Clarke CAT179 Installations- und Betriebshandbuch

OPERATING & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC0120 - ISS1

1/2”STUBBY AIR IMPACT WRENCH

MODEL NO: CAT179

PART NO: 3120196

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.

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

SPECIFICATION

Part number 3120196

Dimensions (L x W x H) 118 x 177 x 60 mm

Weight 1.45 kg

Drive size 1/2” square

Min. Hose Size (ID) 8 mm (5/16”)

Air Inlet Size 1/4“BSP Female

Operating Pressure 90 psi (6.2 bar)

Air Consumption 5 cfm (142 l/m) average

Speed /Torque Settings 8500 rpm max free speed

Forward 1 3000 rpm / 200 Nm

Forward 2 3000-7000 rpm / 540 Nm

Forward 3 7000-8500 rpm / 610 Nm

Reverse 8500 rpm / 1000 Nm

Sound Pressure Level (LpA dB) 94.6 dB(A)

Sound Power Level (LwA dB) 105.6 dB(A)

Vibration Level in handle 5.99 m/s2(Uncertainty K = 1.1m/s2)

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

GENERAL SAFETY RULES

WORK ENVIRONMENT

1. ALWAYS keep the work area clean and tidy.

2. ALWAYS dress appropriately - Do not wear loose clothing or jewellery. Tie

long hair out of the way.

3. ALWAYS keep children and bystanders away - Do not let children handle

the air tool.

4. DO NOT operate the air tool where there are flammable liquids or gases.

USE OF COMPRESSED AIR POWERED TOOLS

1. ALWAYS stay alert and use common sense - Do not operate the wrench

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

2. ALWAYS wear eye protectors when using this tool - Eye protection must

provide protection from flying particles/objects 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 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. NEVER exceed the maximum pressure for the wrench 90 psi / 6.2 bar.

7. Check air 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 this 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.

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

14. DO NOT damage the tool by applying excessive force.

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. 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 as 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, only allow the wrench to impact briefly to avoid overtightening.

5. ALWAYS ensure that the socket is correctly installed before starting.

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

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

always wear suitable respiratory protection.

8. ALWAYS disconnect from the air supply when changing sockets or when

the impact wrench is not required for immediate use to avoid accidental

starting.

9. NEVER carry the impact wrench by the air hose.

10. ALWAYS use both hands to control the impact wrench.

11. ALWAYS ensure the impact wrench has stopped before putting it down.

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

SAFETY SYMBOLS

The above safety symbols are displayed on the body of the impact wrench.

PRODUCT OVERVIEW

Read the instruction

manual

Wear eye protection

Wear ear protection

1½”Square Drive shaft 5 Airline Inlet

2 Trigger 6 Direction/Speed Control

3 Inlet adaptor 7 Hanging support

4 Air exhaust

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 this air 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 air 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 airline 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 airline layout is shown above. If an automatic in-line filter/regulator is

used, it will keep the air 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.

The minimum hose diameter should be 8mm ID and fittings should have the

same internal dimensions.

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 unclean 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. Remove the plastic blanking plug from the air inlet connection.

2. Pour 2-3 drops of CLARKE airline oil into the inlet port. This should be done

regardless of whether or not a lubricated air supply is to be used.

3. If the air supply is unlubricated, an in-line mini oiler be added to the air tool.

• A mini oiler helps to prolong the life of any air tool.

4. 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.

5. Connect a suitable hose as shown

or use the inlet adaptor supplied to

connect directly to the hose.

6. Connect the other end of the hose

to the compressor.

7. Turn on the air supply and check

for air leaks. Rectify any found

before proceeding.

• PTFE tape may be useful for

sealing threaded connections.

8. If using a mini oiler, place a sheet of paper next the exhaust port and hold

the throttle open for approximately 30 seconds. The oil volume is correctly

set when a light stain of oil can be seen on the paper. Excessive oil should

be avoided.

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.

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

OPERATION

FITTING AN 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.

Only use the correct impact sockets.

