lml@lancaironline.net Mailing List Archive

When I bought my Chipmunk the engine was sealed with blue silicone (rebuilt by an IA who also flew it- an example of "professional" work). Until I replaced the engine, little floaties would show up in the oil filter from time to time.

I would add not to use teflon tape on pipe threads- little bits can come off and travel through the system. My IA taught me to use Loctite 592 teflon sealant applied a few threads back from the end of the fitting.

I don't know what you have for an engine but I'd suggest buying the maintenance/overhaul manual that would apply. The ones I have for the IO- and TSIO-550's contain tables of approved lubricants for specific gaskets and seals, even stating how to apply the stuff. For example, Dow Corning No. 4 is applied to both sides of the gasket for the governor pad.

When the time comes to hook up the engine I'll be using the manual and the parts book a lot! -Bill Wade

----- Original Message -----

From: marv@lancair.net

To: lml@lancaironline.net

Sent: Wednesday, August 13, 2008 10:39 AM

Subject: [LML] Re: Basic Engine Questions

Posted for "RICHARD L KIDDER" <rich5606@msn.com>:

Bryan, different gaskets will use a compound that is designed for each
application, such as what fluid is being retained, ie; fuel, oil, etc. and
whether or not the seal will be permanent or removable in service. Each
component may have a specific material called out for in its service
literature. Common compounds are Fuel Lube, a sticky bees wax like paste,
Permatex 2 Form a Gasket for a more permanent seal, engine or hydraulic oil is
sometimes used on O rings. DC4 [Dow Corning] is a dielectric paste that is
used on removable gaskets such as oil filters and oil screen gaskets. Avoid
the use of the automotive SILICONE types, as they may squeeze out and put
strings of silicone in places the should not be, like in your fuel system
Please get some advice from a local A/P to prevent any problems if you are
not familiar with these products. Rich Kidder, Carbonair...
----- Original Message -----
From: Bryan Wullner<mailto:vonjet@gmail.com>
To: lml@lancaironline.net<mailto:lml@lancaironline.net>
Sent: Monday, August 11, 2008 12:26 PM
Subject: Basic Engine Questions

I am installing my engine and I have to install the carb, prop gov, etc.
For installing new gaskets for these items is there anything I need to use on
the gaskets or do I just install the gaskets ask they come and bolt everything
up?
--

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