The Murphy Builders Site

I have a fresh 0235-N2C that is not likely to be run for several months. It
has been mounted on the fuselage for three years. Corrosion protection has
been desiccant plugs, exhaust seals and desiccant filled crankcase vent tube and
the airbox has been sealed off using a bag of desiccant. The crankshaft has
not been turned.

Is it possible to lube the camshaft by spinning the engine with the starter?
Is the camshaft lubricated by splash or with an oil galley?

Norm Wandke



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Hi Norm !

Several months ?? Sounds like you are really making progress !!

The lobes are lubricated by splash - not sure if spinning the
starter, even without plugs in, would be enough. Might be just as easy to
drop the oil pan & spray the lobes .... just a thought !

.....bobp

----------------------------orig.-------------------
On Monday 22 March 2004 03:53 pm, you wrote:

I have a fresh 0235-N2C that is not likely to be run for several months. It
has been mounted on the fuselage for three years. Corrosion protection has
been desiccant plugs, exhaust seals and desiccant filled crankcase vent

tube and

the airbox has been sealed off using a bag of desiccant. The crankshaft has
not been turned.

Is it possible to lube the camshaft by spinning the engine with the

starter?

Is the camshaft lubricated by splash or with an oil galley?

Norm Wandke



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G'day from below Norm ;

(Rick here in Australia) ..... The cam BEARINGS are fed from a
pressurised oil gallery .... but the LOBES (which are the things that
really need the lube - especially after a long while with the engine not
having been turned), are only lubed with what throws off the crank
during rotation.
Chuck Ney (you can look him up on the net .... "Ney Enterprises" from
memory), who used to do manufacturing for Lycoming, has invented a
system of nozzles that give a dedicated squirt of oil to the cam lobes
from the side of the case ..... which has solved many of the problems
with engines with camshaft design errors (H2AD for example)..... BUT
.... ther are SOME people who say this is taking oil pressure away from
the rest of the engine in the process and do not like it !?!?

If it were MY 0-235 .... I'd remove the rocker covers & losses off all
the rockers to the point where they didi not push HARD (or at all) on
the cam lobes ... then, remove all the spark plugs , then spin the
engine with the starter for a good couple of minutes !

This'll lube everything up & not put load on anything !
Replace the plugs, re- adjust the rocker clearances (.010" HOT is the
"norm" for solid lifters - which is what your engine should have) .....
so if you make them .015" to start ..... then run the engine for a few
minutes until it heat soaks, stop it & redo the gaps to .010" you will
be right as rain !

Have fun !

PS 541R .................. is BACK IN THE AIR !!! WOooooo Wooooooo
Wooooooo !!!! :-)
----- Original Message -----
From: Newcog@aol.com
To: murphy-rebel@dcsol.com
Sent: Tuesday, March 23, 2004 7:53 AM
Subject: Re: Lycoming Camshaft Lube


I have a fresh 0235-N2C that is not likely to be run for several
months. It
has been mounted on the fuselage for three years. Corrosion
protection has
been desiccant plugs, exhaust seals and desiccant filled crankcase
vent tube and
the airbox has been sealed off using a bag of desiccant. The
crankshaft has
not been turned.

Is it possible to lube the camshaft by spinning the engine with the
starter?
Is the camshaft lubricated by splash or with an oil galley?

Norm Wandke




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If an engine is off an airplane, can it be turned upside down to
get oil on the lobes?

Walter

-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Monday, March 22, 2004 7:43 PM
To: murphy-rebel@dcsol.com
Subject: Re: Lycoming Camshaft Lube



Hi Norm !

Several months ?? Sounds like you are really making
progress !!

The lobes are lubricated by splash - not sure if spinning the
starter, even without plugs in, would be enough. Might
be just as easy to
drop the oil pan & spray the lobes .... just a thought !

.....bobp

----------------------------orig.-------------------
On Monday 22 March 2004 03:53 pm, you wrote:

I have a fresh 0235-N2C that is not likely to be run

for several months. It

has been mounted on the fuselage for three years.

Corrosion protection has

been desiccant plugs, exhaust seals and desiccant

filled crankcase vent
tube and

the airbox has been sealed off using a bag of

desiccant. The crankshaft has

not been turned.

Is it possible to lube the camshaft by spinning the

engine with the
starter?

Is the camshaft lubricated by splash or with an oil galley?

Norm Wandke

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This is how I suggest to store any engine I have sold. Upside down with a
few quarts of oil in it to keep the cam submerged. Just cap the breather
fitting first! Better yet is an adapted engine stand for car engine overhaul
(that rotate). You can buy these cheap at flea markets/tool clearance
outlets for less than $100. Rotating the engine once in awhile to a
different angle keeps everything coated in oil to avoid rusting.

If the wings aren't on maybe Norm can turn the whole thing upside down for a
day or two!

Wayne

----- Original Message -----
From: "Walter Klatt" <Walter.Klatt@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, March 24, 2004 9:30 AM
Subject: RE: Lycoming Camshaft Lube

If an engine is off an airplane, can it be turned upside down to
get oil on the lobes?

Walter

-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Monday, March 22, 2004 7:43 PM
To: murphy-rebel@dcsol.com
Subject: Re: Lycoming Camshaft Lube



Hi Norm !

Several months ?? Sounds like you are really making
progress !!

The lobes are lubricated by splash - not sure if spinning the
starter, even without plugs in, would be enough. Might
be just as easy to
drop the oil pan & spray the lobes .... just a thought !

.....bobp

----------------------------orig.-------------------
On Monday 22 March 2004 03:53 pm, you wrote:

I have a fresh 0235-N2C that is not likely to be run

for several months. It

has been mounted on the fuselage for three years.

Corrosion protection has

been desiccant plugs, exhaust seals and desiccant

filled crankcase vent
tube and

the airbox has been sealed off using a bag of

desiccant. The crankshaft has

not been turned.

Is it possible to lube the camshaft by spinning the

engine with the
starter?

Is the camshaft lubricated by splash or with an oil galley?

Norm Wandke

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At 06:30 AM 3/24/2004 -0800, you wrote:

If an engine is off an airplane, can it be turned upside down to
get oil on the lobes?

Walter

There's a guy near me who has the engine for his Falco project completely
rebuilt and ready to go. He has the engine mounted on a rotisserie and
gives it a couple turns once a month. It's a good thing cuz He's been
working on the tail group for about 10 years. The other thing is to make
sure to use the proper storage oil. I think it tends to creep and keep
everything coated rather than just collecting in the oil sump.
Drew




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Thanks for all the help with camshaft lube. Since The engine is mounted on
the firewall I liked Rick's (Australia) suggestion to back off the valve
adjusters to unload the cam followers and remove all the spark plugs and spin the
engine with the starter for a couple of minutes. I wonder if I could do this
without the prop installed.

A call to Lycoming a couple of years ago came up with advice to completely
fill the engine with oil (auto oil is fine). A good process but not easy to do
to an engine in the process of being installed

An aside to Bob P: I said months but it might be many months (years?).

Norm W.



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