Table of Contents
1 Introduction and Safety ....................................................................................................................................2
1.1 Safety message levels ..............................................................................................................................2
1.2 User health and safety ..............................................................................................................................2
2 Product Description ..........................................................................................................................................4
2.1 Actuator identification ................................................................................................................................4
2.2 Bonnet description.....................................................................................................................................5
2.3 Valve diaphragm identification...................................................................................................................6
3 Maintenance.......................................................................................................................................................7
3.1 Precautions ...............................................................................................................................................7
3.2 Inspection ..................................................................................................................................................7
3.3 Tighten the bonnet fasteners.....................................................................................................................7
3.3.1 Fastener torque table for valve body to topworks ........................................................................... 8
3.4 Disassemble the valve ..............................................................................................................................8
3.5 Replace the valve diaphragm....................................................................................................................8
3.6 Adjust the travel (closing) stop ................................................................................................................10
3.7 Change the compressor, tube nut, and snap ring ................................................................................... 11
3.8 Replace the spindle o-rings..................................................................................................................... 11
3.9 Lubrication requirements.........................................................................................................................12
3.10 Replace the actuator diaphragm and spring for fail open actuator........................................................ 12
3.11 Replace the actuator diaphragm and spring for fail close actuator ....................................................... 13
3.12 Replace the actuator diaphragm for double acting actuator.................................................................. 14
3.13 Tighten the actuator cover to cover fasteners ....................................................................................... 15
3.13.1 Fastener torque table for actuator cover to cover ....................................................................... 15
4 Parts Listing and Cross-Sectional Drawings................................................................................................ 16
4.1 Advantage 2.1 actuator parts ..................................................................................................................16
5 Certifications ...................................................................................................................................................17
5.1 Declaration of Conformity........................................................................................................................17
5.2 Declaration of Incorporation ....................................................................................................................19
Table of Contents
Advantage® 2.1 Actuator Maintenance Manual
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