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908
Fig. 20: Forcing screw
Pumps with impeller F AmaPorter F 50_/60_
42 of 62
7 Servicing/inspection
Pump with impeller F
AmaPorter F 50_/60_
1. Remove screws 914.16. Remove suction cover 162.
2. Remove the back pull-out unit from the pump.
3. Secure the shaft and remove impeller 230.
AmaPorter F 51_/52_/61_/62_/82_
1. Remove screws 914.16. Remove suction cover 162.
2. Undo and remove the fastening screw of impeller 914.10 (M8) and disc 550.23.
The impeller has a tapered fit for fastening on the shaft.
3. Use the M10 forcing thread to undo and remove the impeller. Screw in the jack
as shown in the drawing below. Remove impeller 230.
Pump with impeller S
1. Remove suction cover 162 with screws 914.16 as well as ring 500 with screws
914.07.
2. Take off impeller screw 914.10 and impeller body 23-7.
3. Use the M10 forcing thread provided in the centre of impeller type S to loosen
and remove the impeller.
Screw in the jack as shown in the drawing below. Remove the impeller.
NOTE
The forcing screw is not included in the scope of supply. It can be ordered
separately from KSB.
7.4.4 Removing the mechanical seal and motor section
Proceed as below to remove the rotor unit parts in the following sequence:
ü The oil has been drained. (ð Section 7.2.2.1.4, Page 40)
1. Press mating ring 433.02 out of bearing bracket 330 and off shaft 210.
2. Remove circlip 932.04.
3. Take bearing bracket 330.
4. Pull off rolling element bearing 321.02.
5. Pull off rolling element bearing 321.01.
6. Pull off lip seal 421.
AmaPorter F 51_/52_/61_/62_/82_
ü The oil has been drained. (ð Section 7.2.2.1.4, Page 40)
1. Undo and remove screws 914.74 at bearing bracket 330.
2. Remove rotor unit from pump casing 100 and dismantle in the following
sequence:
3. Press mating ring 433.02 out of bearing bracket 330 and off shaft 210.
4. Remove circlip 932.04.
5. Take bearing bracket 330.
6. Remove circlip 932.03.
7. Slide the primary ring of mechanical seal 433.01 off shaft 210.
8. Pull off mating ring carrier 476 and mating ring of mechanical seal 433.01.
Take mating ring 433.01 out of mating ring carrier 476.
9. Remove circlip 932.02.
10. Pull off rolling element bearing 321.02.
11. Pull off rolling element bearing 321.01.
AmaPorter
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