Replacing The Frame - Wilo Flumen OPTI-TR 20-1 Instrucciones De Instalación Y Funcionamiento

9.6.5

Replacing the frame

4
3
2
Fig. 17: Replacing the frame
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 28-1, 30-1, 40-1 Wilo-Flumen EXCEL-TRE 20, 30, 40
Maintenance and repair
ring is tilted or installed at an angle when it is pushed in, the stationary ring will
fracture. The mechanical seal can then no longer be used!
7. Insert new spring of the mechanical seal with support washer onto the shaft.
8. Clean the key and lay it in the groove of the shaft.
9. Mount propeller.
▶ Mechanical seal is replaced. Fill oil in the seal housing.
1 Frame
2 4x fixation material: hexagon head screw, washer, hexagon nut
3 Motor flange
1
4 Cable brackets for strain relief
‡
Mixer set down on a firm surface and secured.
‡
Motor supported in such a way that the frame can easily be exchanged.
‡
Tools are ready for use.
1. Open the cable brackets and take out the connection cable.
2. Undo and remove hexagon nuts.
3. Remove washers from the hexagon head screws.
4. Remove the frame from the motor flange.
5. Clean dirt from the motor flange, e.g. deposits, old sealing material.
6. Remove hexagon head screws from the frame and insert them in the new frame.
7. Coat the hexagon head screws with thread-locking fluid.
8. Place the new frame on the motor flange.
9. Place washers on the hexagon head screws.
10.Attach and firmly tighten hexagon nuts. Max. tightening torque: see Appendix.
11.Lay connection cable in the cable bracket and close the cable bracket. CAUTION! Do
not tighten the cable bracket yet!
12.Align the connection cable: The connection cable should be slightly bent, it should not
be taut.
13.Close the cable brackets tightly.
14.Apply corrosion protection (e.g. Sikaflex):
- Sealing joint between motor flange and frame.
- Fill slots on the motor flange up to the washer.
▶ Frame is changed.
en-US
43