Samson 2488/5 Series, Монтаж и эксплуатация

Страница: 43 / 52

EB 3135-1 EN 43
Servicing
Disassembly
1. Put the regulator out of operation (see
section 9.1).
2. Unscrew the control line (7).
3. Unscrew the screws (6.2). Remove the di-
aphragm case (6.3) together with the op-
erating diaphragm with diaphragm plate
(6.1).
4. DN 15 to 25: unscrew the guide nipple
(3.6) using a socket wrench and pull it
out.
DN 32 to 50: unscrew the plug nipple
(3.5) and pull out the guide nipple (3).
5. Remove the seal (3.6).
6. Thoroughly clean the seat (2), plug (3)
and balancing mechanism (3.1). Replace
damaged parts with new ones.
7. Check the control line (7) for any block-
ages.
8. Unscrew the seat (2) using a seat wrench
if the seat facing is damaged.
Assembly
1. Screw in the seat (2) using a seat
wrench. Observe the tightening torques
specified in section 7.5.
2. Renew the seal (3.6) and insert it into the
body.
3. DN 15 to 25: insert the guide nipple (3)
and screw it in using a socket wrench.
Observe the tightening torques specified
in section 7.5.
DN 32 to 50: insert the the guide nipple
(3.6) and screw in the plug nipple (3.5).
Observe the tightening torques specified
in section 7.5.
4. Check the facings of the diaphragm case
(6.3) and the valve body (1) for dirt and
clean them, if necessary.
5. Place the operating diaphragm (6.1) and
diaphragm case (6.3) onto the valve
body (1).
6. Tighten the screws in a crisscross pattern.
Observe the tightening torques specified
in section 7.5.
7. Screw on the control line (7). Observe
the tightening torques specified in sec -
tion 7.5.
8. Install the regulator into the pipeline.
9. Fasten the electric actuator (10) using the
coupling nut (10.2) to the connecting
piece (8) of the valve. Observe the tight-
ening torques specified in section 7.5.
10. Connect the supply voltage to the electric
actuator (see section 6.1.1).
11. Put the regulator into operation (see sec-
tion 6).