EB 8314 EN
27
Servicing
7.2 Leak-testing the actuator
After replacing the parts subject to wear (see
section 7.1), the actuator must be tested for
leakage at the following places:
−
Connection of base (A4), cover (A10),
and cylinder barrel (A6)
−
Piston rod seal (A2)
7.3 Preparation for return ship-
ment
Defective actuators can be returned to
SAMSON for repair.
Proceed as follows to return valves to
SAMSON:
1. Put the control valve out of operation.
See associated valve documentation.
2. Remove the actuator from the valve (see
section 9.2).
3. Send the actuator to your nearest
SAMSON subsidiary. SAMSON
subsidiaries are listed on our website at
u
7.4 Ordering spare parts and
operating supplies
Contact your nearest SAMSON subsidiary
or the SAMSON After-sales Service depart-
ment for information on spare parts, lubri-
cants, and tools.
Spare parts
Details on spare parts are available on re-
quest.
Lubricant
Details on suitable lubricants can be found in
the document
u
