9
Maintenance
9.6
Replacing the impeller and mechanical seal for
pump
G09869a1
1. Screw cap
2. Cover
3. Impeller
4. Pump body
5. Mechanical seal
(Carbon/Ceramic/Nitrile)
6. Motor flange
7. Shaft
8. Screw stud
9. O-ring
10. Screw
11. Washer
12. Screw
13. Washer
14. Lock screw
15. Sleeve
Dismantling of impeller and mechanical seal
1.
Check that hoses between the cleaning unit
and the tank to clean are removed.
2.
Disconnect the hoses from the pump in-
and outlet.
3.
Place a vessel under the pump to collect
leaking liquid at dismantling.
4.
Remove the front cover (2) and the O-ring
(9).
55
Summary of Contents for Alfie
Page 6: ......
Page 10: ...2 Application ...
Page 18: ...4 Description of main parts ...
Page 20: ...5 Working principle of the separator ...
Page 30: ...6 Control Cabinet ...
Page 47: ...9 Maintenance Dismantling G04491c1 See comments on opposite page 47 ...
Page 53: ...9 Maintenance G0449671 53 ...
Page 54: ...9 Maintenance G0449681 54 ...
Page 60: ...11 Lifting instruction ...
Page 61: ...12 Diagrams 12 1 Electrical system Alfa Laval ref 9014733 Rev 7 61 ...