Spirax Sarco DP27 - 5.7 How to renew or clean main diaphragms

IM-P470-03 CH Issue 7
25
28
27
30
29
5.7 How to renew or clean main diaphragms
Isolate the reducing valve and zero the pressure.
27. Undo the long union nut and pull away.
28. Undo the M12 nuts and bolts.
29. Drop away the lower diaphragm chamber, the two diaphragms, diaphragm plate and the
pushrod assembly.
30. Thoroughly clean the lower diaphragm chamber making sure contact faces are clean.