Elmo Rietschle C-VLR 301 - Manual (Page 23)

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Maintenance and repair
n
2
m
s
5
q
v
k
7.2.3 Coupling
The coupling sprocket (Fig. 7/k)) is subject to wear
and must be checked regularly (at least once a year).
CAUTION
Defective coupling sprocket
Defective sprockets may lead to the rotor shaft
breaking.
To check the coupling switch the motor (Fig. 7/m)
off and ensure that it cannot be switched on again.
Undo the screws (Fig. 7/s
5
) on the motor fl ange. Re-
move the motor with the coupling half on the motor
side (Fig. 7/q) from the fanhousing (Fig. 7/n
2
) axi-
ally and suspend using a lifting tool. If the sprocket
(Fig. 7/k) is damaged or worn, then replace it. The
fan (Fig. 7/v) should also be checked for damage
from time to time and replaced if necessary.
NOTICE
Frequent starting up and high ambient tem-
perature
The service life of the sprocket (Fig. 7/k) is re-
duced.
Re-assemble in reverse order.
Fig. 7 Coupling
k Coupling sprocket
m Motor
n
2
Fan housing
q Coupling half on the motor side
s
5
Screws
v Fan