ŸReinstall all covers correctly before returning t machine to the customer.
Electrical Safety
Observe the following rules when working on electrical equipment.
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Use | only | approved tools and test equipment. Some | ||||||
hand | tools |
| have handles covered with a |
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that | does not insulate you when working with live | |||||||
trical | currents. Many | customers have, near their e | ||||||
ment, rubber floor mats that contain small conductive | ||||||||
fibers to decrease electrostatic discharges. Do | ||||||||
this | type |
| of mat to | protect yourself | from | electr | ||
shock. |
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ŸFind the room emergency
disconnecting switch, or electrical outlet. If a trical accident occurs, you can then operate t switch or unplug the power cord quickly.
ŸDo not work alone under hazardous conditions or
near equipment that has hazardous voltages.
Ÿ Disconnect all power before:
– Performing a mechanical inspection
– Working near power supplies
– Removing or installing main units
ŸBefore you start to work on the machine, unplug
power | cord. | If you cannot | unplug | it, ask | the | c |
to | power | t | ||||
machine | and | to lock the wall | box | in the | off | po |
ŸIf you need to work on a machine that has ex
electrical circuits, observe the following precau
–Ensure that another person, familiar with the
Attention: Another person must be there to switch off the power, if necessary.
–Use only one hand when working with
Attention: There must be a complete circuit t cause electrical shock. By observing the ab rule, you may prevent a current from passing through your body.
–When using testers, set the controls correct and use the approved probe leads and acce ries for that tester.
12 ThinkPad i Series 1400 HMM