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8.3 Protective equipment
Inspections to be carried out:
• Checktheprotectiveequipmentusedon/inthevicinityoftherescuedevice.Payparticular
attentiontotheprotectivecoverforthemovableparts(theremaybenocracks!).
Theairsuctionlteristobecheckedatleastonceayearorafteruseinadustyenvironment.
Thelter can bechecked from theoutside if the mains unit (or battery) is removed (see
illustrationsbelow).
Ifthelterisseverelycontaminated,itwillneedtobereplaced.
Procedure:
1. Tilttherespectivedeviceasshownintheillustration.
2.Removethebatteryorthepowersupply.
3.Removetheltergridbyactivatingthereleasehook.
4.Replacethedirtylterelementswithnewlterelements.
8.4 Checking the lter in the battery shaft
Releasehook
Functional test
• Easyopeningandclosingofstargripcontrols,
• Nounusualnoises
• No further movement of cutter arms when interrupting the valve function during the
process(deadman'sswitch).