78 EB 8384-1 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 department.
− Only use original spare parts by
SAMSON, which comply with the original
specications.
The positioner does not require any mainte-
nance.
Housing cover
Occasionally, the window in the cover may
need to be cleaned.
Incorrect cleaning will damage the window.
The window is made of Makrolon
®
(new de-
sign) and will be damaged when cleaned
with abrasive cleaning agents or agents con-
taining solvents.
− Do not rub the window dry.
− Do not use any cleaning agents containing
chlorine or alcohol or abrasive cleaning
agents.
− Use a non-abrasive, soft cloth for cleaning.
Filters
Therearelterswitha100µmmeshsizein
the pneumatic connections for supply and
output which can be removed and cleaned,
if required.
Supply air pressure reducing stations
The maintenance instructions of any up-
stream supply air pressure reducing stations
must be observed.
8.1 Preparation for return ship-
ment
Defective positioners can be returned to
SAMSON for repair.
Proceed as follows to return devices to
SAMSON:
1. Put the control valve out of operation.
See associated valve documentation.
2. Removethepositioner(seesection10).
3. Send the positioner to your nearest
SAMSON subsidiary. SAMSON
subsidiaries are listed on our website at
uwww.samson.de>Contact.
Note
NOTICE
!