Siemens 6DR50 Series Operating Instructions Manual page 57

10.Now start with the assembly. Install the module cover
counter clockwise until they noticeably engage in the thread pitch. The module cover
protects and locks the optional modules mechanically.
Note
Untimely wear
The module cover is fastened using a self-tapping screw for the valve.
• Proceed as described here in order to avoid premature wear of the valve.
Carefully tighten both screws
11.Continue to assemble the positioner by executing steps 7 to 5 in reverse order. Check
whether the position of the O-rings is correct. Make sure no loose items in the enclosure
interfere with the assembly.
12.Now check carefully whether the feedback shaft
If you feel resistance, do not continue to turn but turn the feedback shaft
the point of removal, making sure to remember the previously performed steps.
13.Once you have completed all previous steps successfully, continue by performing steps 4
to 1 in reverse order.
See also
Position feedback module (Page 56)
Alarm module (Page 57)
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12
②
in a clockwise direction.
⑮
can be smoothly turned by 360°.
Installing/mounting
4.7 Installing option modules
①
. To this end, turn the screws
⑮
back again to
②
55