Clarke CAT103 Mode d’emploi

1/2”HEAVY DUTY IMPACT WRENCH

MODEL No: CAT103

Part No: 3110859

OPERATION & MAINTENANCE

INSTRUCTIONS

0707

Thank you for purchasing this CLARKE Heavy Duty Impact Wrench, designed for heavy

automotive and industrial use, and incorporating adjustable power settings, forward and

reverse action and a twin hammer impact mechanism.

Before using the wrench, please read this leaflet 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 it giving long and satisfactory service.

SPECIFICATIONS

Drive Size ............................................................1/2” Square

Max Torque ........................................................400 ft/lb (542 Nm)

Air Inlet ................................................................1/4” BSP

Ave. Air Consumption ......................................4 cfm

Air Pressure Max ................................................6.2 bar (90psi)

Noise Level .........................................................91 dB A

Vibration Level ..................................................1.2m/s2

Net Weight .........................................................2.78 kg

Dimensions LxWxH.............................................245 x 73 x 186

Part No................................................................3110859

Please note that the details and specifications contained herein, are correct at the time of going to

print. However CLARKE International reserve the right to change specifications at any time without prior

notice. Always consult the machine’s data plate

GUARANTEE

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

from the date of purchase. Please keep your receipt 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.

IN THE BOX

1 X 1/2” Heavy duty impact wrench with 2” anvil

1 X Instruction book

SAFETY PRECAUTIONS

IMPORTANT

FAILURE TO FOLLOW THESE PRECAUTIONS COULD RESULT IN PERSONAL INJURY,

AND/OR DAMAGE TO PROPERTY.

WORK ENVIRONMENT

• Keep the work area clean and tidy.

• Dress appropriately - Do not wear loose clothing or jewellery. Tie long hair out of

the way.

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

Make sure that any other persons in the work area are dressed suitably and are

wearing eye and ear protectors.

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

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

• Do not fit the impact wrench to any stand or clamping device that may damage

the tool.

USE

• 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.

• Always wear eye protectors when using the impact wrench - Eye protectors must

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

• Always wear ear protectors when using the impact wrench.

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

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

• Do not connect the air supply hose with your finger on the trigger of the impact

wrench.

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

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

connections are secure.

• Do not use the impact wrench for any other purpose than that described in this

book.

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

SAFETY PRECAUTIONS

• Always disconnect from the air supply when:

a) Performing any maintenance

b) The impact wrench is not in use.

c) The impact wrench will be left unattended.

d) Moving to another work area.

e) Passing the impact wrench to another person.

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

• The impact wrench should be serviced at regular intervals by qualified service

personnel.

• Avoid damaging the impact wrench for example by applying excessive force of

any kind.

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

performance.

• Quick change couplings should not be located at the tool. They add weight and

could fail due to vibration.

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

which it was designed.

• DO NOT remove any labels. Damaged labels should be replaced.

• 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.

• NEVER use standard sockets. These may shatter with serious consequences. Use

ONLY Impact sockets.

TRANSPORTATION

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

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

STORAGE

• 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).

• Avoid storing the impact wrench in environments where the temperature is below

0oC.

PARTS

Trigger

Direction

Selector +

Air Regulator

Anvil

AIR SUPPLY

WARNING!

COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU ARE THOROUGHLY

FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF COMPRESSORS AND

COMPRESSED AIR SUPPLY.

• Use only clean, dry, regulated compressed air as a power source for the impact

wrench.

• 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.

• Never exceed the maximum operating pressure for the impact wrench.

AIR HOSE

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

the tool.

Air Inlet

RECOMMENDED AIR SUPPLY CONNECTION

ASSEMBLY

NOTE:

ensure the compressor is turned off.

1. Connect a suitable hose to the impact

wrench using a ¼” hose adapter.

2. Connect the other end of the hose to the

compressor.

3. 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 THOROUGHLY

FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF COMPRESSORS AND

COMPRESSED AIR SUPPLY.

OPERATING INSTRUCTIONS

WARNING!

WAIT UNTIL THE ANVIL HAS STOPPED ROTATING BEFORE OPERATING THE

DIRECTION CONTROL SWITCH.

