g028240
Figure78
SectionValveManifold
1.Valve-stemseat
7.End-capO-ring(0.796x
0.139inch)
2.Valve-stemassembly
8.BackseatingO-ring(0.676
x0.07inch)
3.Stemport
9.Ballseat
4.Stemretainer10.Manifoldbody
5.OutletttingO-ring(0.737
x0.103inch)
11.Ballvalve
6.Coupling(manifold)12.Couplingassembly
(manifold)
3.Turnthevalvestemsothattheballisinthe
openposition(Figure76A).
Note:Whenthevalvestemisparallelwiththe
valveow,theballslidesout.
4.Removethestemretainerfromtheslotsinthe
stemportinthemanifold(Figure77andFigure
78).
5.Removethestemretainerandvalvestemseat
fromthemanifold(Figure77andFigure78).
6.Reachintothemanifoldbodyandremovethe
valve-stemassembly(Figure77andFigure78).
7.Cleantheinsideofthemanifoldandexterior
oftheballvalve,valve-stemassembly,stem
capture,andendttings.
AssemblingtheManifoldValve
Operatorsuppliedmaterial:Clearsiliconegrease.
Important:Useonlysiliconegreasewhen
assemblingthevalve.
1.ChecktheconditionoftheoutletttingO-rings
(sectionvalvemanifoldonly),endcapO-rings,
backseatingO-rings,andballseatfordamage
orwear(Figure77andFigure78).
Note:ReplaceanydamagedorwornO-rings
orseats.
2.Applysiliconegreasetothevalvestemand
insertitintothevalvestemseat(Figure77and
Figure78).
3.Installthevalvestemandseatintothemanifold
andsecurethestemandseatwiththestem
retainer(Figure77andFigure78).
4.EnsurethatthebackseatingO-ringandtheball
seatarealignedandseatedintotheend-cap
tting(Figure77andFigure78)
5.Installtheend-capttingassemblyontothe
manifoldbodyuntiltheangeoftheend-cap
ttingtouchesthemanifoldbody(Figure77
andFigure78),thenturntheend-capttingan
additional1/8to1/4turn.
Note:Usecautionsoasnottodamagetheend
ofthetting.
6.Inserttheballintothevalvebody(Figure79).
Note:Thevalvestemshouldtinsidetheball
driveslot.Ifthevalvestemdoesnott,adjust
thepositionoftheball(Figure79).
g027565
Figure79
7.Turnthevalvestemassemblysothatthevalve
isclosed(Figure76B)
8.Repeatsteps4and5fortheotherend-cap
ttingassembly.
67