40 EB 2517 EN
Servicing
7.2 Replacing the set point
springs
Risk of regulator damage due to excessively
high or low tightening torques.
Observe the specied torques on tightening
regulator components. Excessively tightened
torques lead to parts wearing out quicker.
Parts that are too loose may cause leakage.
Observe the specied tightening torques.
Make absolutely sure that no torque is ap-
plied to the bellows seal (5.1) during assem-
bly or disassembly. Otherwise, the metal
bellows will be destroyed.
SAMSON's After-sales Service department
can support you concerning lubricant,
tightening torques and tools approved by
SAMSON.
NOTICE
!
NOTICE
!
Note
Î RefertoFig.3
Removing the set point springs
1. Put the regulator out of operation (see
section9.1).
2. Completely relieve the tension from the
set point springs (8) by turning the set
point adjuster (6) counterclockwise ().
3. Unscrew the control line (17).
4. Remove the device from the pipeline
5. Unscrew the nuts (9) from the actuator
and remove the actuator.
6. Unscrew the nuts (8.2) on the valve and
crossbeam. Remove the pillars (8.1) and
crossbeam (8).
7. Loosenthehexagonsocketscrews(7.3)
and unscrew the nut (7.2) from the spigot
of the actuator bellows (5.1).
8. Removetheneedlebearingwithaxial
disk (7.4), nut (7.2) and spring plate
(7.1).
9. Lift off the set point springs (7).