The Woodward Dyna Actuator DC11006-304-024, originally engineered by Barber-Colman, is a highly dependable proportional electric actuator designed for precise engine speed and fuel control. Built to withstand rugged industrial and heavy-duty operational environments, this compact actuator delivers rapid response times and exceptional positioning accuracy. It serves as a critical component in governing systems for diesel engines, gas turbines, and industrial machinery where stable and reliable throttle control is paramount.
Product Datasheet & Technical Parameters
- 💡 Operating Voltage: 24 V DC nominal control supply framework
- ⚖️ Weight: Approximately 2.1 kg to 2.6 kg depending on the specific linkage hardware
- 🌍 Origin: United States / Authorized Global Manufacturing Facilities
- ⚡ Current Consumption: Low nominal draw with peak holding currents optimized for continuous duty
- 🔧 Mounting Type: Direct flange or bracket mounting interface for secure engine alignment
- ⏱️ Response Time: Extremely fast actuator stroke recovery under 35 milliseconds
- 🛡️ Protection Rating: IP54 dust and moisture resistance classification for engine compartment use
- 💧 Operating Torque: High output torque capability designed to overcome heavy fuel linkage friction
- 🔄 Control Signal: Proportional electrical input compatible with standard electronic engine governors
- 🌡️ Operating Temperature: Thermal range from -40°C to +95°C for extreme climate adaptability
Application Fields
- Industrial diesel and natural gas generator set governing systems
- Heavy-duty marine propulsion and auxiliary engine speed control
- Oil and gas compressor turbine fuel flow regulation
- Agricultural and construction off-highway machinery automation
- Industrial locomotive and heavy transport power units
Product Precautions
- Ensure the mechanical linkage between the actuator and the fuel pump lever moves freely without binding or excessive play to prevent premature motor wear.
- Verify that the DC power supply voltage remains within acceptable operational tolerances to avoid erratic governor performance or internal coil overheating.
- Protect the electrical harness from direct exposure to corrosive fluids, high-heat exhaust manifolds, and severe vibration sources.
Parameter Settings & Modification Methods
- Adjust the governor gain and stability potentiometer settings carefully during initial calibration to eliminate hunting or actuator oscillation.
- Calibrate the minimum and maximum fuel stop positions mechanically and electronically to match the specific engine displacement limits.
- Ensure proper droop and speed setting configurations are saved or locked on the external controller before putting the unit into active service.
Manual/Automatic Mode Switching
- Engage manual throttle control overrides only when the engine is shut down or running at a stable idle state during maintenance procedures.
- Verify that the electronic governor controller is placed in manual or standby mode before disconnecting any feedback sensor lines.
- Confirm that automated synchronization and load-sharing loops are fully functional before transitioning the system back to automatic operation.
Emergency Shutdown Operations
- Trip the external fuel shutoff solenoid or emergency stop circuit immediately to cut fuel delivery during critical overspeed events.
- Disconnect the main DC power breaker to the actuator control loop to lock the throttle linkage in the zero-fuel position safely.
- Inspect the entire mechanical governor linkage and electrical wiring for structural damage before attempting a system restart.
Frequently Asked Questions (Q&A)
- Q: What causes the actuator to oscillate or hunt during steady-state operation? A: Actuator hunting is usually caused by excessive linkage wear, incorrect governor gain settings, or unstable electrical supply signals from the controller.
- Q: Can this actuator operate without an external electronic governor? A: No, the Dyna actuator requires a compatible proportional driver or electronic speed control unit to process sensor inputs and supply the correct variable current signals.
Industry News & Updates
Recent developments in electronic engine governing emphasize the integration of digital microprocessor-based controllers with brushless electric actuators. These modern configurations reduce mechanical maintenance requirements while offering enhanced diagnostic feedback, allowing operators to monitor actuator health and valve response times remotely across complex industrial networks.
Recommended Related Series Models
- Woodward Dyna 8000 Series Actuator
- Woodward ProAct ISC Integrated Speed Controller
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- Barber-Colman DYNA 700 Series Actuator
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