Intel SBX82 User Guide - Page 7
Regularly inspect and maintain your electrical hand tools for safe operational condition.
UPC - 675900686984
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• Find the emergency power-off (EPO) switch, disconnect switch, or electrical outlet in the room. If an electrical accident occurs, you can quickly turn off the switch or unplug the power cord. • Do not work alone under hazardous conditions, or near equipment that has hazardous voltages. • Disconnect all power before: - Performing a mechanical inspection - Working near power supplies - Removing or installing main units • Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to power-off the wall box (that supplies power to the machine) and to lock the wall box in the off position. • If you need to work on a machine that has exposed electrical circuits, observe the following precautions: - Ensure that another person, familiar with the power-off controls, is near you. Remember: another person must be there to switch off the power, if necessary. - Use only one hand when working with powered-on electrical equipment; keep the other hand in your pocket or behind your back. - Remember: There must be a complete circuit to cause electrical shock. By observing the above rule, you may prevent a current from passing through your body. • When using testers, set controls correctly and use the approved probe leads and accessories for that tester. • Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as metal floor strips and machine frames. • Observe the special safety precautions when you work with very high voltages; these instructions are in the safety sections of the maintenance information. Use extreme care when measuring high voltages. • Regularly inspect and maintain your electrical hand tools for safe operational condition. • Do not use worn or broken tools and testers. • Never assume that power has been disconnected from a circuit. First, check that it has been powered-off. • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental inspection mirror. The surface is conductive; such touching can cause personal injury and machine damage. • When the power is on and power supply units, blowers and fans are removed from their normal operating position in a machine, do not attempt to service the units. This practice ensures correct grounding of the units. • If an electrical accident occurs, use caution: - Switch power off - Send another person to get help/medical aid vii