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ProAct III/IV Actuator/Driver 

Manual 04127 

 

 

 

22 

Woodward 

Returning Equipment for Repair 

 
If a control (or any part of an electronic control) is to be returned for repair, 
please contact your Full-Service Distributor in advance to obtain Return 
Authorization and shipping instructions. 
 
When shipping the item(s), attach a tag with the following information: 

 return 

number; 

 

name and location where the control is installed; 

 

name and phone number of contact person; 

 

complete Woodward part number(s) and serial number(s); 

 

description of the problem; 

 

instructions describing the desired type of repair. 

 
 

Packing a Control 

 
Use the following materials when returning a complete control: 

 

protective caps on any connectors; 

 

antistatic protective bags on all electronic modules; 

 

packing materials that will not damage the surface of the unit; 

 

at least 100 mm (4 inches) of tightly packed, industry-approved packing 
material; 

 

a packing carton with double walls; 

 

a strong tape around the outside of the carton for increased strength. 

 

 

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

 
 

Replacement Parts 

 
When ordering replacement parts for controls, include the following information: 

 

the part number(s) (XXXX-XXXX) that is on the enclosure nameplate; 

 

the unit serial number, which is also on the nameplate. 

Summary of Contents for ProAct III

Page 1: ...Installation and Operation Manual ProAct III IV Electric Powered Actuator and Driver Manual 04127 Revision B ...

Page 2: ...ince this copy was produced To verify that you have the latest revision be sure to check the Woodward website www woodward com pubs current pdf The revision level is shown at the bottom of the front cover after the publication number The latest version of most publications is available at www woodward com publications If your publication is not there please contact your customer service representa...

Page 3: ...ion 11 Actuator Installation 11 Actuator Bracket 12 Linkage 13 Electrical Connections 14 Shielded Wiring 14 Power Supply 15 Driver Adjustments 16 Actuator Travel 17 CHAPTER 4 TROUBLESHOOTING 19 Introduction 19 Linkage and Actuator Stroke 19 CHAPTER 5 SERVICE OPTIONS 20 Product Service Options 20 Woodward Factory Servicing Options 21 Returning Equipment for Repair 22 Replacement Parts 22 Engineerin...

Page 4: ... Block Diagram 7 Figure 2 2 ProAct III Actuator Cross Section 9 Figure 2 3 ProAct IV Actuator Cross Section 10 Figure 3 1 Diesel Engine Travel Stops 12 Figure 3 2 Use ProAct Travel Stops for Carburetors 12 Figure 3 3 Example of Actuator Bracket 13 Figure 3 4 Wiring to Power Supply 16 Figure 3 5 ProAct Driver Adjustment Locations 17 Figure 3 6 Tolerance Limits in Driver Setup 18 Table 1 1 ProAct Ac...

Page 5: ...m materials such as plastic or Styrofoam cups cup holders cigarette packages cellophane wrappers vinyl books or folders plastic bottles and plastic ash trays away from the control the modules and the work area as much as possible 4 Do not remove the printed circuit board PCB from the control cabinet unless absolutely necessary If you must remove the PCB from the control cabinet follow these precau...

Page 6: ...ProAct III IV Actuator Driver Manual 04127 iv Woodward ...

Page 7: ...are set by the controlling device not by the actuator and driver Follow the instructions for the controlling device while setting up the engine control system Actuator Model Work Output Part Number CW to Max Part Number CCW to Max ProAct III MS connector 14 J 10 ft lb 8405 009 8405 011 ProAct III conduit fitting 14 J 10 ft lb 8405 010 8405 012 ProAct IV MS connector 27 J 20 ft lb 8405 013 8405 015...

Page 8: ...mber Comments J1 Mating Connector 5416 460 Driver only J2 Mating Connector 5416 461 Driver and Actuator J2 Mating Connector 90 1631 639 Driver and Actuator J3 Mating Connector 203 889 Driver only ProAct III IV Connector Kit 8923 188 J1 J2 2 no J3 Table 1 3 ProAct Accessories ...

Page 9: ...Manual 04127 ProAct III IV Actuator Driver Woodward 3 Figure 1 1 ProAct Driver Outline Drawing Conduit version shown MS connector version has connector plugs ...

Page 10: ...ProAct III IV Actuator Driver Manual 04127 4 Woodward Figure 1 2 ProAct III Actuator Outline Drawing ...

Page 11: ...Manual 04127 ProAct III IV Actuator Driver Woodward 5 Figure 1 3 ProAct IV Actuator Outline Drawing ...

Page 12: ...s J1 5416 460 J2 5416 461 J3 203 889 NOTE 2 Shielded wires to be twisted pairs with shield grounded at driver end only NOTE 3 8 6 or 4 mm 8 10 or 12 AWG stranded wire Must be as short as possible Maximum actuator wire lengths are shown on page 12 Figure 1 4 Plant Wiring Diagram ...

Page 13: ...modified by signals from a position feedback velocity and current sensor from the actuator see Figure 2 1 Figure 2 1 ProAct III and IV Functional Block Diagram Electronic Circuits All circuits in the ProAct driver are solid state and are not serviceable in the field The printed circuit board is manufactured by Woodward to provide maximum tolerance to temperature and vibration Three potentiometers ...

Page 14: ... the output changes with a given actuator position change and is used to adjust the maximum output current The adjustments are interrelated and may need to be repeated until the desired output is achieved Actuator Position Signal The feedback device is located on the closed shaft of the actuator The device is a rotary transducer which changes resistance proportional to the location of the shaft Th...

