Proval A212 Series Manuals

Manuals and User Guides for Proval A212 Series. We have 1 Proval A212 Series manual available for free PDF download: Installation, Operation And Maintenance Manual

Proval A212 Series Installation, Operation And Maintenance Manual

Proval A212 Series Installation, Operation And Maintenance Manual (48 pages)

Rack and Pinion Pneumatic Actuators

Brand: Proval | Category: Controller | Size: 1 MB

Table of Contents

Table of Contents
2
Section 1: before You Start
4
Installation, Operation and Maintenance Reference Documents
4
Warehouse Storage
4
On-Site Storage
5
Section 2: Introduction
6
Identification
6
Intended Use
7
Specifications
7
Section 3: Product Code
9
Configuration Code for a Default Actuator
9
Section 4: Installation
10
Before You Start
10
Failure Modes
10
Valve Rotation
10
Position after Failure
11
Principles of Operation
11
Solenoid Valve
11
Ingress Protection (IP) Rating
12
Double-Acting Actuators
13
Spring-Return Actuators
14
Actuator Assembly Codes
15
Actuator to Valve Installation
16
Mounting of Control and Feedback Accessories
18
Recommended Tubing Sizes
19
Section 5: Mechanical Stroke Adjustment
20
Travel Stop Adjustment
21
Double-Acting Actuators
21
Spring-Return Actuators
21
Section 6: Maintenance
23
General
23
Spring-Return Actuator
23
Recommended Spare Parts
23
Repair
24
Section 7: Decommission (out of Service)
25
Before You Start
25
Removing the Actuator from the Valve
26
Section 8: Disassembly
27
Removing End Caps
28
Removing Spring Cartridges (Spring-Return)
29
Removing of Limit Stop
30
Removing Pistons
30
Removing Pinion
31
Cleaning the Body
31
Section 9: Reassembly
32
Grease Instructions
33
Reassembly of the Pinion
34
Reassembly of the Pistons
35
Reassembly and Settings of the Limit Stops
37
Reassembly of the End Caps
37
Double-Acting Actuators
37
Spring-Return Actuators
39
Basic Function and Air Leak Test
41
Section 10: Troubleshooting
42
Mechanical Problems
42
Pneumatic Problems
43
Electrical Problems
44
Section 11: Parts List and Spare Parts Recommendations
45
Exploded View and Parts List
45
Appendix A: Spring Load Removal
46
Spring Load Relief
46
Appendix B: Tool & Torque Table
47

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