Samson 3278, Перевод оригинальной инструкции

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8-2 EB 8321 EN
Servicing and conversion
Risk of valve damage due to the use of
unsuitable lubricants.
Î
Only use lubricants approved by
SAMSON.
− The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After-sales
Service.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
8.1 Periodic testing
Depending on the operating conditions,
check the actuator at certain intervals to pre-
vent possible failure before it can occur.
Plant operators are responsible for drawing
up an inspection and test plan.
Our after-sales service can support you in
drawing up an inspection and test plan for
your plant.
8.2 Preparation for servicing
or conversion work
1. Lay out the necessary material and tools
to have them ready for the intended
work.
2. Put the actuator out of operation (see the
'Decommissioning' section).
3. Remove the actuator from the valve.
The following service and/or conversion
work can be performed after preparation is
completed:
− Replace the diaphragm (see sec-
tion 8.4.1)
− Changing the fail-safe action/reversing
the direction of action (see section 8.5.1)
− Changing the bench range (see sec-
tion 8.5.2)
8.3 Mounting the actuator on
the valve after service or
conversion work
Î
Mount the actuator (see the 'Installation'
section).
8.4 Service work
See Fig. 3-1 in the 'Design and principle of
operation' section
8.4.1 Replacing the dia -
phragm
1. Unthread and remove the nuts (50) and
bolts (50) (including the washers) on the
diaphragm case (1).
2. Remove the diaphragm case (1) and take
out the diaphragm (20).
3. Insert a new diaphragm.
NOTICE !
Note
Tip