Flowserve PSS II User Manual

Supplementary PSS II and III

For Goulds 3410 Pumps

Installation

Instructions

Experience In Motion

Installation of a PSS II and III on a Goulds 3410 Pump can be simplified
by following the supplemental instructions below. These instructions
should be used in conjunction with the standard PSS II and III Installation
Instructions.

1. After making the appropriate checks and prior to installing the seal,
remove the slingers on the 3410 S and L models (reference Table 1).
If a labyrinth is used on the bearing frame, the seal will not fit. Check
the minimum distance required for PSS II and III installation in Table 1.

Table 1

Pump Model 3410 S 3410 M 3410 L 3410 XL
Sleeve Diameter 1.750" 2.125" 2.750" 3.000"

and Seal Size
Must Slinger Be Yes No Yes No

Removed?
Must Centering Yes Yes Yes No

Devices Be Removed?

1

Bolt Size and Length
Recommended long long long long

Number of Bolts 2 2 2 2
Distance from Stuffing 2.38" 2.69" 2.55" 2.94"

Box to Slinger
Distance from Stuffing 2.54" 2.74" 2.70" 3.09"

Box to Bearing Frame*
Distance from Stuffing - 2.44" 2.18" -

Box to Labyrinth
Minimum Distance 2.40" 2.62" 2.62" 2.62"

Required For
PSS II and III Installation* *

*This is an approximate dimension which varies from pump to pump.
**Assumes that the centering devices are removed.

/2" x 2"

1

/2" x 21/4"1/2" x 21/4"1/2" x 21/4"

2. If there is no drain hole in the bottom of the cradle, drill one.

3. Install the seal drive, rotating face, and stationary face per the
standard instructions. Reference FIS145eng, PSS II Installation
Instructions and FIS175eng, PSS III Installation Instructions.

4. Prior to gland installation, remove the gland centering devices from
seals being installed in the 3410 S, M, and L models (reference Table 1).

© Copyright 2005 Flowserve Corporation

2

Bearing Housing Bolts

Figure 1

Figure 2

5. Assemble the gland
halves around the
seal but do not yet bolt
the gland to the pump.

6. Remove the bolts
holding the bearing
housing, Figure 1.

7. Install both gland
bolts. Install the lower
bolt by rotating the
bearing housing 90
degrees for easier
access. See Figure 2.
Tighten the bolts
evenly with the gland
visually centered. Use
a crow foot-wrench to
tighten the lower bolt.
See Figures 3 and 4.
Draw the bolts up
evenly. Finger tight
plus one half turn is
usually adequate.

Figure 3

Figure 4

8. Reinstall the bearing
housing bolts and
complete the PSS II
or III installation per
the standard installa­tion instructions.

3

TO REORDER REFER TO
B/M #

.

F.O

USA and Canada

Flowserve Corporation

Flow Solutions

Kalamazoo, Michigan USA

Telephone: [phone]

Telefax: 1 269 382 8726

FIS146eng REV 06-05 Printed in USA

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selected, this Flowserve product is designed to perform its intended function safely during its useful life. However, the
purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications
under a wide variety of industrial service conditions. Although Flowserve can provide general guidelines, it cannot
provide specific data and warnings for all possible applications. The purchaser/user must therefore assume the ultimate
responsibility for the proper sizing and selection, installation, operation, and maintenance of Flowserve products. The
purchaser/user should read and understand the Installation Instructions included with the product, and train its employees
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contained herein is to be construed as a warranty or guarantee, express or implied, regarding any matter with respect to this
product. Because Flowserve is continually improving and upgrading its product design, the specifications, dimensions and
information contained herein are subject to change without notice. Should any question arise concerning these provisions, the
purchaser/user should contact Flowserve Corporation at any one of its worldwide operations or offices.

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