EB 3131-1 EN
29
Servicing
7 Servicing
The regulator does not require any 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.
The regulator was checked by SAMSON be
-
fore it left the factory.
−
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 SAM
-
SON, which comply with the original spec
-
ifications.
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
Note
Tip
7.1 Preparation for return ship-
ment
Defective devices can be returned to
SAMSON for repair. Proceed as follows to
return devices to SAMSON:
1. Put the regulator out of operation (see
section 9).
2.
Decontaminate the valve. Remove any
residual process medium.
3. Fill in the Declaration on Contamination.
The declaration form can be downloaded
from our website at
u
www.samsongroup.com > Service &
Support > After-sales Service > Returning
4. Continue as described on our website at
u
www.samsongroup.com > Service &
Support > After-sales Service > Returning
7.2 Ordering spare parts and
operating supplies
Contact your nearest SAMSON subsidiary
or SAMSON's After-sales Service for infor-
mation on spare parts, lubricants and tools.
Summary of Contents for 46-7
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