SETTING THE DIRECTION AND SPEED

1. For normal tightening, the wrench

should be operated in the forward

(F) direction.

2. For loosening, the wrench should

be operated in the reverse (R)

direction.

3. To adjust the forward speed, turn

the switch until the desired output

is achieved. A click will be heard

at each of three positions.

• Setting 1 is the least amount of power while setting 3 is the most

powerful.

• The wrench operates at maximum power in reverse. This setting is for

releasing threaded fasteners.

NOTE: Where the torque setting is critical, the final tightening must be by

hand using a calibrated torque wrench.

WARNING: NEVER USE STANDARD SOCKETS. THESE MAY SHATTER WITH

SERIOUS CONSEQUENCES. ONLY USE IMPACT SOCKETS DESIGNED FOR

USE WITH IMPACT TOOLS.

WARNING: WAIT UNTIL THE WRENCH HAS STOPPED ROTATING BEFORE

OPERATING THE FORWARD/REVERSE SWITCH.

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

OPERATING THE IMPACT WRENCH

1. Place the socket over the nut/bolt to be tightened or loosened.

2. Squeeze the trigger to start and release the trigger switch to stop the

wrench.

• The square drive will continue to rotate very briefly after the trigger

has been released.

LOOSENING A WHEEL NUT/BOLT

1. Remove any wheel trim, before selecting the appropriate socket and

placing firmly on the square drive of the impact wrench.

2. With the switch in the REVERSE running position, and holding the impact

wrench firmly in BOTH HANDS, squeeze the trigger. The nut/bolt will be

impacted repeatedly until it is loosened. IMPORTANT! Release the trigger as

soon as the nut/bolt begins to loosen.

3. Jack up the vehicle according to the vehicle handbook so that the wheel

is clear of the ground, then proceed to fully undo the wheel nuts/bolts.

4. Soak rusted nuts/bolts in penetrating oil and break any rust seal before

twisting off with the wrench.

TIGHTENING A NUT/BOLT

1. Start the nut/bolt by hand, ensuring it is not cross threaded, then with the

appropriate socket installed on the impact wrench, place it on the nut/

bolt.

2. With the switch in the clockwise (FORWARD) running position, and holding

the wrench firmly in BOTH HANDS, squeeze the trigger.

3. Run each nut/bolt up in turn until it is ‘nipped’ up only - do not tighten.

When all nuts/bolts are nipped up, tighten progressively by pulling the

trigger fully and allowing the action to operate briefly to prevent

overtightening.

4. ALWAYS finish tightening with a torque wrench. The weight of the vehicle

will need to be placed on the wheel to prevent it from rotating while the

nuts/bolts are tightened. Ensure the final torque applied to the nuts/bolts

meets the vehicle manufacturer’s recommendations.

WARNING: ENSURE THAT THE CORRECT SOCKET IS BEING USED FOR THE

NUTS ON YOUR PARTICULAR VEHICLE. AN INCORRECT SOCKET SIZE IS

LIKELY TO DAMAGE THE HEADS OF THE NUTS/BOLTS.

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

DISCONNECTING THE AIR SUPPLY

1. Shut down the compressor.

2. Squeeze the trigger of the impact wrench and operate until all the

compressed air is discharged.

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

MAINTENANCE

1. Routinely drain water from the airline filter and compressor.

2. If no airline lubricator or mini oiler is used, ensure that oil is applied to the

tool on a daily basis through the air inlet connection. Run a few drops of oil

through the tool before use. It may be entered into the air inlet, (ensuring

the screen is clear), or into the hose at the nearest connection to the air

supply.

3. This procedure should be repeated after every two to three hours of use or

at the start of the working day.

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

WEEKLY

1. Check the air inlet screen filter for

blockage and clean if necessary.

CLEANING & OVERHAUL

1. Grit or gum deposits in the tool

may reduce efficiency.

2. 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.

3. If the tool still 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 WRENCH IS DISCONNECTED FROM THE

AIR SUPPLY BEFORE STARTING ANY CLEANING OR MAINTENANCE

PROCEDURES.

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