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Maintenance
9.1 Inspection and maintenance
Regreasing
The spent grease chamber is designed to accommodate the spent grease for a computed,
rated service life of 40000 operating hours.
● Clean the grease nipples before regreasing and then gradually press in an appropriate type
Grease types
For the standard operating range, a grease for temperatures down to ‑20 °C is normally used
for the initial greasing of roller 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
The grease quantity control only operates correctly if the specified greases are used. This is
specified on plates attached to the machine.
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and amount of grease, as described on the lubricant plate. The shaft must then be rotated
so that the new grease can be distributed throughout the roller bearing. The roller 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 removal sliders :
After the bearings have been regreased, with the motor running, the used grease should
be removed by pulling the slider fitted to the bearing to its stop several times.
– 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. If this is not done, the grease
will clog and the bearings will overheat.
WARNING
Rotor can fall out
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
position.
SIMOTICS XP 1MD4/1MD5
Operating Instructions 05/2015
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