Appendix
C.2.1
Procedure
1.
Remove the existing end caps of a standard actuator.
—
Follow the instructions of Section 8 to remove both the end caps of the
actuator.
—
For spring return actuators; note the original positions of the spring car-
tridges.
2.
Mount the Full Stroke Adjustment End cap kit to the actuator.
—
The stroke adjustment screw (41) is factory set at the 90° position.
3.
Grease the O-ring seals (11) and B port seals (2) according to section 9.1.
4.
Ensure that O-ring seals (11) and B port seals (2) are kept in place during assembly.
5.
For spring return actuators; place the spring cartridges (7) back in their original
positions.
6.
Install the Full Stroke end cap kits and tighten the end cap screws (9,10). For spring
return units; tighten each endap screw (9,10) in small equal turns and in the se-
quence as per Figure C-3. Refer to Appendix B, Table B-1 for the correct torque.
7.
For Spring Return units, place the black warning sticker (13) on the end cap. For
Double Acting units, place the white warning sticker (12) on the end cap.
Figure C-3
Assembly of Full Stroke adjustment end cap kit
7
40
10
9
3
1
4
2
11
11
2
2
11
11
10
9
10
9
10
9
40
40
40
13
12
Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
September 2017
59
Appendix
