Generac QT 3.9L 40kW — Retransfer and Shutdown
Operation · Generator and transfer switch
For the Generac QT 3.9L 40kW, from the Generac owner's manual.
Applies to: Generac QT 3.9L 40kW, Generac QT Series, Generac V-type engine
Procedure
- Set generator main line circuit breaker to OFF (or OPEN).
- Move transfer switch handle to UTILITY (NORMAL) position.
- Turn ON the utility power supply to the transfer switch.
- Let generator run at no-load a few minutes to stabilize temperatures.
- Shut down the generator.
Full service-parts list: Generac QT 3.9L 40kW →, Generac QT Series →
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.