Service Manual

ThinkSafetyFirst(continued)
Batteryacidispoisonousandcancauseburns.Avoidcontactwithskin,eyes
andclothing.Batterygasescanexplode.Keepcigarettes,sparksandames
awayfromthebattery.
Avoidinjuryduetoinferiorparts…
Useonlyoriginalequipmentpartstoensurethatimportantsafetycriteriaaremet.
Avoidinjurytobystanders…
Alwayscleartheareaofbystandersbeforestartingortestingpowered
equipment.
Avoidinjuryduetoprojectiles…
Alwayscleartheareaofsticks,rocksoranyotherdebristhatcouldbepickedup
andthrownbythepoweredequipment.
Avoidmodications…
Neveralterormodifyanypartunlessitisafactoryapprovedprocedure.
Avoidunsafeoperation…
Alwaystestthesafetyinterlocksystemaftermakingadjustmentsorrepairson
themachine.RefertotheElectricalsectioninthismanualformoreinformation.
Avoidelectricalshock…
Nevertouchelectricalwiresorcomponentswhiletheengineisrunning.They
canbesourcesofshock.De-energizethesystemifyouarehavingtodorepairs.
Iftestingelectricalcomponentsensureyouareworkinginadryenvironment.
HydraulicSystem...
Releaseallpressureinthehydraulicsystembeforeperforminganyworkon
thesystem.Keepyourbodyandhandsawayfrompin-holeleaksornozzles
thatejecthydraulicuidunderhighpressure.Donotuseyourhandstosearch
forleaks.Hydraulicuidescapingunderpressurecanhavesufcientforceto
penetrateundertheskinandcauseseriousinjury.Seekmedicalattentionright
awayifhydraulicuidgetsintheskin.
PersonalProtectiveEquipment…
Tiebacklonghair,anddonotwearlooseclothingorjewelry.Useappropriate
personalprotectiveequipment(PPE)forprotectingyourselffrompotential
hazardsintheenvironmentinwhichyouwillwork.Eachprocessoutlinedinthis
manualmayneeddifferentPPEtoprotecttheserviceperson.Usetheproper
PPEforthetaskathand.
Tools…
Alltoolsshouldbeinproperworkingorder.Donotusetoolsthatarebrokenorin
disrepair.Usethepropertoolfortheproperapplication.
Lifts,Hoists,andJacks…
Alllifts,hoists,andjacksshouldbeusedinaccordancewiththemanufacturer
information.Inspectlifts,hoists,andjackspriortouse.Donotoverloadlifts,
hoists,andjacks.Donotworkunderasuspendedload.Ensurechockblocks
areusedonequipmentthatcanmove.Useliftsorjacksandjackstandsthat
areratedtosupportthetotalweightofthemachineandanyattachments.Do
notrelyonjackstosupportthemachine.Ifyouareunsureoftheoperationof
anylifts,hoists,andjacksdonotuse.
FireExtinguishers…
POWERCLEAR®721/821SnowthrowerServiceManual
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Safety:SafetyInstructions
3438-776RevA