Spirax Sarco DP27T Installation And Maintenance Instructions Manual page 20

5.2 How to renew the pilot filter element:
1. Isolate the reducing valve and zero the pressure.
2. Unscrew the filter cap and carefully withdraw the filter element.
3. Replace the element and tighten the filter cap to 90 - 100 N m.
Note: The gasket is re-usable.
5.3 How to renew or change the pressure adjustment spring:
4. Isolate the reducing valve, zero the pressure and release the adjustment lock-nut.
5. Turn the adjustment screw anticlockwise. Ensure there is no compression on the pressure
adjustment spring.
6. Undo the 4 off spring housing securing nuts and remove the spring housing.
7. Remove the pressure adjustment spring and the top spring plate.
8. Reassemble in reverse order.
20
Filter
element
Filter cap
4
7
5
IM-P240-02-EN-ISS1 CTLS