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Fabricant : Harbor Freight Tools
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Nom Fichier : 32871.pdf
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15. CHECK DAMAGED PARTS. Before using any tool, any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment and binding of moving parts; any broken parts or mounting fixtures; and any other condition that may affect proper operation. Any part that is damaged should be properly repaired or replaced by a qualified technician. Do not use the tool if any switch does not turn on and off properly. 16. REPLACEMENT PARTS AND ACCESSORIES. When servicing, use only identical replacement parts. Use of any other parts will void the warranty. Only use accessories intended for use with this tool. Approved accessories are available from Harbor Freight Tools. 17. DO NOT OPERATE TOOL IF UNDER THE INFLUENCE OF ALCOHOL OR DRUGS. Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs. If there is any doubt, do not operate the tool. 18. DRAIN COMPRESSOR EVERY DAY. Do not allow moisture to build up inside the compressor. Do not allow compressor to sit pressurized for longer than one hour. 19. MAKE SURE ALL EQUIPMENT IS RATED TO THE APPROPRIATE CAPACITY. Make sure that regulator is set at least 10 PSI lower than the lowest rated piece of equipment you are using. UNPACKING Your Impact Wrench comes completely assembled. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual. GENERAL This Impact Wrench develops a maximum of 535 ft/lbs. of torque. The amount of torque can be increased or decreased using the AIR REGULATOR (#46). When the Air Regulator is completely screwed in it is at it’s lowest setting. Air pressure increases as you loosen the Air Regulator. OPERATION Setup Frequent, but not excessive, lubrication is required for best performance. Oil added through the airline connection will lubricate internal parts. An automatic airline oiler is recommended but oil may be added manually before every operation or after about 1 hour of continuous use. Only 4 to 5 drops of oil at a time are necessary. Too much oil will collect inside the tool and be blown out during the exhaust cycle. ONLY USE PNEUMATIC TOOL OIL. Do not use detergent oil or additives as these lubricants will cause accelerated wear to the seals in the tool. Dirt and water in the air supply are major causes of pneumatic tool wear. Use a filter/oiler for better performance and longer life. The filter must have adequate flow capacity for the specific application. Consult the manufacturer’s instructions for proper maintenance of your filter. The connector on the tool must not hold pressure when the air supply is disconnected. If the wrong fitting is used, the tool can remain charged with air after being disconnected and still be able to drive a fastener. See Figure 1 for the recommended accessories and connection order. Figure 1 — Airline Oiler Use Step 1: Set the compressor’s pressure regulator to a maximum of 90 PSI. 90 PSI is satisfactory without harming this tool. Step 2: You will need to purchase a union fitting (sold separately) before you can connect the Impact Wrench to your air compressor. You may also wish to purchase an Air Coupler as this allows quick-coupling action when using multiple tools with one compressor. Step 3: Determine the socket size necessary for the job you need to do. Attach the appropriate 3/4” drive socket to the Impact Wrench as shown in Figure 2. Figure 2 — Attaching the Air Coupler and Socket Step 4: Connect the Impact Wrench to the air compressor’s hose. If leaking is detected, disconnect the air hose and repair before use. Step 5: Select the power setting for Loosening by adjusting the AIR REGULATOR (#46) located on the bottom of the Impact Wrench as shown in Figure 3. When the Air Regulator is completely screwed in it is at its lowest setting. Air pressure increases as you loosen the Air Regulator. Figure 3 — Adjusting the Reverse Power Setting Step 6: Select the direction of the Wrench (forward or reverse) by pushing the REVERSE VALVE (#48) located on the handle of the Impact Wrench as shown in Figure 4. Figure 4 — Selecting Reverse Direction Step 7: Press the TRIGGER (#38) to test the Impact Wrench. The Impact Wrench should spin freely as shown if Figure 5. Figure 5 — Pressing Trigger Loosening Step 1: Verify that the power level is correct for your needs and that the REVERSE VALVE (48) has been shifted (pressed) completely to the right. If not, refer to Steps 5 through 9 under Use before proceeding. Step 2: Place your work in as clear a location as possible. Make sure the air hose will reach as far as needed without stressing any connections. Step 3: With the correct socket attached to the Impact Wrench, slide the socket over the nut or bolt. Step 4: Grip the Impact Wrench with both hands, especially with higher power settings. Make sure you are in a stable position and spread your feet shoulder-width apart. Step 5: Press the TRIG...