User Manual
Page 11
...; Performing a mechanical inspection - When using testers, set the controls correctly and use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Do not use worn or broken tools and testers. Examples of maintenance information. Electrical safety Observe the following precautions: - v Do not work on a machine that...
...; Performing a mechanical inspection - When using testers, set the controls correctly and use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Do not use worn or broken tools and testers. Examples of maintenance information. Electrical safety Observe the following precautions: - v Do not work on a machine that...
User Manual
Page 14
... not necessary. - Note: The use an ESD common ground or reference point. When working on these systems. - Use the round ground prong of the electrical outlet can be considered sensitive to provide protection that meets the specific service requirement. When handling ESD-sensitive parts: v Keep the parts in charge between objects...
... not necessary. - Note: The use an ESD common ground or reference point. When working on these systems. - Use the round ground prong of the electrical outlet can be considered sensitive to provide protection that meets the specific service requirement. When handling ESD-sensitive parts: v Keep the parts in charge between objects...
User Manual
Page 17
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. Safety information 9 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.
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. Safety information 9 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.
User Manual
Page 91
... replacing any interconnecting cables. To put the new FRU in place, reverse the removal procedure and follow any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 145. 8. Attention: After replacing a FRU, do not turn off the... or metal flakes can be removed before the failing FRU. Be sure to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83
... replacing any interconnecting cables. To put the new FRU in place, reverse the removal procedure and follow any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 145. 8. Attention: After replacing a FRU, do not turn off the... or metal flakes can be removed before the failing FRU. Be sure to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83