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8.8.1144 HyHyddrraauulilic sc sysysttem em / R/ Reepapair ir iinsnstrtruuctctioionns / Hs / Hyydrdrauaulliic sc sysystetemm
Repair instructionsRepair instructions
Hydraulic systemHydraulic system
General rulesGeneral rules
Important!Important!
Cleanliness during all work with hydraulic components is of the greatestCleanliness during all work with hydraulic components is of the greatest
importance for the operating safety and service-life of the importance for the operating safety and service-life of the system. The followingsystem. The following
should be taken into consideration:should be taken into consideration:
•• DiDirt rt parpartiticlcles es mumust st nonot gt get iet intnto to the he cocompmpononenentsts..
•• Do Do nonot ut use se clclotoths hs ththat at shshrered fd fibibreres os or pr partarticicleles.s.
•• OOnnlly y uusse e cclleeaan n ttoooollss..
•• CareCarefufully lly cleclean an tantanksks, p, pipeipes as and nd hohoseses bs befoefore re insinstaltallatlatioion.n.
•• WWeldelded oed or hor hot-bet-bent pnt pipeipes muss must be pt be pickickled led (cl(cleaneaning wing with aith acid bcid bathath) and w) and washasheded
before they are built in.before they are built in.
•• The oThe oil tail tank mnk must bust be see sealealed and and prod providvided wied with ath an efn efficficienient air t air filtfilter to er to preprevenvent dirt dirtt
contaminating the hydraulic system.contaminating the hydraulic system.
•• SealSealing cing compompouounds nds susuch ach as fls flax, cax, cemeement ont or thrr thread ead taptape are e are not pnot permermitteitted.d.
•• TTakake ine into coto consnsididereratatioion thn the spe spececififieied opd opereratatining dag datata..
•• Do nDo not eot excxceeeed pd perermimittetted prd presessusureres as and vnd vololuume fme flolowsws..
•• Do nDo not eot excxceeeed od or go br go belelow tow the she spepecicifiefied ted tempmpererataturure rae rangnge.e.
•• Pay Pay attattenentiotion to sn to specpecifieified eld electectricrical val voltoltageages ans and pod power wer conconsumsumptiption.on.
Note!Note!
All work with the hydraulic system should be carried out in a pressurelesAll work with the hydraulic system should be carried out in a pressureless state ands state and
in a clean environment.in a clean environment.
InstallationInstallation
TTo prevent dirt o prevent dirt and corrosion in the and corrosion in the hydraulic system all hydraulic system all hydraulic components should behydraulic components should be
provided with plastic plugs in provided with plastic plugs in the connections before they are delivered. Only rthe connections before they are delivered. Only removeemove
these plugs just before the component is to be ithese plugs just before the component is to be installed in the machine. Retaining screwsnstalled in the machine. Retaining screws
and connections must correspond with those on and connections must correspond with those on the drawing. Retaining screws should notthe drawing. Retaining screws should not
be tightened with a higher torque than what is specified on the drawing. If such informa-be tightened with a higher torque than what is specified on the drawing. If such informa-
tion is lacking the tion is lacking the torque should not exceed the tightening torque torque should not exceed the tightening torque specified in section 1.specified in section 1.
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