jetcareers - View Single Post - What to do on first flight in a LONG time?

Stoneage · March 21st, 2007, 16:23

Whether you pull the prop through by hand or turn with the starter the effect is the same. It is important to Avoid turning the prop backward as this will not allow the oil pump to push oil through the engine. Turn the prop forward and the oil pump will start pushing oil to where it is needed most - the crank and cam bearings. While pulling the prop through listen for any scraping sounds, usually all you hear is air moving, the gears in the accessory case meshing and the magnetos clicking. If you do hear scraping see if you can isolate its source - magnetos somtimes make a lot of noise after sitting for a long time.

I am not an A&P but have worked on a couple of C-85s which are good, reliable engines.

--StoneAge

March 21st, 2007, 16:23	#7
Stoneage Junior Member Join Date: Feb 2007 Location: Oregon, USA Posts: 39	Re: What to do on first flight in a LONG time? Whether you pull the prop through by hand or turn with the starter the effect is the same. It is important to Avoid turning the prop backward as this will not allow the oil pump to push oil through the engine. Turn the prop forward and the oil pump will start pushing oil to where it is needed most - the crank and cam bearings. While pulling the prop through listen for any scraping sounds, usually all you hear is air moving, the gears in the accessory case meshing and the magnetos clicking. If you do hear scraping see if you can isolate its source - magnetos somtimes make a lot of noise after sitting for a long time. I am not an A&P but have worked on a couple of C-85s which are good, reliable engines. --StoneAge