Wilo CronoLine-IL Notice De Montage Et De Mise En Service page 60

English
Screw tightening torques
Post
Impeller — shaft
Pump housing —
lantern
Lantern — motor
Coupling
Tab. 5: Screw tightening torques
54
Screw connection
Size/tensile strength class
M10
M12
M16
M20
M14
M18
M24
M16
M20
M8
M10
M12
M16
M20
M6
M8
M10
M12
M14
M16
Tightening torque
Nm ± 10 %
30
60
100
A2-70 100
70
145
350
100
170
25
8.8 35
70
100
170
12
30
60
10.9
100
170
230
Installation
information
Lubricate the thread
with Molykote® P37 or
comparable
Tighten evenly and
diagonally
Tighten the screws
uniformly, keep the
gap even on both
sides
WILO SE 07/2018