AIR IMPACT WRENCH MODEL NO: CAT81 PART NO: 3110805 OPERATING & MAINTENANCE INSTRUCTIONS GC0614
INTRODUCTION Thank you for purchasing this CLARKE Impact Wrench. 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 may be found on the tool. Read this instruction booklet carefully before use. Wear ear protection. Wear eye protection.
GENERAL SAFETY RULES CAUTION: FAILURE TO FOLLOW THESE PRECAUTIONS COULD RESULT IN PERSONAL INJURY, AND/OR DAMAGE TO PROPERTY. 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.
• 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 by applying excessive force of any kind. 16. Always maintain the tool 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.
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.
COMPRESSED AIR REQUIREMENTS WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU ARE 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. • 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.
BEFORE USE 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. 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.
FITTING THE IMPACT SOCKET WARNING: NEVER USE STANDARD SOCKETS. THESE MAY SHATTER WITH SERIOUS CONSEQUENCES. ONLY USE IMPACT SOCKETS DESIGNED FOR USE WITH IMPACT TOOLS. 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. 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.
MAINTENANCE WARNING: MAKE SURE THAT THE AIR TOOL IS DISCONNECTED FROM THE AIR SUPPLY BEFORE STARTING ANY CLEANING, OR MAINTENANCE PROCEDURES. 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 inline mini oiler is not used, this procedure should be repeated after every two to three hours of use. 3.
TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION Tool runs at normal speed but slows down under any load. 1. Motor parts worn. 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 lubricating oil into air inlet. 2. Adjust in-line regulator to open position. 3. Operate tool in short bursts. Tool will not run.
PARTS LIST No Description Part No No Description Part No 1 Oil Seal KL004202 27 Valve Stem KL290010 2 Cap Screw KL000117 28 Bushing KL2501043 3 Spring Washer KL001802 29 Steel Ball KL003801 4 Hammer Case KL300010 30 Spring KL2501009 5 Front Gasket KL290008 31 Hose Adaptor KL2501010 6 Anvil Bush KL302029 32 Pin KL2501032 7 Spacer KL302028 33 Spring KL2501031 8 O-Ring KL004103 34 Set Screw KL000609 9 Anvil Collar KL2501040 35 Ball Bearing KL002306 10
PARTS DIAGRAM 12 Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.
ACCESSORIES A wide range of airline accessories is available from your nearest CLARKE dealer, for further information, contact your nearest dealer, or telephone CLARKE International Sales department on 01992 565300. Suitable air line accessories include Air Filter/Regulators, Lubricators, Hoses, Snap Couplings, clips, gauges, valves.
SPECIFICATION Model Number CAT81 Weight 2.7 kg Dimensions (L x W x H) 240 x 75 x 210 mm Drive Size 1/2” sq (13mm) Air Inlet Size 1/4“BSP Min. Hose Size (ID) 8mm (5/16”BSP) Max Operating Pressure 90 psi (6.2 bar) Air Consumption 4.2 cfm Max No Load Speed 7000 rpm @ 90psi Max Torque 280 ft/lb Max Bolt capacity 5/8” Sound Pressure Level (LpA dB) 88.2 dB(A) Sound Power Level (LwA dB) 101.2 dB(A) Vibration emissions <2.5m/s2 (uncertainty value - 3.
DECLARATION OF CONFORMITY 15 Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.
