1disassemble and clean – Flowserve PSS II User Manual

Page 3

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, adhe-
sive, grease, etc. Suggested solvents include:

• Loctite X-NMS 768
• Acetone
• Trichloroethane (chlorothene)

Note: Follow all Material Safety Data Sheet (MSDS) recommendations
when handling these fluids.

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 gasketing.

Figure 2