Reassembly
1.
Grease the O-ring seals (11) and B port seals (2) according to step 9.1.
2.
Ensure that O-ring seals (11) and B port seals (2) are kept in place during assembly.
3.
Place the spring cartridges in actuator as per required spring set (see Figure 32).
4.
Put the end cap screw washer (10) on the end cap screw (9) and tighten each end
cap screw in small equal turns and in the sequence as per Figure 33. Refer to Table
15 for the correct torque. We recommend to use some grease on the screws for
easier fastening.
Figure 33
Spring Return End cap assembly size 25 to 600
3
1
4
5
11
2
30
5
9
11
10
2
9
10
2
42
September 2017
Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
Section 9: Reassembly