Agromatic NEx Series, Assembly And Operating Manual, Page: 45 / 112

5 Assembly 5.2 Installation
Actuators NEx, NEx-K, NEx-KA, NEx-V 39
4. Installing the driving collar:
−
For threaded valve spindle:
Screw the complete driving collar RV onto valve spindle S and secure
it using grub screw GR.
−
For valve spindle without thread:
Insert the split driving collar RG into the groove in valve spindle S
5. Push valve spindle S, complete with driving collar RV or RG, into the
turned groove of spindle nut MA all the way to the stop.
6. Screw retainer nut MV onto spindle nut MA all the way to the stop.
Note: To even out tolerances between the actuator and the valve, there may
be a clearance between complete driving collar RV and spindle nut MA.
However, this clearance should be
as small as possible .
7. Secure retainer nut MV with grub screw GM.
Complete driving collar Split driving collar
Fig. 5.10: Series NEx-V – assembly of the driving collar
RV
S
MV
GM
MA
GR