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Manafacture: Global Machinery Company
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manual abstract
With one hammer (Rocking Dog) impact mechanism and useful accessories, this kit is used as a general purpose tool kit by DIYers and hobbyists. 1. This impact wrench is a part of a high pressure system. Do not exceed maximum operating pressure of the air tool (90PSI). The impact wrench could explore and may result in death or serious injury. 2. Disconnect the impact wrench from air compressor before changing tools or accessories, servicing and during non-operation. 3. Always wear safety glasses and using hearing protection during operation. 4. Do not wear loose fitting clothing and jewellery which may become caught in moving parts and result in serious injury. 5. Do not depress trigger when connecting the air hose. 6. Always use accessories fittings designed for use with air tools. Use impact-quality sockets only. Do not use hand- tool sockets, damaged or worn accessories. 7. Never trigger the tool when not applied to a work object. Accessories must be securely attached. 8. Make sure all connections are secure and check air hoses for weak or worn condition before each use. 9. Disconnect air supply before installing or any maintenance. Operation Before each use: • Drain water from air compressor tank and condensation from air lines. Refer to your air compressor instruction manual. CAUTION: Disconnect the tool from the air supply before lubricating or changing sockets. • Lubricate tool, see “Maintenance” section in this manual. CAUTION: Impact sockets and accessories must be used with this tool. Do not use hand sockets and accessories. • Select the required impact socket. This tool has a 1/2” square drive, use 1/2” deep sockets. Use 1/2” extensions only when needed. IMPORTANT: The use of air filters and air line lubricators is recommended. Maintenance This impact wrench requires lubrication before initial use and before and after each additional use throughout its life. Air motor lubrication 1. Disconnect the impact wrench from the air supply and hold the tool upside down. 2. Pull the trigger, put one teaspoon of air tool oil in the air inlet lubricating the air motor the air inlet (6), and then adjust the adjustable speed control (4) in both the forward and reverse directions to help circulate oil in the motor. 3. Reconnect the impact wrench to the air supply and cover the exhaust port (7) with a towel and run in both the forward and reverse directions for 20 seconds. Oil will discharge from the exhaust port when air pressure is applied. Any excess oil in the motor is immediately expelled from the exhaust port. Always direct exhaust port away from people or objects. Impact mechanism lubrication 1. Disconnect the air impact wrench from the air supply. 2. Remove the allen head screw from the impact mechanism oil port (9) hole on the right side of the tool that has “OIL”. 3. Put three teaspoons of air tool oil in the oil port. Then, replace the screw. 4. Reconnect the impact wrench with the air supply and run for 20 seconds. Lubricate the whole impact mechanism by rotating the tool upside down and sideways while running the tool. 5. Remove the screw and hold the oil port hole over a container to allow excess oil to drain. 6. If the oil is dirty, repeat the procedure above until the oil comes out clear. Install the screw and tighten. The residual oil remaining in the impact mechanism chamber is all that is needed for proper lubrication Air supply Air supply MUST be greater than air requirement of the tool. Recommended air compressor is 3/4HP tank for intermittent use; 1.5HP or larger for heavier duty use Storage The impact wrench must be lubricated before storing. Follow the air motor lubrication instructions. Only run for 3 seconds instead of 20 seconds because more oil needs to remain in the tool when storing. Adjustable speed control This impact wrench is equipped with a regulator for adjustable speed control (4). This switch is located at the rear of the tool. The impact wrench should NEVER be used to set torque. Use a torque wrench to set the torque. To remove nuts, set the regulator to the maximum setting. To install nuts, set the regulator to the minimum to medium setting. Do not over-tighten the nuts. Forward and reverse directions are controlled by rotating the speed control knob noted. General inspection 1. Regularly check that all the fixing screws are tight. 2. The supply cord of the compressor should be checked frequently for damage. If damaged, have the cordset replaced by an authorised service facility to avoid a hazard. Cleaning 1. Keep the tool’s air vents unclogged and clean at all times. 2. Remove dust and dirt regularly. Cleaning is best done with a soft brush or a rag. 3. Re-lubricate all moving parts at regular intervals. 4. If the body of the air tool needs cleaning, wipe it with a soft damp cloth. A mild detergent can be used but nothing like alcohol, petrol or other cleaning agent. 5. Never use caustic agents to clean plastic parts. CAUTION: Water must never come into contact with the too...
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