Samson 3321CT, Mounting And Operating Instructions

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9-2 EB 8115 EN
Servicing
loaded springs (see associated actuator
documentation).
Risk of personal injury due to residual pro-
cess medium in the valve.
While working on the valve, residual me -
dium can flow out of the valve and, depend -
ing on its properties, cause personal injury,
e.g. (chemical) burns.
Î
Wear protective clothing, safety gloves,
respiratory protection and eye protec-
tion.
Risk of valve damage due to excessively
high or low tightening torques.
Observe the specified torques when tighten -
ing control valve components. Excessive
tightening torques lead to parts wearing out
more quickly. Parts that are too loose may
cause leakage.
Î
Observe the specified tightening torques
(see 'Tightening torques' in Annex).
Risk of valve damage due to the use of un-
suitable tools.
Î
Only use tools approved by SAMSON
(see the 'Tools' section in Annex).
Risk of valve damage due to the use of un-
suitable lubricants.
Î
Only use lubricants approved by
SAMSON (see the 'Lubricants' section in
Annex).
Risk of the process medium being contami-
nated through the use of unsuitable lubri-
cants and/or contaminated tools and com-
ponents.
Î
Keep the valve and the tools used free
from solvents and grease.
Î
Make sure that only suitable lubricants
are used.
The control valve was checked by SAMSON
before delivery.
− Certain test results certified by SAMSON
lose their validity when the valve is
opened. Such testing includes seat leakage
and leak tests.
− 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.
WARNING ! WARNING !
NOTICE
!
NOTICE
!
NOTICE !
NOTICE !
Note