Faults, Causes And Remedies - Wilo Atmos GIGA-I Einbau- Und Betriebsanleitung

en
11

Faults, causes and remedies

70
13. Slide the forked spacer (Fig. 13, Item 10) between the lantern and coupling. The forked
spacer must sit there without any play.
14. First, slightly tighten the coupling screws until the coupling half-shells are in contact
with the shims.
15. Afterwards, screw the coupling together evenly. In doing so, the specified distance
between the lantern and the coupling of 5 mm is automatically adjusted via the forked
spacer.
16. Remove the forked spacer.
17. Install the coupling guard.
18. Connect the motor cable or mains connection cable.
Always tighten screws diagonally.
Screw connection
Post
1)
Impeller – Shaft
1)
Impeller – Shaft
1)
Impeller – Shaft
Pump housing – Lantern
Lantern – Motor
Lantern – Motor
Lantern – Motor
Lantern – Motor
Lantern – Motor
2)
Coupling
2)
Coupling
2)
Coupling
2)
Coupling
2)
Coupling
Baseplate – Pump housing
Baseplate – Pump support foot
Baseplate – Motor
Supporting block – Pump hous-
ing
Supporting block – Pump sup-
port foot
Supporting block – Motor
Installation information:
1) Lubricate the thread with Molykote® P37 or comparable.
2) Tighten the screws uniformly, keep the gap even on both sides.
Table 9: Screw tightening torques
WARNING
Have faults remedied by qualified personnel only! Observe all
safety instructions!
If the malfunction cannot be rectified, consult a specialist technician or the nearest Wilo
customer service or representative location.
Installation and operating instructions • Wilo-Atmos GIGA-I/-D/-B • Ed.01/2023-06
Shaft size Size/tensile strength
class
D28 M14 A2-70
D38 M18
D48 M24
M16 8.8
M8
M10
M12
M16
M20
M8 10.9
M10
M12
M14
M16
M6 8.8
M8
M10
M12
M16
M20
M24
Tightening
torque
Nm ± 10 %
70
145
350
100
25
35
60
100
170
30
60
100
170
230
10
25
35
60
100
170
350