Reassembly
9.5
Reassembly of the end caps
9.5.1
Double-Acting actuators
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.
Install the end caps (6) and tighten the end cap screws (8).
Refer to Table 15 for the correct torque.
Figure 31
Double-acting end cap assembly
2
6
8
6
11
6
5
10
8
10
11
2
Double acting end caps (6) are fitted with a white warning sticker. Spring return end
caps (5) are fitted with a black warning sticker.
The above end caps (5) are for actuator sizes 25, 40, 65 and 100.
End caps (6) for double acting actuator sizes 150 and larger will have flat end caps.
Table 15.
End cap Screw Torque
Actuator
size
Thread
Tool
Size
Torque (Nm)
Torque (lbf.ft)
Target Min.
Max. Target Min.
Max.
12
M4
Allen key
SW 3
1.1
0.8
1.3
0.8
0.6
1.0
25
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
40
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
65
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
100
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
150
M6
SW 5
3.3
2.6
5.1
2.4
1.9
3.8
200
M6
SW 5
3.3
2.6
5.1
2.4
1.9
3.8
350
M8
SW 6
8.4
6.7
12.2
6.2
4.9
9.0
600
M10
SW 8
15.3
12.2
24.8
11.3
9.0
18.3
950
M12
SW10
24.3
19.4
41.6
17.9
14.3
30.7
1600
M12
SW10
24.3
19.4
41.6
17.9
14.3
30.7
2500
M12
SW10
24.3
19.4
41.6
17.9
14.3
30.7
4000
M14
SW12
43.5
34.8
66.4
32.1
25.7
49.0
40
September 2017
Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
Section 9: Reassembly
