Bell & Gossett P81673 REV I Series 1510 - Manual (Page 34)

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1. Impeller
2. Vent Plug
3. Volute
4. Volute Gasket
5. Coverplate
6. Seal Assembly
7. Bearing Frame
8. Shaft
9. Support Foot
10. Support Foot Capscrews
11. Slinger
12. Bearing Frame Capscrews
13. Shaft Sleeve
14. Impeller Key
15. Impeller Washer
16. Impeller Lock Washer
17. Drain Plug
18. Impeller Capscrew or Nut
Assemble the standard mechanical seal (1510-8G)
1. Lubricate the outer surface of the shaft sleeve, the interior of the stuffing box, and the
seal elastomer with soapy water.
Do not use a petroleum lubricant.
2. Install the stationary element and rotating assembly of the mechanical seal on the
shaft sleeve.
Make sure that the two wearing surfaces face each other and that the rotating half of
the seal is installed closest to the impeller end.
3. Install the seal spring and spring retainer onto the shaft sleeve.
4. Slide the coverplate onto the bearing frame.
5. Apply Dow Corning Silicone Rubber #732 or an equivalent to the shaft at the sleeve
location.
6. Slide the shaft sleeve onto the shaft and spin the sleeve in order to distribute the
sealant.
7. Wipe off any excess sealant.
8. Slide the seal gland on the shaft and make sure that the flat side faces the stuffing box.
Maintenance
32 Series 1510 Installation, Operation, and Maintenance Manual