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Message-ID: <2e24f88d0703312020m139bf918jc56b67d428507dd9@mail.gmail.com>
Date: Sat, 31 Mar 2007 21:20:33 -0600
From: "Hans Conser" <hansconser@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Torque specs
In-Reply-To: <2e24f88d0703312019n225e5f76v98cf4168d84c7ecc@mail.gmail.com>
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	 <2e24f88d0703312019n225e5f76v98cf4168d84c7ecc@mail.gmail.com>

Ooops, 20B, I was thinking 13B, please ignore.

On 3/31/07, Hans Conser <hansconser@gmail.com> wrote:
> 27 foot pounds per Mazda.  I take mine to 29 after taking them all to 27.
>
> Hans
>
> On 3/31/07, Al Gietzen <ALVentures@cox.net> wrote:
> >
> >
> >
> >
> >
> >
> > Anybody know the torque spec for the 2 larger diameter tension bolts (21mm
> > head) that go in from the front on a 20B?
> >
> >
> >
> > I discovered that there was a coolant leak into the oil, and after removal
> > of the engine from the plane in order to get the pan off; I discovered the
> > 21mm tension bolt inside the front cover had not been tightened. Then found
> > the other behind the CAS was also loose.  Last year I had an external leak
> > at one of the 21mm bolts a the rear housing, and found that the two at the
> > back had not been torqued. Pretty hard to imagine a rebuilder overlooking
> > torquing the main bolts that hold an engine together.
> >
> >
> >
> > Al
>