Flowserve Single Outside Seal Bedienungsanleitung PDF herunterladen (Seite 5)

3 Double Suction and Multistage Horizontal Split Case

Pumps (2 boxes)

3.1 Lubricate the shaft orsleevelightlywithsiliconelubricant

providedwiththesealbeforeinstallinganysealparts.

3.2 Lightly lubricate the O-ring or Duraex stationary seat

gaskets. WhereastationaryfacehasanO-ringmountingonthe

shoulder,itisusuallybettertonestthisO-ringintheglandcavity

beforeinstallingtheface.Otherstationaryfaceseatgasketscan

beassembledonthestationaryfaceshoulder.

3.3 Press the stationary face into the gland withthesealingface

orientatedtowardtheoutboardsideofthegland,facingtherotating

face.Usehandpressureonly.

3.4 Position the glandovertheshaftorsleevesothattheglandor

stationaryfacepilotisproperlyengagedandthestationaryface

sealingfaceisfacingout.Donotbumpthestationaryfaceagainst

theshaftasitmaychip,crack,orbreak.Tighten the gland stud

nutsevenlyinadiagonalsequence.Donotovertightenthegland

nuts.Excessiveglandnutpressurecandistortthestationaryface.

3.5 Adjust the bearings, coupling, and impeller sothattheshaftis

initsoperatingaxialposition.Anysubsequentaxialadjustmentof

theshaftrequiresresettingofthesealrotatingassembly.

3.6 Install the rotating face gasket O-ringintotheboreoftherotating

face.

3.7 Engage the rotating assembly consistingofthespringholder,

springs,andsealdrivewiththerotatingfacetoformtherotating

assembly.Besureanydrivepinsinthesealdriveringengagethe

slotsintherotatingface.Thisisthecompleterotatingassembly.

HandlePTFEU-cupringsandDuraterotatingfacegasketswith

extremecare,PTFEU-cupringsmustbeassembledindividually

andnotpushedontheshaftorsleevewhiletheyarepartofthe

rotatingfacerotatingassembly.Avoidnickingorpinchingeitherlip

oftheU-cupring.UsebothU-cuprings,theyworktogethertoform

aneffectiveseal.

3.8 Install the rotating seal component partsontheshaftorsleeve

inthepropersequencewiththefaceoftherotatingfacefacingthe

sealingfacethatisinthegland.Useaslighttwistingmotionforany

completerotaryunitcontainingO-ringrotatingfacegasket.

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Flowserve Single Outside Seal Bedienungsanleitung Seite 5