Generac — Preparation for Start-up (Start-up Checklist)

Installation · Generator set

From a Generac owner's manual — check it applies to your exact model before use.

Applies to: Generac In Line engine

Procedure

1. Ensure that the 120VAC circuit breaker to the battery charger is open.
2. Remove the fuse from the control panel.
3. Connect the battery cables to the battery; attach negative battery cable last.
4. Close the 120VAC circuit breaker to the battery charger.
5. Measure the voltage at the battery before and after the charger is turned on.
6. Verify all AC electrical connections are tight at the circuit breaker and transfer switch.
7. Check all hoses, clamps and fittings for leaks or damage.
8. Verify the AUTO/OFF/MANUAL switch is in the OFF position.
9. Open the valve to the engine fuel line and bleed the fuel system of air.
10. Open the generator main line circuit breaker.
11. Connect a manometer to the gas line and record the static pressure.
12. Insert the fuse into the control panel.
13. Move the AUTO/OFF/MANUAL switch to the MANUAL position; the engine should crank and start.

Source: Generac owner's 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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