Xylem FLYGT 2640.181, Service And Repair Instructions, Page: 30 / 72

4.5.6 Remove the mechanical seal: Sludge versions
WS008506A
3
4
5
6
7
8
2
9
10
1
1. Mechanical seal and retaining ring
2. Pressure equalizers
3. O-ring
4. O-ring
5. O-ring
6. Seal housing cover
7. Guide plate
8. Gasket
9. Upper pump housing
10.Upper wear protection
1. Check that the oil has been emptied.
2. Remove the upper pump housing together with the upper wear protection.
The upper wear protection sits inside the upper pump housing. It is not held by
fasteners.
3. Remove the gasket between the upper pump housing and seal housing cover.
4. Remove the guide plate.
5. Remove the seal housing cover.
Use a Dent puller.
NOTICE:
Do not use any method where the shaft is used as counterstay as this may displace the
shaft in relation to the main bearing.
WS002944A
WS003175A
6. Remove the three O-rings on the seal housing cover.
7. Remove the pressure equalizers.
4 Maintenance
28 2640.181/.281 Service and Repair Instructions