Lenovo b50-30, 59-426187 [6/88] Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual

Lenovo B50-30/B50-30 Touch/B50-45/ B50-70

Hardware Maintenance Manual

Followthefollowingrulestoensuregeneralsafety:

• Observeagoodhousekeepingintheareawherethemachinesareputduring

andafterthemaintenance.

• Whenliftinganyheavyobject:

1. Makesurethatyoucanstandsafelywithoutslipping.

2. Distributetheweightoftheobjectequallybetweenyourfeet.

3. Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempt

toliftit.

4. Liftitbystandingorpushingupwithyourlegmuscles;thisactioncould

avoidthestrainfromthemusclesinyourback.Donotattempttoliftany

objectthatweighsmorethan16kg(35lb)orthatyouthinkistooheavyfor

you.

• Donotperformanyactionthatcauseshazardstothecustomer,orthatmakes

themachineunsafe.

• Beforeyoustartthemachine,makesurethatotherservicerepresentatives

andthecustomerarenotinahazardousposition.

• Pleaseremovecoversandotherpartsinasafeplace,awayfromallpersonnel,

whileyouareservicingthemachine.

• Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnottripit

over.

• Donotwearlooseclothingthatcanbetrappedinthemovingpartsofthe

machine.Makesurethatyoursleevesarefastenedorrolledupaboveyour

elbows.Ifyourhairislong,fastenit.

• Inserttheendsofyournecktieorscarfinsideclothingorfastenitwiththe

nonconductiveclip,about8centimeters(3inches)fromtheend.

• Donotwearjewelry,chains,metal‐frameeyeglasses,ormetalfastenersfor

yourclothing.

Attention:Metalobjectsaregoodelectricalconductors.

• Wearsafetyglasseswhenyouarehammering,drilling,soldering,cutting

wire,attachingsprings,usingsolvents,orworkinginanyotherconditions

thatmaybehazardoustoyoureyes.

• Afterservice,reinstallallsafetyshields,guards,labels,andgroundwires.

Replaceanysafetydevicethatiswornordefective.

• Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer.

• Fanlouversonthemachinehelptopreventtheoverheatingofinternal

components.Donotobstructfanlouversorcoverthemwithlabelsor

stickers.

General safety