Colasit CMVpro 125, Operating Instructions Manual, Page: 64 / 76

11 | Repair
64 / 76 Operating instructions CMVpro 125-400 | Version 1-en
11.7 Electric motor exchange
Conditions:
• Fan has been prepared for repairs
_
Chap. 11.4 [
}
60].
• Impeller has been removed
_
Chap. 11.5 [
}
61].
Procedure:
• Remove the motor connec-
tion cable from the terminal
box of the electric motor
and protect from damage.
• Support and secure the
electric motor with suitable
supports.
• Loosen mounting nuts on
motor flange.
• Move a heavy electric motor
with suitable hoisting gear.
• Use the lifting eye bolt
on the electric motor for
this purpose.
Fig. 38: Removing the electric motor
Mounting instructions
NOTICE Risk of damage to the electric motor
Damaged motor bearings.
u Protect the motor shaft/bearings from impacts during transport and mount-
ing of the electric motor.
u Observe the instructions in the manual from the motor manufacturer.
• Fasten mounting nuts according to the following table.
• The thread is based on the motor size.
Thread Max. tightening torque
[Nm]
M8 22
M10 45
M12 80
M16 190
• Connect electric motor
_
Chap. 7.4 [
}
44]
• Check motor rotation direction
_
Chap. 8.2.1 [
}
47].
• Conduct test run
_
Chap. 8.2.3 [
}
48].