InstallingHydraulicHosesandTubes(O-RingFaceSeal)
(continued)
Hose/TubeInstallationTorqueTable
FittingDashSizeHose/TubeSideThreadSize
(inch)—threadsperinch)
InstallationTorque
4
9/16—1825to29N∙m(18to22ft-lb)
6
11/16—1637to44N∙m(27to33ft-lb)
8
13/16—1651to63N∙m(37to47ft-lb)
101—14
82to100N∙m(60to74ft-lb)
12
1–3/16—12116to142N∙m(85to105ft-lb)
16
1–7/16—12150to184N∙m(110to136ft-lb)
20
1–11/16—12190to233N∙m(140to172ft-lb)
FlatsFromWrenchResistanceTable
Size
FFWR
4(1/4inchnominalhoseortubing)1/2to3/4
6(3/8inch)1/2to3/4
8(1/2inch)1/2to3/4
10(5/8inch)1/2to3/4
12(3/4inch)1/3to1/2
16(1inch)1/3to1/2
5.Ifatorquewrenchisnotavailableorifspaceattheswivelnutpreventsthe
useofatorquewrench,usethealternativeprocedureFlatsFromWrench
Resistance(FFWR)givenbelow.
A.Useawrenchtotightentheswivelnutontothettinguntilyoufeellight
resistancewiththewrench—approximately3.39N∙m(30in-lb).
B.Putamarkontheswivelnutandbodyofthetting(item1inFigure
32).Ifconnectingahose,holdthehoseinalignmentwithawrenchto
preventthehosefromturning.
C.UseawrenchtotightenthenuttothecorrectFlatsFromWrench
Resistance(compareitems2and3inFigure32).
HydraulicSystem:GeneralInformation
Page5–8
Groundsmaster
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5900&5910
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