11. Remove bearing bracket housing 355.
12. Pull out rotor 818.
13. Remove circlip 932.01.
14. Remove circlip 932.02.
15. Pull off the two rolling element bearings 321.
7.4.4.2 Removing the mechanical seal and motor section
✓
1. Undo and remove screws 914.02 at bearing bracket 330.
2. Remove rotor unit 818 from bearing bracket 330.
3. Push seat ring 433.02 out of bearing bracket 330.
4. Remove circlip 932.02.
5. Take bearing bracket 330 off rotor 818.
6. Remove circlip 932.03.
7. Remove spring-loaded ring 433.01.
8. Pull off seat ring holder 476.
9. Take seat ring 433.01 out of seat ring holder 476.
10. Remove circlip 932.01.
11. Extract rolling element bearing 321.02.
12. Extract rolling element bearing 321.01.
7.5
Reassembling the pump set
7.5.1 General information/Safety regulations
CAUTION
Improper reassembly
Damage to the pump!
▷
Reassemble the pump (set) in accordance with the general rules of sound
engineering practice.
▷
Use original spare parts only.
NOTE
Before reassembling the motor section, check that all joints relevant to explosion
protection (flamepaths) are undamaged. Replace any components with damaged
flamepaths. Refer to the "Flamepaths" annex for the position of the flamepaths.
Always reassemble the pump set in accordance with the corresponding general
assembly drawing.
▪
O-rings
– Check O-rings for any damage and replace by new O-rings, if required.
▪
Assembly adhesives
– Avoid the use of assembly adhesives, if possible.
For reassembly, tighten all screws and bolts as specified in this manual. (
Sequence
Seal elements
Tightening torques
7 Servicing/Maintenance
44 of 66
Amarex® N
Goodnal STP ST041 Biological Treatment (KSB WAS PUMP 1 & 2 PU-0530-010 OM Instructions) Vendor Manual
Q-Pulse Id VM381
Active 29/10/2013
Page 46 of 76
