Samson 44-2, Mounting And Operating Instructions

Page: 25 / 44

EB 2623-1 EN 25
Servicing
Risk of TÜV approval (based on AGFW
worksheet FW 504) for Types 44-3 and
44-9 becoming void.
Consult SAMSON's After-sales Service be-
fore you change parts or perform service or
repair work on TÜV-tested Type 44-3 and
Type 44-9 Regulators.
SAMSON 's After-sales Service can support
you concerning lubricant, tightening torques
and tools approved by SAMSON.
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
hexagon bit.
17
Ø 17
SW 19
−
SAMSON order no. 1280-3001
Î
Refer to Fig. 3
NOTICE !
Note
Note
Disassembly of Type 44-2
1. Put the regulator out of operation (see
section 9.1).
2. Completely relieve the tension from the
set point springs (70…78) by turning the
set point adjuster (56) counterclockwise
(

).
3. Remove the device from the pipeline
4. Unscrew the control line (116).
5. Unscrew the body screws (130) and take
off the actuator housing (112) together
with the set point springs (70…78).
6. DN 15 to 25: unscrew and pull out the
guide nipple (2.6) using a socket
wrench.
DN 32 to 50: unscrew the plug nipple
(27) and pull out the guide nipple (2.6).
7. Remove the seal (134).
8. Thoroughly clean the seat (35), plug (2)
and balancing piston (2.1). Replace
damaged parts with new ones.
9. Check the control line (116) for any
blockages.
10. Unscrew the seat (35) using a seat
wrench if the seat facing is damaged.