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General| Brand | Woodward |
|---|---|
| Model | PG200 |
| Category | Controller |
| Language | English |
Prime mover must have independent overspeed shutdown device.
Use appropriate PPE for handling products that may present risks.
Be prepared for emergency shutdown during start-up.
Mobile applications require independent supervisory control system.
Read installation chapter, ensure linkages are secured before initial operation.
Use gasket, install square, ensure smooth driveshaft, vertical position.
Align linkage to prevent binding, ensure proper angular position to fuel control.
Adjust linkage for at least 15% travel at idle no-load for stability.
Connect pneumatic, hydraulic, and electrical interfaces per figures.
Use oil with correct viscosity, additives, and compatibility with seals.
Clogged filter hinders control; oil cleanliness and temperature are critical.
High temperature causes oil oxidation; use heat exchanger if needed.
Replace contaminated oil; flush with solvent and refill with new, clean oil.
Hydraulic amplifier converts torque motor beam position to servo position.
Pilot valve positions based on hydraulic pressure balance and torque motor beam.
Electromagnetic coil and beam change torque motor beam position via current.
Spring setting and torque-motor wiring determine direct/reverse action.
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