Clarke CAT21B Manuale di installazione e funzionamento

OPERATING & MAINTENANCE

INSTRUCTIONS

GC05/14

AIR RATCHET WRENCH

MODEL NO: CAT21B & CAT90

PART NO: 3110400 & 3110846

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

INTRODUCTION

Thank you for purchasing this CLARKE Air-Powered Ratchet 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. The following safety symbols are to be found on the machine.

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.

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

connections are secure.

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

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

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

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 service

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.

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.

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

OVERVIEW

The CAT21B and CAT90 ratchet wrenches are ideally suited to quick removal

and installation of nuts, bolts, and other fasteners where space is limited.

NO DESCRIPTION NO DESCRIPTION

1 Forward/Reverse Switch 3 Trigger

2 Square Drive Shaft 4 Air 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 minimum 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 A COMPRESSED AIR SUPPLY.

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

BEFORE USE

CONNECTING THE AIRLINE

NOTE: Ensure the air supply 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 air tool. Read the

instructions supplied with the mini-oiler before use.

2. If a mini-oiler is not being used, insert a few drops of oil into the tool through

the air inlet before use.

3. Connect a suitable hose as shown.

4. Connect the other end of the hose

to the compressed air supply.

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).

ACCESSORIES

A wide range of accessories is available including filter/regulators, lubricators,

high-pressure hoses (5 to 50 metres) etc.

• Contact your Clarke dealer or the Clarke International Service

Department for further information.

WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU

ARE FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF AIR

COMPRESSORS AND A COMPRESSED AIR SUPPLY.

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

OPERATION

USING THE DIRECTION CONTROL

To select the direction of rotation turn

the direction control as follows.

• For tightening, turn the direction

control anti-clockwise to F

(Forward).

• For loosening, turn the direction

control clockwise to R (Reverse).

USING THE AIR RATCHET

1. Select the socket you require.

• Push the socket onto the square

drive shaft. It clicks into place

when secure.

2. Place the socket over the nut.

• Take care that the socket is

firmly engaged.

3. Squeeze the trigger against the

body of the tool to start.

4. Release the trigger to stop the tool.

5. Always ensure the tool has stopped before putting it down.

6. When releasing very tight fastenings initially break loose by hand. Squeeze

the trigger and the air tool will complete the job.

7. If necessary, use penetrating oil to assist in freeing off rusted fasteners.

8. When assembling, start turning fasteners by hand, then set the rotation

forward or reverse. Apply the tool gently and squeeze the trigger to tighten

with power.

9. Final tightening should be completed by hand.

WARNING: ALWAYS WAIT UNTIL THE DRIVE SHAFT HAS STOPPED ROTATING

BEFORE OPERATING THE DIRECTION CONTROL.

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

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.

TROUBLESHOOTING

SYMPTOM PROBLEM SOLUTION

Tool runs at normal

speed but slows down

under any load.

1. Motor parts worn.

2. Worn or sticking

mechanism due to

lack of lubricant.

1. Return to Clarke dealer

for repair.

2. Drip air tool lubricating

oil into air inlet. Allow oil

to soak moving parts

before using.

Tool runs slowly. Air flows

weakly from exhaust.

1. Motor parts jammed

with gum/dirt.

2. Air-line regulator in

closed position.

3. General airflow

blocked by dirt.

1. Examine inlet air filter for

blockage. Drip a few

drops of air tool lubricat-

ing oil into air inlet.

2. Adjust in-line regulator to

open position.

3. Operate tool in short

bursts.

Tool will not run. Air flows

freely from exhaust.

1. Motor vanes stuck

due to buildup of

foreign material.

1. Disconnect air supply

and rotate tool assembly

manually.

2. Try operating tool in

short bursts.

3. Tap motor housing gently

with a rubber mallet.

4. Drip a few drops of air

tool lubricating oil into air

inlet to soak moving

parts.

Tool will not shut off. 1. O-rings damaged

or ill-fitting in seat.

1. Return to Clarke dealer

for repair.

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

MAINTENANCE

DAILY

1. Before use, drain water from the compressed air supply.

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.

WEEKLY

1. Check the air inlet screen filter for

blockage and clean if necessary.

CLEANING

1. Keep the body of the tool clean

and free from debris.

2. Grit or gum deposits in the tool

may also reduce efficiency. This

condition can be corrected by

cleaning the air strainer and

flushing out the tool with gum solvent oil, or failing this, the tool should be

disassembled, thoroughly cleaned, dried and reassembled. This is better

left to your Clarke dealer.

3. After extensive use, remove the inlet screen filter and flush out the

mechanism with gum solvent oil or an equal mixture of Clarke air-line oil

and paraffin. Allow to dry before use.

4. Clean the air inlet filter screen inside the air inlet.

5. If the tool runs erratically or becomes inefficient, and the air supply is of

good quality, it may be necessary to dismantle the air motor and replace

worn or damaged parts. You may prefer to take the tool to your Clarke

dealer if internal maintenance is required.

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

COMPRESSED AIR SUPPLY BEFORE STARTING ANY CLEANING, OR

MAINTENANCE PROCEDURES.

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