Flowserve PSS III Durametallic Manual de usuario descargar pdf (Pagina 4)

1 Disassemble and Clean

1.1 Remove the cap screws from the seal drive and gland.

1.2 Remove the rotating and stationary face halves by lifting the

centerofeachfaceupabovetheirdriveorlockpinsandsliding

the face away from the seal drive or gland.

1.3 Removethespringholderbypullingoutthelockpins.SeeFigure2.

1.4 Soakthepartsinasolvent

to remove the secondary

seals, cap screw retainers and

retaining sleeves, adhesive,

grease, etc. Suggested solvents

include:

 •LoctiteX-NMS768 

•Acetone 

•Trichloroethane(chlorothene)

Note: Follow all Material Safety Data

Sheet(MSDS)recommendationswhenhandlingtheseuids.

1.5 Remove any remaining adhesive by brushing or lightly scraping.

1.6 Washpartsinhotsoapywater.Rinse thoroughly in clean water.

Let parts dry.

Caution: Do not sand or bead blast gasket and joint surfaces in the

seal drive and gland to avoid damaging them. Glue, rubber, or

heavy deposits must be carefully scraped off these surfaces

before installing the gaskets.

2 Ongoing Inspection

During the assembly process follow these inspection procedures to avoid

errors which may not be correctable later.

2.1 Check Adhesion-Gentlytugatthegasketstobesuretheyare

properlysecured.Iftheycomelooseeasily,itislikelythatthe 

surfaces were not adequately cleaned or rinsed. Clean the surface

againandreapplyadhesivepertheinstructions.Applysmalldots

ofadhesiveonlywherespecied.Dotsizeshouldbe1.00 to

2.00 mm (0.040to0.080inch)indiameter.

2.2 Gasket Length-Besurethattherotatingfacegasket,stationary 

faceseatgasket,andsealdrivesleevegasketare0.65to0.90mm

(0.025 to 0.035 inch)longerthanthesurfaceswheretheyend.

See Figure 3. If they are not, reposition them accordingly.

Figure 2

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Flowserve PSS III Durametallic Manual de usuario Pagina 4