KSB Trialine, Инструкция по установке и эксплуатации

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7.4.2 Preparing the pump set
1. Disconnect the power supply (e.g. at the motor).
7.4.3 Dismantling the complete pump set
NOTE
The pump casing can remain installed in the piping for further dismantling.
✓
The notes and steps stated in (
⇨
Section 7.4.1 Page 24) to (
⇨
Section 7.4.2 Page
25) have been observed/carried out.
1. Disconnect the discharge and suction nozzles from the piping.
2. Depending on the pump/motor size, remove the supports from the pump set.
3. Remove the complete pump set from the piping.
7.4.4 Removing the back pull-out unit
WARNING
Back pull-out unit tipping over
Risk of squashing hands and feet!
▷
Suspend or support the back pull-out unit at the pump end.
✓
The notes and steps stated in (
⇨
Section 7.4.1 Page 24) to (
⇨
Section 7.4.3 Page
25) have been observed/carried out.
1. If required, suspend or support the back pull-out unit to prevent it from tipping
over.
2. Undo nut 920.2 (with bolted discharge cover) or 920.1 (with clamped discharge
cover) at the volute casing.
3. Pull the back pull-out unit out of the volute casing.
4. Remove and dispose of gasket 400.1.
5. Place the back pull-out unit on a clean and level surface.
7.4.5 Removing the impeller
✓
The notes and steps stated in (
⇨
Section 7.4.1 Page 24) to (
⇨
Section 7.4.4 Page
25) have been observed/carried out.
✓
The back pull-out unit is kept in a clean and level assembly area.
1. Undo impeller nut 920.5 (right-hand thread).
Take washer 930 and disc 550.1 off the impeller hub.
2. Remove impeller 230 with an impeller removal device.
3. Place impeller 230 on a clean and level surface.
4. Remove key 940 from shaft 210.
7.4.6 Removing the mechanical seal
✓
The notes and steps stated in (
⇨
Section 7.4.1 Page 24) to (
⇨
Section 7.4.5 Page
25) have been observed/carried out.
✓
The back pull-out unit is kept in a clean and level assembly area.
✓
Impeller 230 has been removed.
1. Remove shaft sleeve 523 with the rotating part of the mechanical seal (spring-
loaded ring) from shaft 210.
2. Unscrew hexagon nuts 920.3 and 920.1 on drive lantern 341.
3. Remove discharge cover 163 from drive lantern 341.
Mechanical seal without
shaft sleeve
7 Servicing/Maintenance
Trialine / Trialine Z 25 of 36