Lenovo A1000L Tablet Accessory User Manual


 
Safety information
5
Thepurposeofthisinspectionguideistoassistyouinidentifyingpotential
unsafeconditions.Aseachmachinewasdesignedandbuilt,requiredsafety
itemswereinstalledtoprotectusersandservicepersonnelfrominjury.This
guideaddressesonlythoseitems.Youshouldusegoodjudgmenttoidentify
potentialsafetyhazardsaccordingtotheattachmentofnonLenovofeaturesor
optionsnotcoveredbythisinspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowseriousthe
apparenthazardcouldbeandwhetheryoucancontinuewithoutfirstcorrecting
theproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
Electricalhazards,especiallyprimarypower(primaryvoltageontheframe
cancauseseriousorfatalelectricalshock)
Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor
Mechanicalhazards,suchaslooseormissinghardware
Todeterminewhetherthereareanypotentialunsafeconditions,usethe
followingchecklistatthebeginningofeveryservicetask.Beginthecheckswith
thepoweroff,andthepowercorddisconnected.
Checklist:
1. Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2. Turnoffthecomputer.Disconnectthepowercord.
3. Checkthepowercordfor:
a. Athirdwiregroundconnectoringoodcondition.Useametertomeasure
thirdwiregroundcontinuityfor0.1ohmorlessbetweentheexternal
groundpinandtheframeground.
b. Th epowercordshouldbethetypespecifiedinthepartslist.
c. Insulationmustnotbefrayedorworn.
4. Checkforcrackedorbulgingbatteries.
5. Removethecover.
6. CheckforanyobviousnonLenovoalterations.Usegoodjudgmentastothe
safetyofanynonLenovoalterations.
7. Checkinsidetheunitforanyobviousunsafeconditions,suchasmetalfilings,
contamination,waterorotherliquids,orsignsoffireorsmokedamage.
8. Checkforworn,frayed,orpinchedcables.
9. Checkthatthepowersupplycoverfasteners(screwsorrivets)havenotbeen
removedortamperedwith.
Safety inspection guide