Case CX490D - Cylinders; Plastic and Resin Parts

6-MAINTENANCE
Cylinders
Acylinderrodshouldbeslightlyoily.Checkthatthere
arenoleaksafteraperiodofwork,whenthewhole
hydraulicsystemisatnormaloperatingtemperature.
1.Wipecleantherodandbearingonthecylinderto
becleaned.
2.Operatenormallyfor5–10min.
3.Extendthecylinderrod.
4.Carryouttheleaktest.
RODAPPEARANCETESTCONCLUSION
Dry
Slighttracesofoilwhenapieceofpaperis
wipedover20cm(7.9in)oftherod.
Normal
Slightlygreasy
Paperremainsstucktorodwhenrunoverrod.
Normal
Oily
Paperremainsstuckwhenplacedonrod.
Normal
Veryoilyorweeping
Eachtimethecylinderrodisextended,aringof
oilcanbeseenontherod.
Leakage
Eachtimetherodretracts,theexcessoildrips
fromthegland.
ConsultyourCASE
CONSTRUCTIONDealer
Plasticandresinparts
Useasoft,slightlyhumid,clothtocleanthepanels,the
consoles,andtheswitches.Useasoft,dryclothto
cleantheinstrumentcluster.
NOTICE:donotusegasoline,kerosene,paintsolvents.
Theuseofgasoline,kerosene,paintsolvents,etc.will
causediscoloration,cracksordeformationoftheparts.
6-83