USING THE DIRECTIONAL CONTROL BUTTON

The direction control button should be used as follows.

1 For normal tightening, the impact wrench should be operated in the forward (F)

direction.

2 For loosening, the impact wrench should be operated in the reverse (R) direction.

Direction control button in

forward position Direction control button in

reverse position

FITTING THE IMPACT SOCKET

1 Select the impact socket you require

WARNING!

NEVER use standard sockets. These may

shatter with serious consequences. Use

ONLY Impact sockets.

2 Push the inpact socket onto the anvil

as shown.

OPERATING INSTRUCTIONS

ADJUSTING THE POWER

To adjust the power, set the air

regulator to one of the 5 settings

avalaible.

1 3300 rpm

2 6070 rpm

3 7216 rpm

4 7740 rpm

5 8000 rpm

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 book for the procedures to shut down and

release the compressed air.

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

impact wrench.

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

Squeeze

OPERATING THE IMPACT WRENCH

1. Locate the socket over

the nut to be tightened

or loosened.

2. Squeeze the trigger to

start the impact wrench.

3. Release the trigger to

stop the impact wrench.

Air Regulator

MAINTENANCE

WARNING! Make sure that the impact wrench is disconnected from the air supply before

starting any cleaning, or maintenance procedures.

Daily

• Drain water from air tank, air line and compressor.

• Pour a few drops of CLARKE Air Line Oil, into the air inlet. This should be carried out

regardless of whether or not an air line lubricator is used. If an Air line lubricator is not

used, this procedure should be repeated after every two to three hours of use.

Weekly

• Check the air inlet screen filter and clean if necessary.

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

• All servicing and repair must be carried out by qualified service technicians.

NOTES

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 line, or the use of connectors of improper size or poor condition which will reduce air

supply.

**Clarke Air Line Oil is available from your CLARKE dealer part no. 3050825.

We declare that these products comply to the following standards/directives

• 98/37/EC

Model No: CAT103

Serial or Batch number: See product data plate

signature:

D. Kemp

ENGINEERING MANAGER

DECLARATION OF CONFORMITY

PARTS DIAGRAM

PARTS LIST

Index Part Description

No. No.

01 KLCAT10301 Motor Housing

02 KLCAT10302 Throttle Valve

03 KLCAT10303 Throttle Valve Face

04 KLCAT10304 Throttle Valve Spring

05 KLCAT10305 Throttle Valve Stem

06 KLCAT10306 Air Strainer Assembly

08 KLCAT10307 Trigger

09 KLCAT10308 Trigger Pin

10 KLCAT10309 Reverse Valve Bushing

11 KLCAT10310 Reverse Valve Bushing

Seal

12 KLCAT10311 Reverse Valve

13 KLCAT10312 Reverse Valve Detent

Ball

14 KLCAT10313 Reverse Valve Detent

Spring

15 KLCAT10314 Reverse Valve Knob

16 KLCAT10315 Reverse Valve Knob

Screw

17 KLCAT10316 Grease Fitting

22 KLCAT10317 Rotor

23 KLCAT10318 Rear Rotor Bearing

24 KLCAT10319 Front Rotor Bearing

25 KLCAT10320 Rear Rotor Bearing

Retainer

26 KLCAT10321 Cylinder

27 KLCAT10322 Cylinder Dowel

29 KLCAT10323 Rotor Blade

30 KLCAT10324 Front End Plate

31 KLCAT10325 Rear End Plate

32 KLCAT10326 End Plate Gasket

33 KLCAT10327 Motor Clamp Washer

34 KLCAT10328 Hammer Frame

35 KLCAT10329 Hammer Pin

36 KLCAT10330 Hammer Frame Rear

Washer

37 KLCAT10331 Hammer

38 KLCAT10332 Hammer Case

38A KLCAT10333 Hammer Case Pilot

39 KLCAT10334 Hammer Case Gasket

40 KLCAT10335 Hammer Case Bushing

41 KLCAT10336 Hammer Case Cap

Screw

43A KLCAT10337 Standard Anvil

43B KLCAT10338 853-2 2"Extended Anvil

44 KLCAT10339 Socket Retainer

45 KLCAT10340 Retainer O-Ring

Index Part Description

No. No.

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