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 17 for the correct torque.
Figure 36
Double-Acting End Cap Assembly
11
11
6
8
10
2
2
5
8
10
6
6
Double acting end caps (6) are fitted with a white warning sticker. Spring return end
caps (5) are fitted with a black warning sticker.
Actuator sizes 40 to 100 have high end caps for double-acting and spring-return models.
Actuator sizes 150 to 1600 have low end caps for double-acting models and high end
caps for spring return models.
Table 17.
End Cap Screw Torque
Actuator
size
Thread
Tool
Size
Torque (Nm)
Torque (lbf.ft)
Target Min.
Max. Target Min.
Max.
Q 40
M5
Allen Key
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
Q 65
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
Q 100
M5
SW 4
2.0
1.6
3.0
1.5
1.2
2.2
Q 150
M6
SW 5
3.3
2.6
5.1
2.4
1.9
3.8
Q 200
M6
SW 5
3.3
2.6
5.1
2.4
1.9
3.8
Q 350
M8
SW 6
8.4
6.7
12.2
6.2
4.9
9.0
Q 600
M10
SW 8
15.3
12.2
24.8
11.3
9.0
18.3
Q 950
M12
SW10
24.3
19.4
41.6
17.9
14.3
30.7
Q 1600
M12
SW10
24.3
19.4
41.6
17.9
14.3
30.7
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
47
Section 9: Reassembly
