2.12.6 Changeover Rotor Size - SIKA Aliva 257 Top User Manual

2 Maintenance and repair work

2.12.6 Changeover rotor size

2.12.6.1 Replace rotor
Rotors with swallowing capacities of 12 l, 6 l, 2.5 ll are available for the Aliva 257.
To changeover the size of the rotor:
Clean the machine (see Maintenance instructions).
Remove the rotor, see Chapter "2.12.1 Remove the rotor" on page 24.
Dropping rotor components
• There is a risk of injury if rotor components are dropped.
Fig. 2.23
Replace Rotor discs
1 Upper Rotor disc
2 Upper flat seal
3 Rotor
4 Lower flat seal
5 Lower Rotor disc
257.055
Clean the Rotor discs with a cloth.
Check the Rotor discs for wear.
If the Rotor discs are still OK then you can use these together with the new rotor.
32
Make sure the rotor components do not fall.
3
2
1
Version 1.0
Maintenance instructions Aliva-257 Top
WARNING
!
Hold the lower Rotor disc 5 and
release the four screws.
Remove the lower Rotor disc 5 and the
flat seal 4.
Rotate the rotor with a crane.
Hold on the upper Rotor disc 1 and
5
release the four screws.
4
Remove the upper Rotor disc 1 and
the flat seal 2.