Assessments - 2, GPA: 4.5
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Repair or replace damaged parts before operating. 18. USE GOOD LIGHTING. Keep work area well lighted. Dark work areas increase risk of accidental injury. 19. AVOID UNINTENTIONAL OPERATION. Always disconnect air when not in use, and do not carry tool with hand on trigger. 20. USE THE RECOMMENDED ACCESSORIES. Consult owner’s manual for recommended accessories. Using improper accessories may increase the risk of injury. 21. NEVER ALLOW UNTRAINED USERS TO USE THIS TOOL WHILE UNSUPERVISED. 22. IF YOU ARE UNSURE OF THE INTENDED OPERATION, STOP USING TOOL. Seek formal training or research books or magazines that specialize in pneumatic tools. 23. BE AWARE OF HOSE LOCATION. Hoses can easily become a tripping hazard when laid across the floor in a disorganized fashion. 24. DO NOT USE UNDER THE INFLUENCE OF DRUGS OR ALCOHOL, OR WHEN TIRED. -2- Model H8218 Mini Die Grinder INTRODUCTION Foreword The specifications, details, and photographs in this manual represent the Model H8218 as supplied when the manual was prepared. However, owing to Grizzly’s policy of continuous improvement, changes may be made at any time with no obligation on the part of Grizzly. If you have any comments regarding this manual, please write to us at the following address: Grizzly Industrial, Inc. C/O Technical Documentation P.O. Box 2069 Bellingham, WA 98227-2069 E-Mail: manuals@grizzly.com Most importantly, we stand behind our tools. If you have any service questions or parts requests, please call or write us at the location listed below. Grizzly Industrial, Inc. 1203 Lycoming Mall Circle Muncy, PA 17756 Phone: (570) 546-9663 Fax: (800) 438-5901 E-Mail: techsupport@grizzly.com Web Site: Specifications Collet Size...............................................1.4" No Load Speed.......................25,000 RPM Air Consumption...............................3 CFM Air Inlet.....................................................1.4" Required PSI.....................................90 PSI Maximum Sound Level......................95 dB A BC D Figure 1.Model H8218 Inventory. A. 1/4" Mini Die Grinder B. 1/4" NPT Male Quick Connect Fitting C. 12mm Wrench D. 17mm Wrench No list of safety guidelines is complete, because every work environment is different. Always consider safety first and use common sense. Failure to use this tool with caution and respect couldresultinseriouspersonal injury. Model H8218 Mini Die Grinder -3 -4- Model H8218 Mini Die Grinder OPERATIONS Read the manual before operation. Become familiar with this tool, its safety instructions, and its operation before beginning any work. Serious personal injury may result if safety or operational information is not understood or followed. Installing Bits The Model H8218 uses bits and cutters with a 1/4" diameter shaft. See the Grizzly catalog or for a complete listing of available bits and accessories. DO NOT use bits or cutters with a cutting diameter larger than 1". The bit or cutter could break apart under the stresses of high speed use causing serious personal injury. To install a bit: 1. DISCONNECT THE GRINDER FROM THE AIR SUPPLY! 2. Use the two included wrenches to loosen the collet nut, as shown in Figure 2. Note: It is not necessary to completely remove the collet nut from the shaft unless you are also changing the collet. 3. Insert at least 1.2" of the bit into the collet. 4. Hand tighten the collet nut, then use the collet wrenches to tighten the collet nut. Verify that the tooling bit is secure and will not pull out. Figure 2. Loosening the collet. Like all tools there is potential danger when operating this tool. Accidents are frequently caused by lack of familiarity or failure to pay attention. If normal safety precautions are overlooked or ignored, serious personal injury may occur. Model H8218 Mini Die Grinder -5- Using the Grinder Always test the tooling bit on a scrap piece of material similar to the workpiece. Trial and error is the best way to determine the ideal setup. To use the grinder: 1. Attach the 1/4" NPT male quick connect fitting to the air inlet plug. 2. Attach the grinder to an air supply set at 90 PSI. 3. Hold the grinder securely. 4. Turn the grinder ON by depressing the trigger. 5. Securely holding the grinder, ease the working end of the bit against the workpiece with a light, but steady, pressure. 6. To turn the grinder OFF, release the trigger. 7. To avoid accidental starting, disconnect the grinder from the air supply when it is not in use. Daily Maintenance The die grinder MUST have 2-6 drops of oil directly dropped into the air fitting before each use. In addition, we recommend using an in-line filter, lubricator, and regulator, as shown in Figure 3. These procedures should be done after each use: • Wipe the motor housing and tool bits with a dry cloth, or blow off the dust and debris with compressed air. • Check for damage to tooling, hoses, housing or other accessories. ACCIDENTAL START HAZARD! Disconnect before serv...