ADEPT 30332-00380 Analog output module

Once the 2301D-ST is installed, perform the following checkout procedure before beginning the start-up adjustments in Chapter 4.The actuator lever should be near but not at the minimum position when the steam rack is at the minimum position. If the actuator lever gets to its minimum position before completely shutting off steam, the control may not be able to shut down the prime mover, causing damage to equipment or injury or death.

Visual Inspection 

1. Check the linkage between the actuator and the valve on the steam turbine for looseness or binding. Refer to the appropriate actuator manual and to manual 25070, Electronic Control Installation Guide, for additional information on linkage.

2. Check for correct wiring in accordance with the plant wiring diagram, Figure 2-3. 3. Check for broken terminals and loose terminal screws. 4. Check the speed sensor for visible damage. 5. Check the clearance of the magnetic pickup between the gear and the sensor and adjust if necessary.

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