3 Static-Dissipative Portable Field Service Kit 8501 Designed for electrostatic protection of static-sensitive components during field service calls Although static damage can occur anywhere microelectronic components are used, these sensitive devices are most susceptible during servicing. The 3MTM Static Dissipative Portable Field Kit 8501 prevents static damage that frequently occurs when an unprotected service technician works on electronic equipment. The 3M Field Service Kit 8501 is designed to quickly and reliably remove any static charge on the technician and to provide a static-free surface upon which to lay parts. The kit includes one 3MTM Adjustable Wrist Band 2204 and a static-dissipative work surface. Both connect to ground by the 3MTM Ground Cord Assembly 3051. (See "Components" section for details). The static-dissipative work surface reduces the potential for sparking and shorting that exists with highly conductive mats, and minimizes charge drainage from battery packs. For added safety, cotton trim covers all edges of the mat. The construction of this work surface gives it excellent flexibility over a wide range of temperatures. Its red color keeps both the technician and the customer alert to the potential problem of static electricity. The Field Service Kit 8501 works on the principle of grounding. When the technician attaches the ground cord to the wrist band and to the static-dissipative mat, then connects the cord to ground, any existing static charge on the technician or on any conductive parts laid on the mat drains away to ground. Also, new charge is unable to accumulate. Note: Static charge on nonconductors (e.g. plastic boxes, vinyl work order holders, foam coffee cups, synthetic clothing, etc.) cannot be removed simply by grounding. The only effective way to get rid of static on these items is to neutralize the charge with ionized air. Since it is often impractical to carry an ionized air blower to a service call site, the technician must take extra care to keep such nonconductors as far away from the work area and sensitive electronics as possible. The need for good static control procedures at a customer's site cannot be overemphasized. Practicing proper static precautions in the field can save time, money and aggravation for both your customers and your own company. Static damage caused by an unprotected technician usually results in one or more callbacks - costly not only in time and money, but also in reputation. A callback may suggest to both the customer and your service manager that the job was not done right the first time. Components * Static-dissipative work surface, .021" x 22" x 24". Red with dark gray edging. Two pockets, each approximately 8" x 11", sewn into the work surface. * 3MTM Common Point Ground Cord System 3051 Large center snap connects to the work surface. The 10' (extended length) coiled cord section snaps to technician's wrist band; the 5' (extended length) coiled cord section terminates in a standard banana plug which connects to ground either directly or by way of the 3MTM Alligator Clip 3038 (included). Each of the ground cord sections has its own independent one megohm resistor for user safety. (Note: 3MTM Insulated "Bulldog" Clip 3037 is optional.) * One 3MTM Adjustable Wrist Band 2204 Static-safe field service procedure (See schematic below) 1. Upon arrival at the service call site, unfold the staticdissipative kit on any convenient area adjacent to the trouble location. 2. Remove the accessories from the kit pockets, and attach the ground cord assembly to the red work surface by means of the large black snap in the middle of the cord. Connect the shorter of the two coiled sections to a reliable ground via the alligator clip, which fits over the banana plug. (Water pipes, unpainted equipment frames, electrical conduits, or building frame members usually provide accessible and reliable grounding locations.) Once grounded, the work surface cannot hold static charges. The conductivity of the material ensures that the boards or components will be protected from the static charge existing on the carpet, tile, or table top beneath the mat. 3. Slip on the elastic 3MTM Adjustable Wrist Band 2204. Adjust the size to fit comfortably, yet still contact the entire circumference of the wrist. Contact need not to be tight, but extremely loose fit is not desirable. 4. Snap the longer coiled section of the ground cord assembly to the stud on the wrist band. This connects the wrist band to the same common ground as the work surface. 5. It is now safe to remove and handle static-sensitive components. NOTE: After removing a faulty part, put it immediately into a 3M static-shielding bag to prevent further static damage during its return trip to the repair depot. The replacement board can be removed from its protective bag or container and inserted into the equipment frame. 6. If recalls persist and indicate the possibility of usercaused static damage, permanent placement of other 3M static control products may be required. Cleaning Clean the portable work surface with 3MTM Cleaner for Static Control Mats 8001. It may also be cleaned with mild detergent and water. Most strong solvents are not recommended. The wrist band can be cleaned by hand washing or in a standard washing machine. Electrical performance Note: Measuring the resistance of the work surface requires a high voltage megohmmeter like the one in the 3MTM Test Kit 701. Using a 5-pound, 2-1/2" diameter electrode*, the resistance to ground should be greater than 106 ohms and less than 109 ohms. If the resistance is less than 106 ohms, it indicates the existence of an alternate path to ground (bypassing the one megohm resistor in the ground cord) which should be traced and corrected. If the resistance is greater than 109 ohms, it means that the ground connection is interrupted and must be repaired. * 3MTM Ground Cord 3051 snap to work surface and wrist band, then attach alligator clip to any reliable ground *As specified in NFPA 99. * Static-Dissipative Work Surface * 3MTM Adjustable Wrist Band 2204 Important Notice All statements, technical information, and recommendations All statements, technical information, and recommendations related to 3M's products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product which are not contained in 3M's current publications, or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M. Warranty; Limited Remedy; Limited Liability. This product will be free from defects in material and manufacture for a period of one year from the time of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M's option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted. 3 Electronics 6801 River Place Blvd. Austin, TX 78726-9000 800/328-1368 www.3M.com/electronics Printed in USA. Minimum 10% Post-consumer fiber (c) 3M 2005 98-0799-0225-4