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Generac 6.8L V-10 / V-10 6.8L — Preparation for Start-up (Start-up Checklist)

Installation · Generator

For the Generac 6.8L V-10 / V-10 6.8L, from the Generac owner's manual.

Applies to: Generac V-10 6.8L, Generac V-type engine, Generac V-type 6.8L engine

Procedure

  1. Ensure the 120VAC circuit breaker to the battery charger is open.
  2. Remove the 15 Amp ATO fuse from the control panel.
  3. Connect the battery cables to the battery; attach negative cable last.
  4. Close the 120VAC circuit breaker to the battery charger.
  5. Measure battery voltage before and after charger is turned on.
  6. Verify all AC electrical connections are tight.
  7. Check all hoses, clamps, fittings for leaks or damage.
  8. Open the valve to the engine fuel line and bleed the fuel system of air.
  9. Open the generator main line circuit breaker.
  10. Connect a manometer to the gas line and record static pressure.
  11. Insert the fuse into the control panel.
  12. Move the AUTO/OFF/MANUAL switch to manual; engine should crank and start.
  13. Check voltage at the generator terminals and phase rotation for 3-phase units.
  14. Close the generator main line circuit breaker and turn the set off.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Generac V-10 6.8L →

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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