Replacing The Restriction - Samson 45-9 Mounting And Operating Instructions

7.1 Replacing the restriction

NOTICE
!
Risk of regulator damage due to excessively
high or low tightening torques.
Observe the specified torques on tightening
regulator components. Excessively tightened
torques lead to parts wearing out quicker.
Parts that are too loose may cause leakage.
Observe the specified tightening torques.
NOTICE
!
Risk of damage to the facing of the seat and
plug due to incorrect service or repair.
Always replace both the seat and plug.
NOTICE
!
DN 15 to 25: Unscrew the adjusting screw
(8.3) before removing the connecting piece
(8).
Note
SAMSON's After-sales Service department
can support you concerning lubricant,
tightening torques and tools approved by
SAMSON.
EB 3128 EN
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
Disassembly
1. Put the regulator out of operation (see
section 9.1).
2. Unscrew the connecting piece (8) be-
longing to the restriction.
3. Remove the seal (8.7).
Assembly of the restriction
1. Renew the seal (8.7) and insert it into the
body.
2. Screw the connecting piece (8). Observe
the tightening torques specified in sec-
tion 7.5.
3. Install the regulator into the pipeline.
4. Put the regulator into operation (see sec-
tion 6.1).
Maintenance
17
SW 19
31