en
Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
41
3.
Undoing the handle grip handle fixation on the mixer: Undo and unscrew the hexagon
head screws.
4.
Remove the handle grip.
5.
Place a new handle grip and secure it to the frame using the fixation:
- Position the washer on the hexagon head screw.
- Insert the hexagon head screw through the frame and handle grip.
- Position the washer and screw on the hexagon nut.
NOTICE! Only slightly tighten the fixation! Do not fully tighten the handle grip!
6.
Securing the handle grip on the mixer:
- Position the washer on the hexagon head screw.
- Coat the hexagon head screw with thread-locking fluid.
- Screw in the hexagon head screw and fully tighten it. Max. tightening torque: see ap-
pendix.
7.
Compare the drilling pattern of both handle grip struts with the drilling pattern of the
old handle grip. If necessary, adapt the drilling pattern of the new handle grip.
8.
Securing the handle grip on the frame:
- Undo the hexagon nut.
- Coat the hexagon head screw with thread-locking fluid.
- Fully tighten the hexagon nut. Max. tightening torque: see appendix.
9.
Installing cable brackets:
- Insert cable bracket into handle grip.
NOTICE! The cable must be routed in a small
arc. Do not route the cable under tension!
- Position the washers on the hexagon head screws.
- Screw on and fully tighten the hexagon nut. Max. tightening torque: see appendix.
10. Check the shackle position!
Attach the lifting equipment to shackles. The mixer must remain horizontal during lift-
ing. Move shackles if the mixer tilts.
▶
Handle grip changed.
9.6.8
Replacing the frame
1
2
3
4
Fig. 22:
Replacing the frame
1
Frame
2
4x frame fixation material: Hexagon head screw, washer, hexagon nut
3
Motor flange
4
Handle grip fixation: Hexagon head screw, 2x washers, hexagon nut
✓
Mixer set down on a firm surface and secured.
✓
Motor supported in such a way that the frame can easily be changed.
✓
Tools are ready for use.
1.
Undo the handle grip fixation and pull out the hexagon head screw.
2.
Undo and unscrew the hexagon nut for frame attachment.
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. Apply corrosion protection (e.g. Sikaflex):
- Sealing joint between motor flange and frame.
- Fill slots on the motor flange up to the washer.
12. Reattaching the handle grip to the frame:
- Position the washer on the hexagon head screw.
- Insert the hexagon head screw through the frame and handle grip.
- Position the washer on the hexagon head screw.
