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?

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"

/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).

+ 2 hidden pages