Case 721E - Pipe Thread Fitting Torque and Sealant; ORFS Fitting Installation Procedures

INTRODUCTION
Pipethreadttingtorque
Beforeinstallingandtighteningpipettings,cleanthe
threadswithacleansolventorLoctitecleanerandapply
sealantLOCTITE®567™PSTPIPESEALANTforallttings
includingstainlesssteelor
LOCTITE®565™PSTfor
mostmetalttings.Forhighltration/zerocontamination
systemsuseLOCTITE®545™.
Threadsize
Torque(maximum)
1/8-2713N·m(10lbft)
1/4-1816N·m(12lbft)
3/8-1822N·m(16lbft)
1/2-1441N·m(30lbft)
3/4-1454N·m(40lbft)
InstallationofORFS(O-RingFlatSealt-
tings)
WheninstallingORFSttingsthoroughlycleanbothat
surfacesofthettings(1)andlubricatetheO-ring(2)with
lightoil.Makesurebothsurfacesarealignedproperly.
Torquethettingtospeciedtorquelistedthroughoutthe
repairmanual.
NOTICE:Ifthettingsurfacesarenotproperlycleaned,
theO-ringwillnotsealproperly.Ifthettingsurfacesare
notproperlyaligned,thettingsmaybedamagedandwill
notsealproperly.
NOTICE:Alwaysusegenuinefactoryreplacementoils
andlterstoensureproperlubricationandltrationofen-
gineandhydraulicsystemoils.
Theuseofproperoils,grease,andkeepingthehydraulic
systemcleanwillextendmachineandcomponentlife.
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