Figure 10. Wrist Strap TesterInsulator ElementsIt is critical to keep ESD sensitive devices, such as plastic heat sink casings, away from internal parts that are insulators and often highlycharged.Table 34. Placement of Insulator ElementsUnacceptable — DIMM lying on an insulator part (plastic heatsink shroud) Acceptable — DIMM separated from the insulator partConsider the Working EnvironmentBefore deploying the ESD Field Service kit, assess the situation at the customer location. For example, deploying the kit for a serverenvironment is different than for a desktop or portable environment. Servers are typically installed in a rack within a data center; desktopsor portables are typically placed on office desks or cubicles.Always look for a large open flat work area that is free of clutter and large enough to deploy the ESD kit with additional space toaccommodate the type of system that is being repaired. The workspace should also be free of insulators that can cause an ESD event. Onthe work area, insulators such as Styrofoam and other plastics should always be moved at least 12 inches or 30 centimeters away fromsensitive parts before physically handling any hardware components.ESD PackagingAll ESD-sensitive devices must be shipped and received in static-safe packaging. Metal, static-shielded bags are preferred. However, youshould always return the damaged part using the same ESD bag and packaging that the new part arrived in. The ESD bag should be foldedover and taped shut and all the same foam packing material should be used in the original box that the new part arrived in.56 Disassembly and reassembly
