40 l
Installation, operation and maintenance manual – Squirrel cage motor – WGM20 Line 14108242
7.10.9.3
DE vertical bearing disassembly
Figure 7.8: DE vertical bearing
Figure 7.8 legend:
1.
Shaft
2.
DE end shield
3.
Bearing
4.
Grease slinger
5.
Internal bearing cap
6.
Compression spring
7.
Grease retention disc
8.
Inner hexagon screw
9.
Intermediate ring
10.
Bearing protection ring
11.
Axial locking ring
12.
Grease reservoir
13.
Grease viewfinder cover
14.
Inner hexagon screw – with no head
15.
Feltre
16.
Grease inlet
In order to disassemble the bearing, proceed according to
the following guidelines:
1.
Place the motor in the horizontal position;
2.
Remove the screws (14) and the bearing protection ring
(10);
3.
Remove the screws (8) that fasten the grease reservoir;
4.
Remove the grease reservoir (12), the grease slinger (4)
and the intermediate ring (9);
5.
Remove the DE end shield (2);
6.
Remove the axial locking ring (11)
7.
Remove the bearing (3);
8.
Remove the internal bearing cap (5), if is necessary.
7.10.9.4
NDE vertical bearing disassembly
Figure 7.9: NDE vertical bearing
Figure 7.9 legend:
1.
Shaft
2.
NDE end shield
3.
Bearing
4.
Grease slinger
5.
External bearing cap
6.
Compression spring
7.
Grease retention disc
8.
Inner hexagon screw
9.
Bearing protection ring – without labyrinth
10.
KMT nut
11.
Bearing hub
12.
Grease reservoir
13.
Grease viewfinder cover
14.
Grease reservoir cover
15.
Insulated washer
16.
Flat washer
17.
Insulated tube
18.
Grease inlet
In order to disassemble the bearing, proceed according to
the following guidelines:
1.
Support the motor shaft with a hydraulic jack;
2.
Remove the screws (8) that fasten the external bearing
cap;
3.
Remove the external bearing cap (5);
4.
Remove the KMT nut (10), the bearing protection ring
(9) and the grease retention disc (7);
5.
Remove the screws that fasten the bearing hub (11)
and remove it;
6.
Remove the NDE end shield (2);
7.
Move the grease reservoir (12) away from the bearing,
to provide space to set bearing removing device;
8.
Remove the bearing (3);
9.
Remove grease slinger (4) and grease reservoir (12), if
necessary.