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Servicing
NOTICE
!
Risk of regulator damage due to the use of
unsuitable lubricants.
Only use lubricants approved by SAMSON.
Note
SAMSON's After-sales Service can support
you concerning lubricant, tightening torques
and tools approved by SAMSON.
Note
The regulator was checked by SAMSON be-
fore it left the factory.
− Certain test results (seat leakage and leak
test) certified by SAMSON lose their
validity when the valve body is opened.
− The product warranty becomes void if ser-
vice or repair work not described in these
instructions is performed without prior
agreement by SAMSON's After-sales Ser-
vice.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
Tip
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
24
7.1 Cleaning and replacing the
seat and plug
DANGER
!
Risk of personal injury due to preloaded
springs.
Regulators in combination with preloaded
set point springs are under tension. These
regulators can be identified by the red warn-
ing label on the actuator's set point springs.
− Before starting any work on the springs,
relieve the compression from the preloaded
springs.
− Only use the SAMSON disassembly tool
(1280-4052).
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.
EB 2623-1 EN
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