionamento

OPERATING & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC0220 - rev 2

AIR IMPACT WRENCH

MODEL NO: CAT141 & 142

PART NO: 3120155 / 3120156

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

INTRODUCTION

hank you for purchasing this CLARKE Impact Wrench. The CAT141 and CAT142

are identical wrenches, the CAT142 being supplied in a moulded plastic

storage case which contains the following:

IMPORTANT

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

this product. 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. The following safety symbols are to be found on

the tool.

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.

• 1 x Mini-Oiler • 1 x Extension Bar

• 1 x Hex Key • Snap Connector fitting

• Oil Bottle • 10 Impact Sockets, (9, 10, 11, 13,

14, 17, 19, 22, 24 & 27mm sizes)

Read this instruction

booklet carefully

before use.

Wear ear protection.

Wear eye protection.

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 tool.

4. Do not operate the tool where there are flammable liquids or gases.

USE OF POWER TOOLS

1. Stay alert and use common sense - do not operate the tool when you are

tired or under the influence of alcohol, drugs or medication.

2. Always wear eye protectors when using the tool. Eye protectors must

provide protection from flying particles from the front and the side. Ear

protectors should also be worn.

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

4. Never use oxygen, CO2, combustible gases or any type of bottled gas as a

source of power for this tool.

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

6. Do not exceed the maximum pressure for the tool of 90 psi / 6.2 bar.

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

8. Do not fit the tool to any stand or clamping device that may damage it.

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

connections are secure.

10. Do not use the tool for any purpose than that described in this manual.

11. Do not carry out any alterations or modifications to the tool.

12. Always disconnect from the air supply when:

• Performing any maintenance.

• The tool is not in use.

• The tool will be left unattended.

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

• Moving to another work area.

• Passing the tool to another person.

13. Never use the tool if it is defective or operating abnormally.

14. This tool should be serviced at regular intervals by qualified personnel.

15. Avoid damaging the tool for example by applying excessive force of any

kind.

16. Always maintain the tool with care. Keep it clean for the best and safest

performance.

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

weight and could fail due to vibration.

18. Do not force or misuse the tool. It will do a better and safer job at the rate

for which it was designed.

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

20. 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.

IMPACT WRENCH SAFETY INSTRUCTIONS

1. Always use the impact wrench in the manner and for the functions

described in these instructions.

2. Always ensure the wrench is not moving and disconnected from the air

supply when changing sockets etc. Use only Impact Wrench sockets....DO

NOT use standard sockets.

3. Always finish tightening wheel nuts or engine parts with a torque wrench or

suitable spanner to the correct torque as recommended by the vehicle

manufacturer.

4. Always avoid excessive use of the impact wrench. When tightening a nut

or bolt, never allow the wrench to impact more than 8 times - to avoid over

tightening - 3 to 4 impacts is normally sufficient.

5. Always ensure that the socket is correctly installed before switching on.

6. Always only use sockets which are specified for impact wrench use.

7. Due to the possible presence of asbestos dust from brake linings, always

wear suitable respiratory protection.

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

9. Always disconnect from the air supply when changing sockets or when the

wrench is not required for immediate use in order to avoid accidental

starting.

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

10. Always store this product in a dry, secure place out of reach of children or

untrained users.

11. Always use both hands to control the impact wrench.

12. Always ensure the wrench has stopped before putting it down after use.

TRANSPORT & STORAGE

1. Never carry the tool by the air hose.

2. Never carry the tool with your finger on the trigger.

3. When not in use the tool must be disconnected from the air supply and

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

cabinet).

4. Avoid storing the tool where the temperature is below 0oC.

Please keep these instructions in a safe place for future reference.

OVERVIEW

NO DESCRIPTION NO DESCRIPTION

1 Square Drive 3 Direction/Speed Control

2 Trigger 4 Airline Inlet

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

COMPRESSED AIR REQUIREMENTS

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

• Air compressors used with the tool 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 tool. 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 air hose must be rated at least 150% of the maximum operating

pressure of the tool.

• 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. clarke airline oil should

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

• For optimum performance it is recommended that a 3/8” ID hose is

used.

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

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

at the tool when running. Higher pressures and dirty air will shorten

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

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

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.

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 airline connector 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. Turn on the air supply and check

for air leaks. Rectify any found before proceeding.

• PTFE tape may be useful for sealing threaded connections.

Your air tool 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

OPERATION

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

Reverse knob/power regulator in the direction shown by the arrow on the

back of the wrench.

1. For normal tightening, the wrench

should be operated in the forward

(F) direction at position 1, 2 or 3.

2. For loosening, the wrench should

be operated in the reverse (R)

direction.

FITTING THE IMPACT SOCKET

1. Select the impact socket you

require, which must be in good

condition and fit the tool exactly.

2. Push the socket onto the square

drive shaft 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

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 tool to

one of the 3 settings available.

(Setting 1-Low, 3 -High)

• These numbers are only for

reference and do not denote a

specific amount of power.

For maximum power when removing

stubborn nuts, turn the impact wrench

to its highest setting.

DISCONNECTING THE AIR SUPPLY

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

down and the compressed air released.

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

and vent the compressed air.

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

the air tool.

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

MAINTENANCE

DAILY

1. Before use, drain water from the airline filter and compressor.

2. Pour a few drops of Clarke air-line oil, into the tool 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, or at the start of the working day.

3. Keep the body of the tool clean and free from debris.

WEEKLY

• Check the air inlet screen filter

for blockage and clean out if

necessary.

CLEANING

1. Grit or gum deposits in the tool

may reduce efficiency and cause

the tool to run erratically. This

condition can be corrected by

cleaning the air strainer and

flushing out the tool with gum

solvent oil.

2. Failing this, the tool should be disassembled, thoroughly cleaned, dried

and reassembled.

3. The tool may be dismantled by removing the rear cover using the hex key

supplied prior to replacing any worn or damaged parts. You may prefer to

take the tool to your Clarke dealer if internal maintenance is required.

4. While is a dismantled state, it may be desirable to grease the hammer

mechanism and applying a small amount of good quality bearing grease.

• This may be better left to your Clarke dealer.

• A hex key is provided for removing the end cover from the wrench.

WARNING: MAKE SURE THAT THE AIR TOOL IS DISCONNECTED FROM THE

AIR SUPPLY BEFORE STARTING ANY CLEANING, OR MAINTENANCE

PROCEDURES.

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