Positioners With Stainless Steel Enclosure 6Dr5 - Siemens SIPART PS2 Operating Instructions Manual

Procedure for removal and cleaning of the screens
1. Disconnect the pneumatic auxiliary power supply.
2. Remove the lines.
3. Unscrew the cover of the Makrolon enclosure 6DR5..0 or aluminum enclosure 6DR5..3.
4. Unscrew the three screws on the pneumatic terminal strip.
5. Remove the screens and O-rings behind the terminal strip.
6. Clean the screens, e.g. using compressed air.
Procedure for installation of the screens
Damage to the Makrolon enclosure
● The enclosure is damaged due to screwing in the self-tapping screws improperly.
● Ensure that the available thread pitches are used.
● Turn the screws anticlockwise until they engage noticeably in the thread pitch.
● Tighten the self-tapping screws only after they have engaged.
1. Insert the screens into the recesses of the enclosure.
2. Place the O-rings on the screens.
3. Insert the pneumatic terminal strip.
4. Tighten the three screws. Note: With the Makrolon enclosure, the screws are self-tapping.
5. Place the cover and tighten it.
6. Reconnect the pipelines and feed the pneumatic power supply.
12.2.2 Positioners with stainless steel enclosure 6DR5..2, flameproof stainless steel
enclosure 6DR5..6, and narrow aluminum enclosure 6DR5..1
Removal, cleaning and installation of the screens
1. Disconnect the pneumatic auxiliary power supply.
2. Remove the pipelines.
3. Remove the metal screen from the bores carefully.
4. Clean the metal screens, e.g. using compressed air.
5. Insert the screens.
6. Connect the pipelines again.
7. Feed the pneumatic auxiliary power supply.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
CAUTION
Service and maintenance
12.2 Cleaning of the screens
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