Flowserve Single Outside Seal Manual de usuario descargar pdf (Pagina 4)

2.5 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mountingscanbe

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

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

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

sealface.Usehandpressureonly.

2.7 Position the glandovertheshaftorsleevewiththestationary

sealingfaceorientatedtowardtherotatingfacesealingface.

 Placetheglandasclosetotherotatingassemblyaspossible.

Donotbumpthestationaryfaceagainsttheshaftasitmaychip,

crack,orbreak.

2.8 Install the pump back-plate and assemble the pump. Position

the gland sotheglandorstationaryfacepilotisproperlyengaged

and tighten the gland stud nutsupevenly,crossstaggeringthe 

adjustmentofthenuts.Theglandnutsshouldbetorquedtoa 

maximumof13N-m(10ft-lbs).Excessiveglandnutpressurecan 

resultindistortionoftheinsert.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rotaryunit.

2.9 Wipe the seal faces cleanwithalcohol.Sealfacesshouldnotbe 

lubricatedbutshouldbeleftcleananddry.

2.10 Position the rotating assembly sothatthesealfacesarein

contactandpositionthespringholdersothatthespringgap(or

bellowsrotaryunitlength)isthatgivenontheassemblydrawing.

Thespringgapdimensionisalsostampedonthespringholder.

Tighten the set screwsrmlyandevenly.

2.11 See paragraph 4, Operational Recommendations beforestarting

pump.

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Flowserve Single Outside Seal Manual de usuario Pagina 4