26 EB 8359-1 EN
Servicing
8 Servicing
The positioner was checked by SAMSON
before it left the factory.
− 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
specications.
The Type4765 Positioner requires no main-
tenance.
Î Observe the maintenance instructions of
any upstream supply air pressure reduc-
ing stations.
8.1 Preparation for return ship-
ment
Proceed as follows to return devices to
SAMSON:
1. Put the control valve out of operation.
See associated valve documentation.
2. Remove the positioner (see section9.2)
3. Continue as described on our website at
uwww.samsongroup.com > Service &
Support > After-sales Service > Returning
goods.
Note