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7.1 Replacing the actuator
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.
EB 2517 EN
Removing the actuator
1. Put the regulator out of operation (see
section 9.1).
2. Unscrew the control line (17).
3. Unscrew the nuts (9) from the actuator
and remove the actuator.
Mounting the actuator
1. Push the actuator (10) onto the spigots of
the actuator bellows (5.1). Tighten the
nuts (9). Observe the tightening torques
specified in section 7.5.
2. Screw on the control line (17). Observe
the tightening torques specified in sec-
tion 7.5.
3. Put the regulator into operation (see sec-
tion 6.1).
Servicing
39
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