EB 8111/8112 EN
37
Servicing
Risk of valve damage due to excessively high
or low tightening torques.
Observe the specified torques on tightening
control valve components. Excessively tight
-
ened torques lead to parts wearing out
quicker. Parts that are too loose may cause
leakage.
Observe the specified tightening torques
(
u
AB 0100).
Risk of valve damage due to the use of un
-
suitable tools.
Only use tools approved by SAMSON
(
u
AB 0100).
Risk of valve damage due to the use of un
-
suitable lubricants.
Only use lubricants approved by SAMSON
(
u
AB 0100).
The control valve was checked by SAMSON
before it left the factory.
−
Certain test results (seat leakage and leak
test) certified by SAMSON lose their
validity when the valve body or actuator
housing is opened.
−
The product warranty becomes void if ser
-
vicing or repair work not described in
these instructions is performed without pri
-
or agreement by SAMSON's After-sales
Service department.
−
Only use original spare parts by
SAMSON, which comply with the original
specifications.
The procedure to remove or mount the actu-
ator for service work depends on the type of
attachment (Form B or Form C, see sec
-
tion 3.2).
NOTICE
!
NOTICE
!
NOTICE
!
Note
Note
Summary of Contents for 3321
Page 11: ...EB 8111 8112 EN 11 Safety instructions and measures...
Page 27: ...EB 8111 8112 EN 27 Measures...
Page 33: ...EB 8111 8112 EN 33 Mounting and start up...
Page 35: ...EB 8111 8112 EN 35 Operation...
Page 45: ...EB 8111 8112 EN 45 Servicing...
Page 53: ...EB 8111 8112 EN 53...
Page 55: ...EB 8111 8112 EN 55 15 11 12 16 2 5 1 4 13 17 14 63 62 5 2 8 Type 3321 DN 65 to 100 NPS 2 to 4...