Page 15: ...Manual 04127 ProAct III IV Actuator Driver Woodward 9 Figure 2 2 ProAct III Actuator Cross Section MS connector plug shown conduit version has conduit connector ...

Page 16: ...ProAct III IV Actuator Driver Manual 04127 10 Woodward Figure 2 3 ProAct IV Actuator Cross Section MS connector plug shown conduit version has conduit connector ...

Page 17: ...ose to the engine being controlled Do not install the driver directly on the engine The location should provide protection from high voltage or high current devices or devices which produce electromagnetic interference After initial adjustments are completed access to the driver will not be required for normal engine operation Actuator Installation Thermal The actuators are designed for installati...

Page 18: ...ould be used at both minimum and maximum positions Note that the stops will allow up to 3 degrees of additional rotation in both directions during impact see Figure 3 2 The engine must always shut down when the actuator is at the minimum stop Actuator Bracket The actuator may be installed on a bracket which attaches to the base with four M8x1 25 0 312 18 screws with a minimum engagement of 16 mm 0...

Page 19: ... linkage from stop to stop as if the actuator were moving it The linkage must move freely without friction and without backlash Lubricate or replace worn linkage or fuel control parts as required A light loading spring to minimum fuel is included in the actuator A positive shutdown is necessary in the event of a loss of power to the actuator driver The actuator s maximum slew rate can place stress...

Page 20: ...fuel flow To decrease the amount of rotation used move the rod end farther from the actuator shaft or closer to the shaft controlling fuel flow Electrical Connections External wiring connections and shielding requirements for a typical control installation are shown in the plant wiring diagram see Figure 1 4 Use 8 6 or 4 mm 8 10 or 12 AWG wire throughout the ProAct circuit The total distance from ...

Page 21: ...cond insulated wire directly from the negative terminal of the battery to the driver Neither of these connections needs to be shielded Run the power leads directly from the power source to the control DO NOT POWER OTHER DEVICES WITH LEADS COMMON TO THE CONTROL see Figure 3 4 For controls with MS type connector controls and actuators connect the positive line to terminal J1 A and negative common to...

Page 22: ... See Figure 3 5 for the location of potentiometers on the driver box Always hold onto the side of the control box with one hand while making an adjustment with the other hand This prevents possible static damage to parts Use an insulated screwdriver to make adjustments Extensive damage is possible if the high voltages present inside the box are shorted to elements on the board ...

Page 23: ...tor disconnected from the linkage but with the inertia disk in place DO NOT START THE ENGINE AT THIS TIME Vary the current into the mA input to the driver and observe actuator angle Adjust span and offset to achieve the desired relationship see Figure 3 6 Failure to make this adjustment correctly may result in the inability to shut off fuel or the inability to reach full fuel position After this a...

Page 24: ...ProAct III IV Actuator Driver Manual 04127 18 Woodward The actuator position feedback sensor is factory set and should not be adjusted Figure 3 6 Tolerance Limits in Driver Setup ...

Page 25: ... power supply and the linkage before making any adjustments to the actuator or driver Always check the fuel control linkage from stop to stop as if the actuator were moving it The linkage must move freely without friction and without backlash Some fuel controls will present problems at particular fuel or rack positions because of a hesitation or binding in the linkage Fuel supply and injector cond...

Page 26: ...quipment system documentation for details Woodward Business Partner Support Woodward works with and supports a global network of independent business partners whose mission is to serve the users of Woodward controls as described here A Full Service Distributor has the primary responsibility for sales service system integration solutions technical desk support and aftermarket marketing of standard ...

Page 27: ...advance of a scheduled outage to request a replacement control unit If the unit is available at the time of the call it can usually be shipped out within 24 hours You replace your field control unit with the like new replacement and return the field unit to the Full Service Distributor Charges for the Replacement Exchange service are based on a flat rate plus shipping expenses You are invoiced the...

Page 28: ...ng materials when returning a complete control protective caps on any connectors antistatic protective bags on all electronic modules packing materials that will not damage the surface of the unit at least 100 mm 4 inches of tightly packed industry approved packing material a packing carton with double walls a strong tape around the outside of the carton for increased strength To prevent damage to...

Page 29: ...pment with which our products interface For information on these services please contact us via telephone email us or use our website and reference www woodward com support and then Customer Support How to Contact Woodward For assistance call one of the following Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get informati...

Page 30: ...gaseous steam etc Rating Application Control Governor Information Please list all Woodward governors actuators and electronic controls in your system Woodward Part Number and Revision Letter Control Description or Governor Type Serial Number Woodward Part Number and Revision Letter Control Description or Governor Type Serial Number Woodward Part Number and Revision Letter Control Description or Go...

Page 31: ...duit CW to max 8405 011 ProAct III MS connector CCW to max 8405 012 ProAct III conduit CCW to max 8405 013 ProAct IV MS connector CW to max 8405 014 ProAct IV conduit CW to max 8405 015 ProAct IV MS connector CCW to max 8405 016 ProAct IV conduit CCW to max Driver Box Operating Temperature Range 40 to 70 C 40 to 158 F Storage Temperature Range 55 to 105 C 67 to 221 F Humidity 95 at 38 C US MIL STD...

Page 32: ...st Drake Road Fort Collins CO 80525 USA Phone 1 970 482 5811 Fax 1 970 498 3058 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 2009 4 Fort Collins ...

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