1of8PMAMechanicalPowerPressesChecklistThroughitsalliancewithOSHA,PMAhasdevelopedthischecklistthateitheronepersonatafacilityorafullsafetycommitteecanusetoidentifyandthinkaboutpotentialsafetyissuesintheplant.Fortheuser’sconvenience,an“actionnotes”sectionisincludedatthebottomofthechecklistsothatanyitemsthatmayneedtobecorrectedorfurtherexploredcanberecorded.Areferencesectionisalsoincludedattheendofthechecklisttoofferadditionalhelpfulresourcesrelatedtothistopic.MechanicalPowerPressGuardingandConstruction,GeneralYesNoN/A1910.217(b)(1)Aremachinecomponentsdesignedandsecuredtominimizehazardscausedbybreakageorreleaseofmechanicalenergy(i.e.brokensprings)?���1910.217(b)(2)Dofrictionbrakesprovidedforstoppingorholdingaslidemovementrequirepowerorforcefromanexternalsourcetocausedisengagement?���1910.217(b)(2)Isbrakecapacitysufficienttostopthemotionoftheslidequicklyandholdtheslideanditsattachmentsatanypointinitstravel?���1910.217(b)(3)(i)Doallfull-revolutionclutchmachinesincorporateasingle-strokemechanism?���1910.217(b)(3)(ii)Onafull-revolutionclutchpress,ifthesingle-strokemechanismisdependentonspringaction,arespringsthecompressiontypedesignedtopreventinterleavingofthespringcoilsintheeventofbreakage?���1910.217(b)(4)(i)Arefoottreadlesguardedagainstunintendedoperation?���1910.217(b)(4)(ii)Isthereanon-slippadonallfootpedals?���1910.217(b)(4)(iii)Arepedalreturnspringsofthecompressiontypeanddesignedtopreventinterleavingofthespringcoilsintheeventofbreakage?���1910.217(b)(4)(iv)Ifpedalcounterweightsareprovided,arethepathsoftravelfortheweightsenclosed?���1910.217(b)(5)(i)Areallhandleveroperatedpressesequippedwithaspringlatchonthelevertopreventaccidentaltripping?���1910.217(b)(5)(ii)Ifmorethanoneoperatingstationisusedonhand-trippedpresses,arealloperatingleversinterlockedtopreventpresstrippingexceptbytheconcurrentuseofalllevers?���1910.217(b)(6)(i)Aretwo-handtripcontrolsprotectedagainstunintentionaloperation?���1910.217(b)(6)(i)Aretwo-handtripcontrolsarrangedandconstructedsothatconcurrentoperationisneededtotripthepress?���2of8MechanicalPowerPressGuardingandConstruction,GeneralYesNoN/A1910.217(b)(6)(ii)Onfull-revolutionclutchpresses,dotwo-handtripcontrolsincorporateananti-repeatfeature?���1910.217(b)(6)(iii)Iftwo-handtripcontrolsareusedonmultipleoperatorpresses,doalloperatorshaveaseparatesetofcontrols?���1910.217(b)(7)(i)Onpart-revolutionclutchpresses,doestheclutchreleaseandthebrakeapplywhentheexternalclutchengagingmeansisremoved,deactivatedorde-energized?���1910.217(b)(7)(ii)Isared-colored“STOP”controlprovidedwiththeclutch/brakecontrol?���1910.217(b)(7)(ii)Doesmomentaryoperationofthe“STOP”controlimmediatelydeactivatetheclutchandapplythebrake?���1910.217(b)(7)(ii)Doesthe“STOP”controloverrideallothercontrols?���1910.217(b)(7)(iii)Withaclutchbrakecontrol,isameansofselecting“Off,”“Inch,”“SingleStroke”andContinuous”(whenthecontinuousfunctionisfurnished)providedtoselectthetypeofoperationofthepress?���1910.217(b)(7)(iii)Isthetypeofpressoperation(Off,Inch,etc.)capableofsupervisionbytheemployer(i.e.byakeyswitchselectorlock)?���1910.217(b)(7)(iv)(a,andb)Isthe“Inch”operatingmodedesignedtopreventhandsinthepointofoperationby:•Requiringtheconcurrentuseofbothhandstoactuatetheclutch?•Beingasinglecontrolprotectedagainstaccidentala...
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