Summary

Chapter 2: Safe Lab Procedures and Tool Use 21WorkbenchWhen you are working at a workbench, ground the workbench and the antistatic floor mat.By standing on the mat and wearing the wrist strap, your body has the same charge as theequipment. Correct use of an antistatic mat and a wrist strap will prevent an electricalcharge from causing damage to computer components.Demonstrate Proper Use of Various Hand ToolsA technician needs to be able to properly use each tool in the tool kit. This topic coversmany of the various hand tools used when repairing computers.ScrewsMatch each screw with the proper screwdriver. Place the tip of the screwdriver on the headof the screw. Turn the screwdriver clockwise to tighten the screw and counterclockwise toloosen the screw.Screws can become stripped if you overtighten them with a screwdriver. A stripped screw,shown in Figure 2-10, can get stuck in the screw hole, or it might not tighten firmly.Discard stripped screws.Figure 2-10Stripped ScrewFlat Head ScrewdriverUse a flat head screwdriver when you are working with a slotted screw. Do not use a flathead screwdriver to remove a Phillips head screw. Also, do not use a screwdriver as a prybar. If any component requires prying, you might have overlooked a clip or latch that can beholding the component in place.