Product Manual

46 Owner’s Manual for Wet-Prime Trash Pumps
Maintenance
Figure 4-3. Self-Prime Pump Cross-Section
1. Clamp bar screw 19. Impeller
2. Pipe plug, .25NPT (2) 20. Lockscrew
3. Check valve mount retainer 21. Impeller washer
4. Suction gasket 22. Mechanical seal
5. Retaining pin 23. Sleeve
6. Discharge flange gasket 24. Lip seal (3)
7. Discharge flange 25. Bearing - pump end
8. Check valve mount 26. Bearing - drive end (double)
9. Suction check valve 27. Shaft
10. Suction flange 28. Bearing cover
11. Cover plate handle 29. Bearing cover gasket
12. Stud 30. Bearing frame
13. Relief valve 31. Breather
14. Cover plate nut 32. Drive end gasket
15. Cover plate adjustment bushing 33. Backplate/bracket
16. O-ring (2) 34. Volute
17. Cover plate 35. Fill plate cover
18. Wear plate 36. Clamp bar
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