Table of Contents
Advertisement
Servicing
NOTICE
!
Risk of TÜV approval (based on AGFW
worksheet FW 506) for Type 44-4 becom-
ing void.
Consult SAMSON's After-sales Service
before you change parts or perform service
or repair work on TÜV-tested Type 44-4
Regulators.
Note
SAMSON's After-sales Service can support
you concerning lubricant, tightening torques
and tools approved by SAMSON.
Note
The socket wrench for DN 15 to 25 can also
be made, for example from a GEDORE
screwdriver bit (IN 19-19) by drilling a
17-mm-deep hole (Ø17) into a 17 mm hex
bit.
SAMSON order no. 1280-3001
Î See Fig. 3
30
17
SW 19
Disassembly of Type 44-7
1. Put the regulator out of operation (see
section 10.1).
2. Completely relieve the tension from the
set point spring (8) by turning the set
point adjuster (10) counterclockwise ().
3. Remove the device from the pipeline
4. Unscrew the control line (11).
5. Unscrew the body stopper (1.1).
6. Remove the seal (1.2).
7. Unscrew the body screws (13) and take
off the actuator housing (6) together with
the set point spring (8).
8. Unscrew the plug nut (3.2) and take the
plug (3) off the plug stem.
9. DN 15 to 25: unscrew and pull out the
guide nipple (3.6) using a socket
wrench.
DN 32 to 50: unscrew the plug nipple
(3.5) and pull out the guide nipple (3.6).
10. Remove the seal (1.3).
11. Thoroughly clean the seat (2), plug (3)
and balancing piston (3.1). Replace
damaged parts with new ones.
12. Check the control line (11) for any block-
ages.
13. Unscrew the seat (2) using a seat wrench
if the seat facing is damaged.
EB 2723 EN
Advertisement
Table of Contents
