Olympian XQ30P2 — Electronic Governor Set up procedure for XQ30P2 Models

Adjustments · electronic governor / fuel pump speed arm

For the Olympian XQ30P2, from the Olympian service manual.

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Procedure

1. Using special tool 995-227, adjust low and high speed stop screws (items 1 and 2) so the throttle arm on the fuel pump is locked in the vertical position.
2. Disconnect the governor actuator rod from the throttle arm on the fuel pump and the governor actuator arm.
3. Set droop screw (item 3) for rated speed: turn counter-clockwise until it stops, then turn in 6 to 7 full turns for 60 Hz.
4. Start the engine.
5. Adjust the high speed stop screw to give 3 to 4 Hz above rated speed when the arm is held against the stop at no load.
6. Adjust the low speed stop screw to give 4 to 5 Hz below rated speed at no load; do not unscrew too far.
7. Stop the engine.
8. Replace the governor actuator arm with the new straight arm, part number 171-021.
9. Reconnect the electronic governor actuator rod to the speed arm on the fuel pump.
10. Connect the actuator rod to the top hole (nearest the actuator) of the actuator arm.
11. Check the actuator allows the speed arm to reach the fuel pump adjustment stops; adjust actuator rod length if not.
12. Start the engine and set the rated speed on the electronic governor to the rated speed.
13. Adjust the gain and stability on the electronic governor until the engine speed is stable at no load.
14. Rated speed, gain and stability adjustments may need a number of iterations to give stable operation.
15. Stop the engine.

Source: Olympian service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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