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Servicing
7.2 Replacing the set point
springs
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
!
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.
Note
SAMSON's After-sales Service department
can support you concerning lubricant,
tightening torques and tools approved by
SAMSON.
40
Î Refer to Fig. 3
Removing the set point springs
1. Put the regulator out of operation (see
section 9.1).
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. Loosen the hexagon socket screws (7.3)
and unscrew the nut (7.2) from the spigot
of the actuator bellows (5.1).
8. Remove the needle bearing with axial
disk (7.4), nut (7.2) and spring plate
(7.1).
9. Lift off the set point springs (7).
EB 2517 EN
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