Screw Tightening Torques; Installation Instructions; Faults, Causes And Remedies - Wilo CronoLine-IL 250 Série Notice De Montage Et De Mise En Service

9.4

Screw tightening torques

10

Faults, causes and remedies

Installation and operating instructions Wilo-CronoLine IL 250...
Screw connection
Impeller
M20
—
Shaft
Pump housing
M16-8.8
—
Lantern
Lantern
M16
—
M20
Motor
Retaining
washer
M16
—
Impeller shaft
Retaining
M20
washer
Motor shaft
Baseplate
M16
—
Pump housing
Coupling
M12-10.9
(2 versions
M16-10.9
possible)
Mechanical seal
M10
—
Lantern
Mechanical seal
M6
(Twist guard)
Only have faults remedied by qualified personnel. Observe the
safety instructions at chapter 9 "Maintenance" on page 38 .
• If the malfunction cannot be rectified, consult a specialist techni-
cian or the nearest customer service or representative office.
English
Tightening Installation
torque instructions
Nm ± 10 %
100
• Tighten
160
evenly and
diagonally
100
160
60
60
100
• Tighten
100
evenly and
230
diagonally
35
7
43