Woodward 3161 Governor Operation Manual
Woodward 3161 Governor Operation Manual

Woodward 3161 Governor Operation Manual

Air pressure fuel limiter
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Product Manual 03108
(Revision B)
Original Instructions
3161 Governor
Air Pressure Fuel Limiter
Operation Manual

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Summary of Contents for Woodward 3161 Governor

  • Page 1 Product Manual 03108 (Revision B) Original Instructions 3161 Governor Air Pressure Fuel Limiter Operation Manual...
  • Page 2 Protection of Electronic Controls, Printed Circuit Boards, and Modules. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, no responsibility is assumed by Woodward unless otherwise expressly undertaken.
  • Page 3: Table Of Contents

      Technical Assistance .................... 18 Illustrations and Tables   Figure 1-1. Outline Drawing of 3161 Governor with Air Pressure Fuel Limiter ..2   Figure 2-1. Schematic of Air Pressure Fuel Limiter on the 3161 Governor ... 4   Figure 3-1. Disassembly of Bellofram Assembly ............ 7  ...
  • Page 4 3161 Air Pressure Fuel Limiter Manual 03108 Woodward...
  • Page 5: Chapter 1. General Information

    General Information Introduction This manual describes the operation, repair, and calibration of the Air Pressure Fuel Limiter that is available for the 3161 governor. This device is installed and calibrated at the factory. Description The Air Pressure Fuel Limiter limits fuel in proportion to air pressure from the air manifold or air box.
  • Page 6: Figure 1-1. Outline Drawing Of 3161 Governor With Air Pressure Fuel Limiter

    3161 Air Pressure Fuel Limiter Manual 03108 Figure 1-1. Outline Drawing of 3161 Governor with Air Pressure Fuel Limiter Woodward...
  • Page 7: Chapter 2. Principles Of Operation

    Oil pressure on the limiter piston is lowered, letting the limit servo spring raise the piston and output rod, allowing the limit/shutdown pilot valve to raise. Fuel limit level is then increased. Woodward...
  • Page 8: Figure 2-1. Schematic Of Air Pressure Fuel Limiter On The 3161 Governor

    3161 Air Pressure Fuel Limiter Manual 03108 Figure 2-1. Schematic of Air Pressure Fuel Limiter on the 3161 Governor Woodward...
  • Page 9: Chapter 3. Troubleshooting, Repair, And Calibration

    Fuel Limiter. Refer to manual 03101 to calibrate the governor. Be prepared to make an emergency shutdown when starting the engine, turbine, or other type of prime mover, to protect against runaway or overspeed with possible personal injury, loss of life, or property damage. Woodward...
  • Page 10 3161 Air Pressure Fuel Limiter Manual 03108 Woodward...
  • Page 11: Disassembly

    Remove bellofram piston (28) and upper rolling bellofram (27). Remove screw (23), lower rolling bellofram (24), bellofram guide (25), and spacer (26). It is not necessary to remove plug (2), O-ring (3), or screw (4) unless limiter cover (5) has to be replaced. Woodward...
  • Page 12: Assembly

    Use only new O-rings and gaskets. Careful, precise assembly methods will save time, and help to ensure correct calibration and operation of the device. Torque all 1/4-20 screws to 10 Nm (90 lb-in). Woodward...
  • Page 13: Calibration Procedures

    Fill the governor with 2.2 L (2.3 qt) of clean oil that has a viscosity of 100 to 300 SUS with an oil temperature for continuous governor operation of 66 to 82 °C (150 to 180 °F). Woodward...
  • Page 14: Figure 3-2. Air Pressure Fuel Limiter And Cover Assembly

    Turn the limit level adjustment screw (Figure 3-3) to position the output shaft (terminal shaft) at 38 degrees travel. Apply the specified arming air pressure to the limiter. (If the governor is to be armed at all times, use 0 kPa/psi). Woodward...
  • Page 15: Figure 3-3. Fuel Limit Level And Range

    0. Remove the governor cover. Loosen the 7/16 hex head screw and move the limiter cam (range adjustment) towards the front of the governor. Retighten the screw. INSTALL THE GOVERNOR COVER and repeat steps 6 and 7. Woodward...
  • Page 16 Raise and lower the control air slowly between the specified minimum and maximum pressures. Output shaft position should respond to small changes and seek positions between minimum and maximum specifications proportional to the pressures applied. Replace and tighten plugs over the level adjusting and arming adjusting screws. Woodward...
  • Page 17: Chapter 4. Replacement Parts

    03108-24 Lower rolling bellofram ......1 03108-25 Bellofram spacer ........1 03108-26 Spacer ............1 03108-27 Upper rolling bellofram ......1 03108-28 Bellofram piston ........1 03108-29 Nut .250-28 ..........1 03108-30 Pin .3135 Dia. x .515 ........ 1 Woodward...
  • Page 18: Figure 4-1. Exploded View Of 3161 Air Pressure Fuel Limiter

    3161 Air Pressure Fuel Limiter Manual 03108 Figure 4-1. Exploded View of 3161 Air Pressure Fuel Limiter Woodward...
  • Page 19: Chapter 5. Product Support And Service Options

    A current list of Woodward Business Partners is available at www.woodward.com/directory. Product Service Options Depending on the type of product, the following options for servicing Woodward products may be available through your local Full-Service Distributor or the OEM or Packager of the equipment system.
  • Page 20: Returning Equipment For Repair

    To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual 82715, Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, and Modules.
  • Page 21: Engineering Services

    Field Service engineering on-site support is available, depending on the product and location, from one of our Full-Service Distributors. The field engineers are experienced both on Woodward products as well as on much of the non- Woodward equipment with which our products interface.
  • Page 22: Technical Assistance

    Manual 03108 Technical Assistance If you need to contact technical assistance, you will need to provide the following information. Please write it down here before contacting the Engine OEM, the Packager, a Woodward Business Partner, or the Woodward factory: General...
  • Page 23 Manual 03108 3161 Air Pressure Fuel Limiter Woodward...
  • Page 24 Email and Website—www.woodward.com Woodward has company-owned plants, subsidiaries, and branches, as well as authorized distributors and other authorized service and sales facilities throughout the world. Complete address / phone / fax / email information for all locations is available on our website.

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