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Shoulder screws 57.2 are designed to hold the rotating portion

of the seal in proper position to the stationary housings during

installation.Thesescrewsmustnotbeturneduntilatleastone

allenscrew57hasbeensetrmlytotheshaft.Onceatleastone

57allenscrewhasbeenrmlysettotheshaftshoulderscrews 

57.2mayberemoved,andifnecessarytheshaftcanberotated

by hand to align the remaining allen set screws to the opening for

tightening.

 Dogpointsetscrew57.1shouldneverberemoved.Theonlyjob

thisscrewdoesisattachthesleevecollartothesleeve.Those

screws will never engage the shaft and must not be backed out

of their threaded hole.

 Thescrewsmaybenumberedwithdifferentnumbers,butthe

procedure is similar.

 Theremaybespecialcustominstallationinstructionsforyour

seal on the face of the assembly drawing.

2.1.7 Inspect your installation. At this point use any visual method

possible to insure that the seal is positioned axially and radially

in the correct position according to the assembly drawing.

2.1.8Attach piping to the seal. Referring to Figure 1 insure that the

barrieruidowandpressureisinjectedintothebarrierinlet(BI)

andthatthebarrieroutlet(BO)isconnectedtoproperpipingto

carryawaythebarrieruidafteritpassesthroughthesealcavity.

2.1.9Ensurethatthebarrieruidcavityislledwithwaterbefore

operatingtheshaft.Thecondensateworksasalubricanttothe

upper and lower seal face sets and without being properly wetted

theywillsquealloudly,orpossiblyevendestroythemselves.

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