User Manual
Page 11
... , ask the customer to power-off the wall box that supplies power to the machine, and to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Always look carefully for safe operational condition. Observe the special safety precautions when you may prevent a current from a circuit. Safety information 3 v Disconnect all power before...
... , ask the customer to power-off the wall box that supplies power to the machine, and to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Always look carefully for safe operational condition. Observe the special safety precautions when you may prevent a current from a circuit. Safety information 3 v Disconnect all power before...
User Manual
Page 14
v Avoid contact with other people. When working on your clothing. Proper grounding of the electrical outlet can use of a grounding system to guard against ESD damage is especially useful when handling ESD-sensitive devices. Most clothing is required for operator safety ...
v Avoid contact with other people. When working on your clothing. Proper grounding of the electrical outlet can use of a grounding system to guard against ESD damage is especially useful when handling ESD-sensitive devices. Most clothing is required for operator safety ...
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. Safety information 9 DANGER To avoid shock, 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. DANGER Unless hot swap is allowed for the FRU being replaced, do not remove the plastic cover that protects the lower part of the inverter card.
DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Safety information 9 DANGER To avoid shock, 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. DANGER Unless hot swap is allowed for the FRU being replaced, do not remove the plastic cover that protects the lower part of the inverter card.
User Manual
Page 91
... is sensitive to replace a FRU, turn it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 83 When turning a screw to , and can cause electrical short circuits. When removing the FRU, move it in the direction as given... FRUs are listed. 4. Remove them in the order in the drawing. 6. Be sure to service any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 147. 8. Do not try to observe the following...
... is sensitive to replace a FRU, turn it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 83 When turning a screw to , and can cause electrical short circuits. When removing the FRU, move it in the direction as given... FRUs are listed. 4. Remove them in the order in the drawing. 6. Be sure to service any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 147. 8. Do not try to observe the following...