Aurora Generators ES52 — Adjusting Timer Duration

Adjustments · Timer pot, terminals 12 and 5, Start/Stop terminal 10

For the Aurora Generators ES52, from the Aurora Generators service manual.

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Procedure

1. Glow Plug setting (DIP switches 7 and 8 OFF): remove wires from Timer terminal #12 and Crank terminal #5.
2. Apply power to Start/Stop terminal #10.
3. Measure time Timer LED remains ON.
4. Remove power from Start/Stop terminal #10.
5. Increase or decrease pot setting as required; pot resolution is 1.6 seconds/turn.
6. Return to step 2 as needed.
7. Reconnect wires to Timer terminal #12 and Crank terminal #5.
8. Slow setting (DIP switches 7 and 8 ON): apply power to Start/Stop terminal #10.
9. Allow engine to crank and start; Engine Running LED turns ON.
10. Timer LED illuminates; measure time LED remains ON.
11. Adjust pot as required; pot resolution is 12.8 seconds/turn.
12. Return to step 1 as needed.

Source: Aurora Generators 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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