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4300Catalog Assembly/Installation Triple-LokAssembly Notes: SAE Assembly Tube SwivelNutor Dash Thread Torque*(+10%-0) Connection HoseConnection1. AssemblyTorque:Torquevaluesareforunlubricated Size Size in.lb. ft.lb. FFWR FFWR carbonsteelcomponentsandproperlylubricatedstainless -2 5/16-24 35 2 -- -- steelcomponents.Forstainlesssteel,alubricantsuchas -3 3/8-24 65 5 -- -- PermatexAnti-SeizeLubricantisrecommendedtoprevent -4 7/16-20 130 11 21/2 2 galling. -5 1/2-20 165 14 21/2 2 2. FFWR:TheFlatsFromWrenchResistanceor"Flats" -6 9/16-18 235 20 21/2 2 methodisrecommendedforsteel,stainlesssteeland -8 3/4-16 525 43 21/2 2 brasscomponents. -10 7/8-14 650 55 11/2 11/2 -12 11/16-12 950 80 11/2 11/2 3. TorqueandFFWR:TorquesandFFWRshowninthechart -14 13/16-12 1200 100 11/2 11/2 areforusewiththetubematerials,wallthickness,etc. -16 15/16-12 1400 115 1 11/2 recommendedbyParkerHannifinTubeFittingsDivisionfor -20 15/8-12 1900 160 1 1 usewithParkerTriple-Lokfittings. -24 17/8-12 2250 185 1 1 -32 21/2-12 3000 250 1 1 -40 3-12 -- -- 1 1 TableT20Triple-LokassemblytorquesandFFWR Forbrassfittings,useapproximately65%ofthetorque valuesshown,unlubricated. Triple-Lok Troubleshooting Guide 37° Flare CONDITION PROBABLE CAUSE(S) RECOMMENDATION Tube nut binds to tube flare · Flare too large or tube wall · Flare new tube end using proper flare too heavy diameters Tube nut cannot engage the fitting body Flare is out-of-round · Tube cut at an angle · Re-cut tube, reasonably square, to (lopsided) 90º ± 1º and flare new tube end Nicks, scratches, pock marks · Contaminants on tube ID or · Flare new tube end using proper tube on tube flare of fitting flaring cone/pin prior to flaring preparation techniques · Worn/damaged flaring cone/pin · Assure that flare cone is clean · Poor-quality tube · Replace poor-quality tube Tube crack on flare · Poor-quality welded tube; · Flare new tube end using appropriate work-hardened tube; tube tube (e.g.,fully annealed) and tube not annealed (too hard) cutting methods Tube nut bottoms out before · Unintentional use of 45º flare · Use appropriate 37° flare seats are mated properly tube nut, or tube sleeve was components (body, nut and sleeve) omitted Immediate leakage from tube · Connection may not be · Check joint for appropriate FFWR or nut tightened properly (if at all) torque; retighten as appropriate Tube nut continues to back off · Damaged Fitting · Replace damaged fitting or loosen · Excessive vibration · Re-route or clamp properly · Improper assembly torque · Assemble to appropriate torque Damaged fitting and/or nose · Frequent assembly and · Fitting should be replaced and collapse, flow reduction disassembly or over-tightening tightened properly; avoid frequent assembly/disassembly TableT21--Triple-LokTroubleshootingguide Dimensionsandpressuresforreferenceonly,subjecttochange. T22 ParkerHannifinCorporation TubeFittingsDivision Columbus,Ohio http://www.parker.com/tfd
