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Servicing
8 Servicing
The regulator does not require much mainte-
nance. Nevertheless, it is subject to natural
wear, particularly at the seat, plug and oper-
ating diaphragm. Depending on the operat-
ing conditions, check the regulator at regular
intervals to avoid possible malfunctions.
DANGER
!
Risk of bursting in pressure equipment.
Regulators and pipelines are pressure
equipment. Improper opening can lead to
bursting of the regulator.
− Before starting any work on the regulator,
depressurize all plant sections affected as
well as the regulator.
− Drain the process medium from the plant
sections affected as well as from the regu-
lator.
− Wear personal protective equipment.
WARNING
!
Risk of personal injury due to residual pro-
cess medium in the regulator.
While working on the regulator, residual
process medium can escape and, depending
on its properties, may lead to personal in-
jury, e.g. (chemical) burns.
Wear protective clothing, safety gloves and
eye protection.
28
WARNING
!
Risk of burn injuries due to hot or cold com-
ponents and pipeline.
Regulator components and the pipeline may
become very hot or cold. Risk of burn inju-
ries.
− Allow components and pipelines to cool
down or warm up to the ambient tempera-
ture.
− Wear protective clothing and safety gloves.
NOTICE
!
Risk of regulator damage due to incorrect
servicing or repair.
Only allow trained staff to perform service
and repair work.
NOTICE
!
Risk of regulator damage due to over- or
under-torquing.
Observe the specified torques when
tightening regulator components. Excessive
tightening torques lead to parts wearing out
more quickly. Parts that are too loose may
cause leakage.
Observe the specified tightening torques.
NOTICE
!
Risk of regulator damage due to the use of
unsuitable tools.
Only use tools approved by SAMSON.
EB 2623-1 EN
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