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 in actuator as per required spring set (see Figure 39).
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 40.
Refer to Table 17 for the correct torque. We recommend to use some grease on
the screws for easier fastening.
Figure 40
Spring-Return End Cap Assembly Size 950 to 1600
5
30
5
1
2
3
4
5
6
9
10
9
10
11
2
11
2
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
51
Section 9: Reassembly