Maintenance
9.2 Inspection and maintenance
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 07/2020, A5E41926185A
111
Regreasing
The spent grease chamber is designed to accommodate the spent grease for a computed,
rated service life of 20000 operating hours.
• Clean the grease nipples before regreasing and then gradually press in an appropriate type
and amount of grease, as described on the lubricant plate. The shaft must rotate so that
the new grease can be distributed in the rolling bearing. The rolling bearing temperature
rises sharply at first, then drops to the normal value again after the excess grease has
been displaced out of the bearing.
– If the machine is fitted with grease collection chambers :
Unbolt the grease collection chambers at the intervals shown on the notice plate with
the motor stopped, and remove the used bearing grease. When doing this, you avoid
that the grease backs up and the bearings overheat.
If the machine is in a vertical position, the rotor can fall out while work is being
performed on the locating bearing. This can result in death, serious injury or material
damage.
Support or relieve the rotor when carrying out work with the machine in a vertical
Grease types
For the standard operating range, a grease for temperatures down to -20 °C is normally used
for the initial greasing of rolling bearings. If the machine has been ordered for use in the
extended temperature range of below -20 °C, the permissible type of grease is indicated on
the lubricant plate.
Note
Grease quantity control
Only use the specified greases so that the grease quantity control operates perfectly. The
data on the motor lubricant plate is decisive.
Carefully note that it is not permissible to mix different grease types.
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