Replace Pneumatic Block - Siemens SIPART PS2 Series Operating Instructions Manual

Service and maintenance

10.5 Replace pneumatic block

10.5 Replace pneumatic block
Requirement
● You are familiar with the general procedure described in the section "General information on
installing option modules (Page 51)".
Procedure
①
②
Figure 10-1
Removing
1. Switch off the supply pressure PZ and depressurize the actuator.
2. Open the positioner as in the description depending on the device version:
– Opening the standard and intrinsically safe version (Page 52)
– Opening the device version with "flameproof enclosure" (Page 55)
3. Remove the ribbon cable from the basic electronics.
4. Tighten the two fixing screws of the basic electronics.
5. Remove the basic electronics.
6. Remove the fixing screws
Four screws for the single-acting pneumatic block. Five screws for the double-acting
pneumatic block.
7. Remove the pneumatic block
8. Blow the existing dirt from the surface on which the pneumatic block was placed.
Installation
1. Insert the new cord seal
2. Press the cord seal
202
Cord seal
Pneumatic block
Pneumatic block
①
①
into the groove on the pneumatic block
③
Mounting screws
④
Centering elements
③
of the pneumatic block
②
and the cord seal
into the new pneumatic block
Operating Instructions, 11/2019, A5E00074631-AE
②
.
①
.
②
.
②
on all sides.
SIPART PS2 with 4 to 20 mA/HART