Samson 2469 - Cleaning or Replacing the Plug; Replacing the Diaphragm

4.1 Cleaning or replacing the
plug
1. Remove the regulator from the pipeline.
2. Unscrew the control line (11).
3. Unscrew the body screws (7) and remove
the lower diaphragm case including the
diaphragm (6.1) and diaphragm plate.
4. For sizes DN 15 to 25, unscrew the guide
nipple of the plug section (3) using a
socket wrench (order no. 1280-3001)
and pull it out.
This wrench can also be made, for exam
-
ple from a GEDORE screwdriver bit
(IN 19-19) by boring a 17-mm-deep hole
(Ø 17) into the 19 mm hexagon bit (see
Fig. 4)
For sizes DN 32 to 50, unscrew the stop-
per and pull out the plug section.
5. Thoroughly clean the seat and plug sec-
tion.
Check that the control line is not clogged.
If the plug is damaged, replace the entire
plug section.
4
Reassemble the regulator in reverse or
-
der, observing the tightening torques
given in the table in Fig. 2.
4.2 Replacing the diaphragm
1. Unscrew the control line (11).
2. Unscrew the body screws (7) and remove
the lower diaphragm case including the
diaphragm (6.1) and diaphragm plate.
3. Replace the diaphragm complete with the
diaphragm plate.
4
Reassemble the regulator in reverse order,
observing the tightening torques given in
the table in Fig. 2.
EB 3132-2 EN 9
Maintenance – Replacing parts
17
Ø 17
SW 19
Fig. 4 · Socket wrench