7.4.5 Removing the casing cover/bearing bracket
Motor DS 90
✓
The notes and steps stated in (
40) have been observed/carried out.
1. Pull off bush 540.01, cup springs 950.23 and thrust bearing 314.01.
2. Undo socket head cap screws 914.04 and pull off casing cover 161.
3. Remove O-rings 412.11, 412.41 and 412.71.
Motors DS 112 and 132
✓
The notes and steps stated in (
40) have been observed/carried out.
1. Undo nuts 920.15 and take casing cover 161 off bearing bracket lantern 344.
2. Pull bush 540.01, cup springs 950.23 and thrust bearing 314.01 off the rotor.
3. Undo nuts 920.04 and remove bearing bracket lantern 344.
4. Remove O-rings 412.11/.41/.71.
7.4.6 Dismantling the rotor
✓
The notes and steps stated in (
41) have been observed/carried out.
CAUTION
Incorrect dismantling
Damage to rotor and can!
▷
Keep the rotor straight to prevent any rubbing contact with the can when
pulling the rotor out.
1. Pull rotor 818 carefully out of the rotor space.
7.4.7 Dismantling the bearings
✓
The notes and steps stated in (
41) have been observed/carried out.
1. Pull pump-end bearing sleeve 529.21 and thrust bearing 314.02 off the rotor.
2. Remove socket head cap screw 914.80 (left-hand thread!) as well as cup springs
950.11.
3. Pull rings 515.23, 515.24 and motor-end bearing sleeve 529.06 off the shaft end.
4. Remove socket head cap screws 914.72 and pull off bearing carrier 382.
5. Remove O-ring 412.02.
7.4.8 Cleaning and checking the components
✓
The notes and steps stated in (
41) have been observed/carried out.
1. Clean all dismantled components and inspect them for signs of damage.
2. Replace any damaged components by original spare parts.
3. If the can is damaged:
- Replace the complete motor unit.
- For disposal open the stator space and completely dismantle the motor unit, if
required.
4. Inspect the bores located in the following components for cleanliness and free
passage. Clean them, if necessary.
- Impeller 230
- Thrust bearing 314.01/.02
- Bearing carrier 382
- Rotor 818 (radial bores; axial bore)
7 Servicing/Maintenance
Etaseco/Etaseco I
41 of 60
Содержание Etaseco C
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