Lukas LC 99 - Operation; Preparatory Measures; Operating the Cutter

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6.1 Preparatory measures
6. Operation
6.2 Operating the cutter
6.1.1 Commissioning
Beforecommissioningandafterrepairs,theequipmentmustbede-aerated.
Procedure:
Thepistonisextendedwhenfreefromloadbyoperatingthehandpump.Thehandpump
mustbepositionedhigher thanthe devicebeing de-aerated.Thenthedrain valveonthe
handpumpisopenedsothatthecylinderretractsviathespringreturn.Thesealingcapon
theoiltankmustbeopen.Theairispressedbackintotheoiltankbytheretractingpistonvia
thehoselineandescapesthroughthesealingcap.
Ifthepistonsmovejerkilywhenretracting,thede-aerationprocessmustberepeated.
6.1.2 Inspection of the hand pump
   Seeseparateoperatinginstructionsforthecorrespondinghandpump.
6.2.1 Cutting
Thebladesmustbepositionedata90°angletotheobjecttobecut.
Operatethepumpleveruntiltheobjecttobecutiscutthrough.
Aftercutting,openthedischargelevertotheleft.
Themovablecuttingjawreturnstoitsinitialposition.
6.2.2 Decoupling of pump and device
Beforeseparating thepump fromthedevice,makesure byopening thedrainvalve,that
thereisnopressureandthatthedevice’spistonisfullyretracted.