Jacj G. wrote this
Re: [COUPERS] Pulling prop through!
Sun, 9 Jan 2000 12:52:52 -0700
Jack Gocha wrote:
> Hi Group
> I'm sure most all of you already know that if the magneto ground
is loose
> or disconnected the engine could start even with the mag switch turned
off.
> I always turn the prop backwards, by hand, before starting the engine.
> Notice I said BACKWARDS, that way the impulse part of the mags doesn't
> operate and allow it to start at slow rpms. However if your engine is
> equipped with a dry vacuum pump, turning it backwards can cause damage
to the vanes in the pump and should be avoided.
> This may sound like unneeded info but if it prevents an injury
or death it's well worth saying.
> added:
> Even with all switches off the engine may pop and plop your arm off.
Watch out!