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Woodward EGB-1P Control Actuator Manuals
Manuals and User Guides for Woodward EGB-1P Control Actuator. We have
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Woodward EGB-1P Control Actuator manual available for free PDF download: Installation And Operation Manual
Woodward EGB-1P Installation And Operation Manual (68 pages)
Governor/Actuator
Brand:
Woodward
| Category:
Controller
| Size: 2.22 MB
Table of Contents
Table of Contents
3
Warnings and Notices
6
Electrostatic Discharge Awareness
7
Chapter 1. General Information
9
Introduction
9
Figure 1-1. EGB-2P Governor/Actuator
9
Description
10
Figure 1-2. EGB-2P and -1P Work Output
10
Figure 1-3. Solenoid Shutdown Connection
13
Figure 1-4. Outline Drawing of EGB-2P Governor/Actuator
14
Chapter 2. Installation Procedures
15
General Installation
15
Linkage Adjustment
15
Electrical Connections
16
Governor/Actuator Drive
16
Oil Supply
16
Chapter 3. Principles of Operation
20
Introduction
20
Actuator Control
21
Governor Control
21
Speed Droop
23
Figure 3-1. Schematic Diagram of EGB-2P Governor/Actuator
25
Chapter 4. Adjustments
26
Introduction
26
Recommended Tools
26
Preliminary Adjustments
26
Governor Needle Valve Setting
27
Figure 4-1. Speed Setting Adapter Plate
27
Speed Droop Adjustment
28
Centering Pilot Valve Plunger
28
Figure 4-2. Actuator Test Circuit
29
Speed Adjustment
30
Adjustments after Tests
31
Chapter 5. Maintenance
32
Introduction
32
Troubleshooting
32
Removing the EGB-2P
33
Disassembly
34
Figure 5-1. Pilot Valve Wrench
34
Figure 5-2. Ballhead Disassembly
36
Parts Check
37
Assembly
37
Figure 5-3. Check Valve Installation
37
Figure 5-4. Speeder Spring Parts Layout
38
Figure 5-5. Speeder Spring Subassembly
38
Figure 5-6. Mechanical Governor Pilot Valve Assembly
38
Figure 5-7. Actuator Pilot Valve Assembly
39
Figure 5-8. Clamp Bracket Parts Layout
39
Figure 5-9. Clamp Bracket Subassembly
39
Figure 5-10. Ballhead Parts Layout
40
Figure 5-11. Ballhead Cover Assembly
40
Figure 5-12. Ballhead Assembly
41
Figure 5-13. Buffer System Parts Layout
41
Figure 5-14. Needle Valve Assembly
42
Figure 5-15. Parts Layout, Pistons and Levers
42
Figure 5-16. Power Piston Assembly (Large Size Piston)
43
Figure 5-16A. Power Piston Assembly (Small Size Piston)
43
Figure 5-17. Power Piston Linkage Assembly
44
Figure 5-17A. Obtaining Rocking Motion in Power Pistons
44
Figure 5-17B. Raising Power Pistons
45
Figure 5-17C. Dropping Power Pistons
45
Figure 5-17D. Removing Play in Power Piston Assembly
46
Figure 5-17E. Removing Play in Assembly
46
Figure 5-18. Piston Placement
47
Figure 5-19. Piston Link Assembly
47
Figure 5-20. Base and Parts
47
Figure 5-21. Bushing Assemblies
48
Figure 5-22. Relief Valve & Piston Sleeve Assembly
48
Figure 5-23. Ballhead Assembly
49
Figure 5-24. Thrust Bearing & Spring Seat Assembly
49
Figure 5-25. Centering Pilot Valve Plunger
50
Figure 5-26. Base Assembly
50
Figure 5-27. Transducer Parts Assembly
51
Figure 5-28. EGB-2P Diagram
51
Figure 5-29. Plug & Transducer Installation
52
Figure 5-30. Clamp Bracket Assembly
52
Figure 5-31. Transducer Compression Spring & Ratio Adjustment Plate
52
Figure 5-32. Terminal Shaft Installation
53
Figure 5-33. Speed Droop Lever
53
Figure 5-34. Speed Droop Lever Assembly
54
Figure 5-35. Dial Plate & Seal Assembly
54
Figure 5-36. Speed Adjusting Shaft Assembly
55
Figure 5-37. Cover Assembly
55
Figure 5-38. Final Assembly
55
Manual Override Assembly (Optional)
56
Figure 5-39. Final Assembly
56
Figure 5-40. Manual Override Parts Layout
56
Lubrication
57
Chapter 6. Auxiliary Devices
58
Introduction
58
Manual and Pneumatic Overrides for Actuator
58
Spring Driven Ballhead
58
Magnetic Pickup
58
Figure 6-1. Manual Override Assembly
59
Figure 6-2. Cover with Manual Override
59
Chapter 7. Replacement Parts
60
Introduction
60
Figure 7-1. EGB-2P Exploded View
62
Chapter 8. Product Support and Service Options
63
Product Support Options
63
Product Service Options
63
Returning Equipment for Repair
64
Replacement Parts
64
Engineering Services
65
Contacting Woodward's Support Organization
65
Technical Assistance
66
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