KSB KWP User Manual

3. Bend open lockwasher 931.02.
4.
Undo hexagon head bolt 901.87.
5. Remove the lockwasher and disc 550.87.
6. Remove impeller 230 with a puller.
7. Place impeller 230 on a clean and level surface.
8. Remove keys 940.01 from shaft 210.
7.4.6 Dismantling the shaft seal
7.4.6.1 Dismantling the mechanical seal
KSB 4K mechanical seal:
✓ The notes and steps stated in (⇨ Section 7.4.1 Page 50) to (⇨ Section 7.4.5 Page
52) have been observed/carried out.
1. Clamp the bearing to the motor-side shaft end in vertical position.
2. Pull off the shaft sleeve with the seat ring and O-ring, using an extractor in the
removal groove in shaft protecting sleeve 524.01.
3. Pull the seat ring out of the shaft sleeve.
4. Undo hexagon head bolts 901.22. Then remove discharge cover 163 with joint
ring 411.10 and spring-loaded ring with secondary seal and spring arrangement
form the bearing bracket lantern.
5. Push the spring-loaded ring with secondary seal out of the casing cover.
6. Undo screws with springs and thrust ring.
7.4.6.2 Dismantling the packed gland
✓ The notes and steps stated in (⇨ Section 7.4.1 Page 50) to (⇨ Section 7.4.5 Page
52) have been observed/carried out.
✓ The back pull-out unit is kept in a clean and level assembly area.
1. Undo hexagon nuts 920.02 at gland follower 452.01.
2. Remove gland follower 452.01.
Watch discs 550.01.
3. Undo hexagon head bolts 901.22. Then remove discharge cover 163 from bearing
bracket lantern 344.
4. Remove discharge cover 163 with gland packing and drip plate 463.01.
5. Remove the gland packing from the packing chamber.
6. Push out neck bush 456.01.
7.4.7 Dismantling the bearings
✓ The notes and steps stated in (⇨ Section 7.4.1 Page 50) to (⇨ Section 7.4.6 Page
53) have been observed/carried out.
1.
Undo hexagon nuts 920.04 and remove bearing bracket lantern 344.
2. Pull shaft protecting sleeve 524.01 with O-ring 412.06 off shaft 210.
3. Bend open and pull off thrower 507.01
4. Undo the socket head cap screw in the coupling hub.
5. Pull the coupling hub off shaft 210 with a puller.
6. Remove key 940.02.
7. Undo socket head cap screws 914.01/914.02. Then remove bearing cover 360.01
with gasket 400.01 and shaft seal ring 421.01 at the pump end.
7 Servicing/Maintenance
KWP
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KSB KWP Specifications

General

Brand	KSB
Model	KWP
Category	Water Pump
Language	English