Tightening Torques - Wilo -CronoLine IL 250 series Einbau- Und Betriebsanleitung

7.5 Tightening torques

Screw connection
Impeller — Impeller-shaft
Pump housing — Lantern
Lantern — Motor
Holding washer –
Impeller shaft
Holding washer –
Motor shaft
Ground plate –
Pump housing
Coupling
Mechanical seal — Lantern
Mechanical seal
(locking screws)
Installation and operating instructions
Wilo-CronoLine IL 250...
Tightening torque
Nm ± 10%
M20
M16
M16
M20
M16
M20
M16
M12-10.9
M10
M6
38
Mounting instructions
100
tighten the screws equally
160
100
160
60
100
oil the joint faces slightly,
tighten the screws equally,
100
keep the gaps equal
between the coupling-halves
40
7
English
crosswise
WILO AG 08/2006