Wilo Yonos GIGA2.0-I Einbau- Und Betriebsanleitung Seite 210

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7. Push the front retaining ring (Fig. I, Item 36a) onto the pump shaft.
8. Insert new O-ring (Fig. I, Item 19).
9. Insert the motor/drive with impeller and shaft seal into the pump housing. Screw in the
flange screws (Fig. I, Item 29), but do not finally tighten them yet.
⇒ Version DN 100 ... DN 125, to 4.0 kW, Fig. II
10. Insert the new stationary ring (Fig. II, Item 26) into the lantern piece. Carefully push the
lantern over the shaft and position it in the old position or another desired angular posi-
tion relative to the motor flange. Observe permitted installation positions of the com-
ponents (see section "Permitted installation positions and change of the arrangement of
components before installation" [" 130]).
11. Screw in the screws (Fig. II, Item 10 and Item 10a). However, do not tighten the screw
(Item 10) completely.
12. Pull the new mechanical seal (Fig. II, Item 25) onto the shaft. Avoid damaging the mech-
anical seal by jamming it.
13. Install the impeller with washer(s) and nut, countering at the impeller's outer diameter
while doing so.
14. Clean the lantern groove and insert the new O-ring (Fig. II, Item 19).
15. Attach motor impeller unit to the transport lugs with suitable lifting equipment for pro-
tection. When attaching, avoid damaging plastic parts such as the fan wheel and the up-
per part of the electronic module.
16. Insert the motor impeller unit (see Fig. 4) into the pump housing in the old or another
desired angular position. Observe permitted installation positions of the components
(see section "Permitted installation positions and change of the arrangement of com-
ponents before installation" [" 130]).
17. Once the lantern guide has firmly engaged, (about 15 mm before the end position),
there is no longer any danger of tipping or tilting. After securing the motor impeller unit
with at least one screw (Fig. II, Item 29), the fixation can be removed from the transport
lugs.
18. Screw in the screws (Fig. II, Item 29). The motor impeller unit is drawn into the pump
housing whilst the screws are being screwed in.
⇒ Version DN 100 ... DN 125, 5.5 kW to 7.5 kW, Fig. III
19. Insert new stationary ring (Fig. III, Item 26) into the lantern.
20. Push the new mechanical seal (Fig. III, Item 25) onto the shaft. Avoid damaging the
mechanical seal by jamming it.
21. Push the new spacer (Fig. III, Item 20) onto the shaft.
22. Insert an open-end wrench (SW32 mm) into the lantern window (Fig. III, Item 38) and
hold the shaft by the wrench flats. Install impeller with discs and nut and tighten nut.
23. Clean the lantern groove and insert the new O-ring (Fig. III, Item 19).
24. Attach motor impeller unit to the transport lugs with suitable lifting equipment for pro-
tection. When attaching, avoid damaging plastic parts such as the fan wheel and the up-
per part of the electronic module.
⇒ The following applies for all 3 versions:
25. If the electronic module was dismantled, it must now be reassembled. See "Replacing
the electronic module" [" 212] section
CAUTION
Damage due to incorrect handling!
While screwing in the screws, check the rotatability of the shaft by turning
it slightly. To do this, insert an Allen key through the opening in the fan
cover (Fig. 5). If the shaft is difficult to move, tighten the screws altern-
ately and diagonally.
Installation and operating instructions • Wilo-Yonos GIGA2.0-I/-D • Ed.01/2023-03