WARNING
Overheating of the rolling bearings
If
the
roller bearings are not regularly regreased, local overheating may be possible, and, as
a consequence, an explosion in an explosive atmosphere. This can result in death, serious
injury or material damage.
● Regrease the roller bearings regularly according to the lubrication plate.
● Implement bearing temperature monitoring if not yet in existence.
9.2.3 Seal the motor
Extreme caution and attention to cleanliness are vital to installation.
●
Clean all bare joints between parts, e.g. between housings and terminal boxes, and remove
old sealant material.
● Smear bare joints between parts with non-hardening, permanently flexible sealant, such
as "Hylomar M". Follow the manufacturer's application and safety instructions when doing
this.
● Check all sealing elements, such as those on the terminal boxes, for elasticity, aging or
damage, and renew them if they are no longer effective.
WARNING
Damage to the machine possible
Never dismantle
the bearing shields and inner grease chamber cap or loosen the screws
of these parts.
This can result in death, serious injury or material damage.
9.2.4 O-ring seal
If O-ring seals are present, you should check that they are in perfect condition and that the O-
ring seals are properly seated in the grooves between the components. Replace any damaged
O-ring seals.
O-ring seals can be present on the following components, for instance:
● Tapers
● Cable glands
● Bearing seals
● Bearing plate seals
● Terminal box seals
Maintenance
9.2 Corrective Maintenance
LOHER CHEMSTAR 1PS2
100 Operating Instructions 08/2016
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