
6
3.9 Wipe the seal faces cleanwithalcohol.Sealfacesshouldnotbe
lubricatedbutbeleftcleananddry.
3.10 Position the rotating assembly sothatthesealfacesarein
contactandpositionthespringholdersothatthespringgap(or
bellowsrotaryunitlength)isthatshownontheassemblydrawing.
Tighten the set screws rmlyandevenly.
3.11 See paragraph 4, Operational Recommendations beforestarting
pump.
Note:Sealdesignsincorporatingabushing style stationary face do
notincludeagland.LubricatethestufngboxboreandtheO-ringswith
thesiliconelubricantprovidedwiththeseal.Handpressthebushinginto
theboreofthestufngbox.Followtheaboveproceduresforinstallation
oftherotatingsealcomponents.
4 Operational Recommendations
4.1 Do not start up the equipment dry. Ventairfromthecasingof
thepumpandthestufngboxbeforestart-up.Circulateclean
productoracleanuidfromanexternalsourcethroughthestufng
boxwhenevertheequipmentisinoperation,Plan11or32.
4.2 Ifthesealrunshot,checkforpropersealsetting,sealhousing
dimensions,andcheckthebypassorushlineforobstructions.
Donotallowtheequipmenttorunforanyextendedtimeifthe
sealgetshotorsqueals.
Forspecialproblemsencounteredduringinstallation,contactyour
nearestFlowserveSalesandServiceRepresentativeorAuthorized
Distributor.
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