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4.2 Replacement of motor bearings
When the MGE-F has reached the prescribed number of operating hours, it will give a warning about replacement of
bearings (fig.
19
) that will appear on the R100 or PC Tool E-products. See section
2.6 Alarms and warnings
.
4.2.1 Removing the bearings
Fig. 19
Bearings need to be replaced
1. Remove the screws (pos. 152) holding the fan cover
(pos. 151), and remove the fan cover.
2. Remove the retaining ring (pos. 156c) holding the
fan (pos. 156).
3. Pull off the fan.
4. Remove the three screws (pos. 182a) holding the
bearing cover (pos. 155d).
5. Remove the screws (pos. 185a) holding the bearing
end shield in the non-drive end (pos. 156a).
6. Remove the bearing end shield in the non-drive end
and the spring (pos. 158).
7. Remove the screws (pos. 185) holding the bearing
end shield in the drive end (pos. 156b).
8. Carefully pull the bearing end shield in the drive end
and the shaft/rotor (pos. 172) out of the stator
housing. Take care not to damage the stator
windings.
9. Remove the three screws (pos. 182) holding the
bearing cover (pos. 155a).
10. Remove the bearing end shield in the drive end
using a puller (pos.
B
).
11. Pull bearings (pos. 153 and 154) off the shaft using
a puller. If the drive end bearing is stuck in the
bearing end shield, heat up the bearing end shield,
and press the bearing out by pushing at it through
the shaft hole.
12. Clean and check the bearing journals of the shaft
and the bearing seats of the bearing end shields.
TM
04
24
43
25
08
Fig. 20
Detail from fig.
29
, exploded view of the MGE-F
