Product Manual A

Maintenance

64 MTP4000-6000DZV/DZD Operating Manual 31609 A

8. The vacuum pump support table and seal oil reservoir can now be unbolted and removed if desired.

Figure 25 - Diaphragm Vacuum Pump Cross-section

1. Valve stud 24. Locknut

2. Suction and exhaust valve 25. Lock washer

3. Actuator valve 26. Crankshaft bearing

4. Stop cock 27. O-ring (pedestal)

5. Actuator neck seal 28. Connecting rod

6. Actuator shaft 29. Fulcrum pin

7. Grease relief valve 30. Fulcrum pin bearing

8. Actuator shaft bearing 31. Internal lip seal

9. Pedestal bearing 32. Wiper lip seal

10. Retaining ring (2) 33. Suction nozzle

11. Pedestal 34. Suction nozzle gasket

12. Drive end bearing 35. Suction and exhaust valve (2)

13. Speed-sleeve location 36. Actuator seal

14. Shaft key 37. Actuator

15. Crankshaft 38. Actuator washer

16. Lip seal 39. Actuator lock screw

17. Drive end cover 40. Exhaust nozzle

18. Bearing housing 41. Inspection plate gasket

19. View gauge (2) 42. Inspection plate

20. O-ring (bearing cover) 43. Pipe plug (remove to add oil)

21. Shims 44. Adapter

22. O.D.E bearing 45. Breather disc

23. O.D.E. bearing cover 46. Breather (bearing housing)

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