Samson 44-7 Mounting And Operating Instructions page 25

NOTICE
!
Risk of TÜV approval (based on AGFW
worksheet FW 506) for Types 44-4 and
44-8 becoming void.
Consult SAMSON's After-sales Service de-
partment before you change parts or per-
form service or repair work on TÜV-tested
Type 44-4 and Type 44-8 Regulators.
Note
SAMSON's After-sales Service department
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
hexagon bit.
SAMSON order no. 1280-3001
EB 2723 EN
17
SW 19
Î Refer to Fig. 3
Disassembly of Type 44-7
1. Put the regulator out of operation (see
section 9.1).
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.
Servicing
25