User Manual
Page 11
.... - Performing a mechanical inspection - Working near equipment that has hazardous voltages. Attention: Another person must be there to switch off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your work area. When using testers, set the controls correctly and use the approved probe leads and accessories for these...
.... - Performing a mechanical inspection - Working near equipment that has hazardous voltages. Attention: Another person must be there to switch off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your work area. When using testers, set the controls correctly and use the approved probe leads and accessories for these...
User Manual
Page 14
... they exceed the requirements noted here. 2. Make sure that the ESD protective devices you are wearing a wrist strap. Grounding requirements Electrical grounding of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use coax or connector-outside shells on a double-insulated or battery-operated system, use...
... they exceed the requirements noted here. 2. Make sure that the ESD protective devices you are wearing a wrist strap. Grounding requirements Electrical grounding of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use coax or connector-outside shells on a double-insulated or battery-operated system, use...
User Manual
Page 17
DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. DANGER Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables. Safety information 9
DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. DANGER Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables. Safety information 9
User Manual
Page 85
... FRU, use in removing and replacing a FRU. Before replacing any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have been trained and certified. Remove them in the order in place, ...establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2010 77 Verify this by shaking the computer gently and listening for removing the FRU, as given by the arrow in the drawing. 7. Before...
... FRU, use in removing and replacing a FRU. Before replacing any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have been trained and certified. Remove them in the order in place, ...establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2010 77 Verify this by shaking the computer gently and listening for removing the FRU, as given by the arrow in the drawing. 7. Before...