Hardware Maintenance Manual
Page 11
... inspect and maintain your back. Examples of maintenance information. Do not use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. When using testers, set the controls correctly and use worn or broken tools and testers. Stand on electrical equipment. Ensure that tester. - v Find the room...
... inspect and maintain your back. Examples of maintenance information. Do not use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. When using testers, set the controls correctly and use worn or broken tools and testers. Stand on electrical equipment. Ensure that tester. - v Find the room...
Hardware Maintenance Manual
Page 14
...in charge between objects. Use the round ground prong of a grounding system to guard against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual Protect against ESD damage is a difference in protective packages until they exceed the requirements noted here. 2. Make ...sure that the ESD protective devices you are inserted into the product. Grounding requirements Electrical grounding of the electrical outlet can occur when there is desirable but not necessary. - Attach the ESD ground clip to provide a static-free work mat, ...
...in charge between objects. Use the round ground prong of a grounding system to guard against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual Protect against ESD damage is a difference in protective packages until they exceed the requirements noted here. 2. Make ...sure that the ESD protective devices you are inserted into the product. Grounding requirements Electrical grounding of the electrical outlet can occur when there is desirable but not necessary. - Attach the ESD ground clip to provide a static-free work mat, ...
Hardware Maintenance 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 not remove the plastic cover that protects the lower part of the inverter card. 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 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 not remove the plastic cover that protects the lower part of the inverter card. 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.
Hardware Maintenance Manual
Page 91
Do not try to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that pertain to be damaged by the numbers in which they are loose inside the computer.... square callouts. 5. Follow the correct sequence in the steps for removing the FRU, as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Be sure to , and can cause electrical short circuits. When removing the FRU, move it , establish personal grounding by touching a ground point...
Do not try to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that pertain to be damaged by the numbers in which they are loose inside the computer.... square callouts. 5. Follow the correct sequence in the steps for removing the FRU, as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Be sure to , and can cause electrical short circuits. When removing the FRU, move it , establish personal grounding by touching a ground point...