English
Installation and operating instructions Wilo-VeroLine-IP-E, VeroTwin-DP-E
99
14. Push the counter ring of the mechanical seal out of seating in the
motor flange and then clean the seating surfaces.
15. Clean the seating surfaces of the shaft carefully.
Installation
NOTE:
For the following steps, observe the screw tightening torque speci-
fied for the respective thread type (see Tab. 9 “Screw tightening tor-
ques” below).
16. Insert the new stationary ring.
17. Push the new mechanical seal (Fig. 6, Item 1.21) onto the shaft.
Avoid damage to the mechanical seal due to jamming.
18. Push the new spacer (Item 1.22, see “Tab. 11: Spare part compo-
nents” on page 109) onto the shaft.
19. Push the rear retaining ring (Fig. 6, Item 1.12) onto the pump
shaft.
20. Mount the impeller (Fig. 6, Item 1.11) onto the shaft.
21. Push the front retaining ring (Fig. 6, Item 1.12) onto the pump
shaft.
22. Insert a new O-ring (Fig. 6, Item 1.13).
23. Insert the motor/drive with impeller and shaft seal into the pump
housing and fasten using the flange screws (Fig. 6, Item 1.4).
NOTE:
If a differential pressure sensor is installed on the pump, fix it in place
again when you fasten the flange screws.
NOTE:
Observe the measures for commissioning (chapter 9 “Commission-
ing” on page 93).
24. Reclamp the connection cable of the differential pressure sensor/
power cable if it was disconnected.
25. Open the shut-off devices in front of and behind the pump.
26. Reset the fuse.
Screw tightening torques
Tab. 9: Screw tightening torques
10.2.2 Replacing the motor/drive
• Carry out steps 1 to 7 to dismantle the motor/drive in accordance with
chapter 10.2 “Maintenance work” on page 98.
• Remove the screws (Fig. 6, Item 7.4) and tooth lock washers (Fig, 6,
Item 7.5) and pull the electronic module vertically upwards (Fig. 6).
• When installing the motor, follow steps 22 and 23 in chapter 10.2
“Maintenance work” on page 98.
Part
Fig./Item
Screw (nut)
Thread
Tightening torque
Nm
± 10%
(if not otherwise speci-
fied)
Installation infor-
mation
Pump housing
—
Motor
Fig. 6/Item 1.4
M6
M10
20
35
Tighten evenly and
diagonally
Control terminals
Fig. 23/Item 4
-
0.5
Power terminals
Fig. 24/Item 7
-
0.5
Cable clips
Fig. 2
-
0.5
Electronic module
Fig. 6/Item 7
M5
4.0
Module cover
Fig. 3
M4
0.8
Summary of Contents for VeroLine-IP-E
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