Case IH FARMALL 45C CVT - Hydraulic System Components and Maintenance

INTRODUCTION
HydraulicHosesandTubes
NOTE:Tighteningthejointtothepropertorquewillkeepitleakfree,andpreventitfromdamagingthehoseortting.
Alwaysreplacehosesandtubeswithdamagedconeendsortheendconnections.
Wheninstallinganewhose,looselyconnecteachendandmakesurethehosetsitsdesiredlocation,withoutkinking
ortwisting,beforetighteningtheconnection.Tightennon-swivelendofhoserstifapplicable.Tightenthehose
clampsenoughtoholdthehosewithoutchangbutnotsotightastocrushtheends.
Keepthehosesandtubesclearofmovingpartsandreplaceanyhosesandttingsthathavemovedfromtheiroriginal
positionsovertime.Ahosewithachafedoutercoverwillallowmoisturetogetintothesystem.Concealedcorrosion
ofthewirereinforcementwillthenoccuralongthehoselengthandresultinhosefailure.
Ballooningofthehoseindicatesinternalleakageasthehosedeteriorates.Thisconditioncanrapidlyleadtohose
failure.
Kinked,crushed,stretchedordamagedhosesgenerallysufferinternalstructuraldamagethatrestrictsuidow,re-
ducesperformanceandultimatelycausesthehosetofail.
Donotallowfreemoving,unsupportedhosesortubestotoucheachotherorrelatedworkingsurfaces.Thiscauses
changandreduceslinelife.
NationalPipeThread(NPT)Fittings
Beforeinstallingandtighteningpipettings,cleanthethreadswithacleaningsolventorLoctite®brandcleaner.Apply
theappropriateLoctite®brandsealanttoallttingsincludingstainlesssteel,unlessasotherwisestated.Generally
Loctite®567™canbeusedforallttingsincludingstainlesssteel.Loctite®565™isusedformostmetalttings.For
highltration/zerocontaminationsystemsuseLoctite®545™.
NPTPIPEFITTINGTORQUECHART
ThreadSizeTorque(Maximum)
1/8"-2713Nm(10lbft)
1/4"-1816Nm(12lbft)
3/8"-1822Nm(16lbft)
1/2"-1441Nm(30lbft)
3/4"-1454Nm(40lbft)
PIPEFITTING
Nom.SAEDashSizeThreadSizeTFFT(TurnsForFingerTight)
-2
1/8-27
2.0-3.0
-4
1/4-18
2.0-3.0
-6
3/8-18
1.5-3.0
-8
1/2-14
2.0-3.0
-12
3/4-14
2.0-3.0
-16
1-11-1/2
1.5-2.5
-20
1-1/4-11-1/2
1.5-2.5
-24
1-1/2-11-1/2
1.5-2.5
-32
2-11-1/2
1.5-2.5
Applysealant/lubricanttomalepipethreads.Thersttwothreadsshouldbeleftuncoveredtoavoidsystemcontam-
ination.Screwpipettingintofemalepipeporttothengertightposition.Wrenchtightenttingtotheappropriate
turnsfromngertight(TFFT)shownintableabove,makingsurethetubeendofanelboworteettingisalignedto
receiveincomingtubeorhosetting.
InstallationofAdjustableFittingsinStraightThreadORingBosses
1.LubricatetheOringbycoatingitwithlightoilorpetroleumjelly.InstalltheOringinthegrooveadjacenttothe
metalbackupwasherwhichisassembledattheextremeendofthegroove.
2.InstallthettingintotheSAEstraightthreadbossuntilthemetalbackupwashercontactsthefaceoftheboss.
NOTE:Donotovertightenanddistortthemetalbackupwasher.
3.Positionthettingbyturningout(counterclockwise)uptoamaximumofoneturn.Holdingthepadofthetting
withawrench,tightenthelocknutandwasheragainstthefaceoftheboss.
4.Whenhoseendsorconnectorsaremadeofmaterialsotherthansteel,differenttorquevaluesmayberequired.
4785194503/02/2016
34