English
Installation and operating instructions Wilo-CronoLine IL 250...
43
9.4
Screw tightening torques
10
Faults, causes and remedies
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.
Screw connection
Tightening
torque
Nm ± 10 %
Installation
instructions
Impeller
—
Shaft
M20
100
Pump housing
—
Lantern
M16-8.8
160
• Tighten
evenly and
diagonally
Lantern
—
Motor
M16
M20
100
160
Retaining
washer
—
Impeller shaft
M16
60
Retaining
washer
Motor shaft
M20
60
Baseplate
—
Pump housing
M16
100
Coupling
(2 versions
possible)
M12-10.9
M16-10.9
100
230
• Tighten
evenly and
diagonally
Mechanical seal
—
Lantern
M10
35
Mechanical seal
(Twist guard)
M6
7
Содержание CronoLine IL 250 Series
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