Flowserve Q Series BW Seals - Manual (Page 3)

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2 Assembly of Seal Components
2.1 Prepare rotating assembly for installation. The rotating assembly is comprised of
the spring holder, springs, retaining ring, set screws, rotating face and rotating face
gasket. Examine all parts - clean with alcohol or acetone as needed.
Caution: Consult material safety data sheets for proper handling of alcohol or acetone.
2.1.1 Install the set screws into the spring holder.
Caution: Set screws must not protrude into spring holder’s bore.
2.1.2 Install the springs in the spring pockets of the spring holder.
2.1.3 Align the retaining ring with the drive keys, compress the springs and rotate
the retaining ring so that the notches are no longer aligned with drive keys
to retain springs. Check springs to make sure none are bent over.
2.1.4 Install the rotating face gasket in the recess of the rear of the rotating face.
Lubricate the inside diameter of the rotating face gasket with silicone base
grease only, unless otherwise specified on seal drawing.
2.1.5 Press down rotating face gasket making sure it is retained in the groove
provided.
2.1.6 Install the rotating face in the spring holder with the slots in the face
aligning with the keys.
2.2 The rotating assembly can now be installed on the shaft or sleeve. Use caution
not to dislodge rotating face gasket. See Figure 2.
Installed Seal Assembly on Shaft or Customer’s Sleeve Figure 2
3 Seal Setting for Seal on Shaft or Customer’s Sleeve
For proper seal installation, you must obtain the correct seal assembly drawing for your
application.
3.1 Inspect pump shaft. Clean and remove any burrs, nicks, scratches, etc. which could
cause damage to gaskets when assembling seal.
3.2 Secure the seal assembly in place at its correct seal setting position (SS) by
tightening the rotating assembly set screws. See Figure 2. Refer to the seal
assembly drawing for correct seal setting dimension.
SS
SS