Emerson Process Management 3024C - Manual (Page 10)

3024C Actuator
Instruction Manual
Form 5760
March 2007
10
Figure 5. Type 3024C Spring Arrangements
SIZE 30 AND 30E
3 SPRINGS
SIZE 30 AND 30E
5 SPRINGS
SIZE 30 AND 30E
7 SPRINGS
SPRING LOCATOR SPRING
SPRING LOCATOR
SPRING
SPRING LOCATOR
SPRING
SIZE 34, 34E, 40, AND 40E
3 SPRINGS
SIZE 40E
4 SPRINGS
SIZE 34, 34E, AND 40E
5 SPRINGS
SIZE 40 AND 40E
6 SPRINGS
SIZE 34, 34E, 40, AND 40E
7 SPRINGS
SIZE 45 AND 45E
8 SPRINGS
SIZE 45 AND 45E
12 SPRINGS
2Q57503
b. Position the actuator springs (key 15)
symmetrically on the diaphragm plate (key 13) as
shown in figure 5.
c. Install the upper diaphragm casing (key 16) so
that the springs fit correctly over the seat bosses
of the spring locator (key 17). Rotate the upper
diaphragm casing along with the
diaphragm/diaphragm plate assembly so that the
air connection in the upper diaphragm casing is
located directly above the air connection in the
lower diaphragm casing. Then rotate the