3. Evenly tighten screwed connection 920.01 between pump casing and bearing
bracket.
CAUTION
Axial displacement of the rotor
Damage to shaft seal and bearings!
▷
Always adjust and check the axial clearance with the pump set in vertical
position.
4. Use a rubber mallet to push casing wear ring 502 in until it is close to impeller
230.
5. Suspend the pump set vertically, as illustrated.
6. Lift off the pump set and adjust the axial clearance to 0.3 ± 0.1 mm.
7.5.2.3.2 Design with wear plate
✓
The shaft, rolling element bearings, mechanical seal and impeller have been
assembled properly.
0.4
+0.2
mm
914.12
412.34
914.24
135
412.33
230
101
Fig. 32: Fitting the wear plate
1. Equip wear plate 135 with two new O-rings 412.33 and 412.34.
2. Insert wear plate 135 into pump casing 101.
3. Fasten wear plate 135 to pump casing 101 with socket head cap screws 914.12.
Fig. 30: Suspending the
pump set
502
904.01 101
230
0,3±0,1 mm
Fig. 31: Fitting the casing
wear ring
7 Servicing/Maintenance
50 of 74
Amarex KRT
Goodnal STP ST041 Sewage Delivery (Amarex KRT Submersible Motor Pump) Vendor Manual
Q-Pulse Id VM362
Active 29/10/2013
Page 52 of 96
