Westermann WR 840 Battery - Maintenance And Servicing; General

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12 Maintenance and servicing
12.1 General
  Allmaintenance,repairandmodicationworkonthe
WR 870isonlytobecarriedoutatastandstilland
  withthepowersupplydisconnectedortheengine
  switched-o.Theproceduredescribedintheopera-
  tingmanualforstoppingthemachinemustbestrictly
  adheredto.
  TheWR 870istobecheckedtoensureitisinasafe
  conditionandsecuredtopreventitrollingaway.
  Thesafetyregulationsinchapter4apply.
  Modicationoforchangestothemachineis/areonly
  permittedafterconsultationwiththemanufacturer.
  Originalreplacementpartsandmanufacturer-authori-
  sedaccessoriesareprovidedforsafety.Theuseof
  otherpartsreleasesthemanufacturerfromliability
  fortheconsequencesthereof.
Note before starting work:
P Checkforexternallyvisibledamageanddefects!Immediatelyreport
 anychanges(includingthoseregardingoperatingbehaviour)tothe
 responsibleservicepersonnel!Ifnecessary,takethemachineoutof
 serviceimmediately!
P Checkthecompletenessandfunctionalityofallaccessories.Worn
 parts,orthosewhosefunctionalityhasbeenimpairedmustbe
 replaced.Replacementpartsmustbeorderedfromthemanufacturer.
P Monitorthecompletenessandlegibilityofalltypeandinformation
 labelsaswellastheoperatingmanual.Replacemissingorillegible
 signsanddocuments.