40
EB 3135-1 EN
Servicing
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 hex
bit.
17
Ø 17
SW 19
SAMSON order no. 1280-3001
The actuator stem of electric actuators with
fail-safe action must be retracted before
mounting or removing the electric actuator.
Refer to the mounting and operating instruc-
tions of the electric actuator with fail-safe ac-
tion for more details. See information under
‘Referenced documentation’ on page 7.
Note
Note
7.2 Replacing the restriction
Observe the relevant safety regulations on
mounting or removing the electric actuator.
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.
Risk of damage to the facing of the seat and
plug due to incorrect service or repair.
Always replace both the seat and plug.
DN 15 to 25: unscrew the adjustment screw
(8.3) before removing the connecting piece
(8).
SAMSON's After-sales Service can support
you concerning lubricant, tightening torques
and tools approved by SAMSON.
WARNING
!
NOTICE
!
NOTICE
!
NOTICE
!
Note
