150 Oil Change

150 Oil Change

I plan on changing the oil on a 150 this week.  It apparantly does not have a filter, so I'll need to check and clean the screen.
But, I have a couple of questions.
1.  would a piece of 1/2" or 5/8" garden hose work to attach to the drain nipple to run to the oil pan?
2.  Where is the "screen", how do I get to it to check and clean it?
I can see the drain spout, which I understand needs to be pushed in and turned to open for the oil to drain out, but I don't know where the filter screen is or how to clean and check it.
Is there a downloadable service guide or drawings somewhere that help with this?

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Re: 150 Oil Change

Will,  I admire your enthusiasm for wanting to change your oil.  It sounds to me like this is the first time oil change for you.   I would advise you find a certified mechanic to correctly show you how it is done.  Then the next oil change you do on your own will be a breeze!  Cheers

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Re: 150 Oil Change

> I would advise you find a certified mechanic to
> correctly show you how it is done.  Then the next oil change
> you do on your own will be a breeze!  Cheers

I am 100% with Bill. Please don't even attempt it until you learn how to do it properly. You don't even want to think of the consequences of losing your oil in flight.

Tony

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Re: 150 Oil Change

It's a simple task, but as others have suggested, probably should have some one go through the process with you the first time. There are several areas that could be potential problems, like the oil temp sensor being one.

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Re: 150 Oil Change

I’ll place my vote with the others.  Have a certified mechanic assist you with you first oil change.  Part 43, the section of the regs that allows owner performed maintenance requires that the owner be knowledgeable as to how to do it.  If you are not careful while undoing the nut securing the oil screen, you could damage the oil temp sense bulb capillary tube.  This would be an expensive repair that will ground you for a while. 

Do not forget to PROPERLY log the service.  Incomplete or crude log entries could reduce the value of your aircraft.  If the service is logged improperly, would you believe that the service was performed correctly?

Don’t forget to obtain a Service Manual and the Parts Manual.  You can learn the proper gasket number from the parts manual.  I would not own a plane without them.

John

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Re: 150 Oil Change

Thanks for the tips.  The owner of the planed has done it before, and said he'd get with me to do it this time.
Where can I get a Service and Parts manual?

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Re: 150 Oil Change

> Where can I get a Service and Parts manual?

<http://www.esscoaircraft.com/level.itml/icOid/3710>

Maintenance Manuals and Parts Catalogs are $30 - $40 each, depending on the model year.

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Re: 150 Oil Change

The advise you have been getting from everyone here is perfect.  You can change your oil according to FAR 43 and should learn to do if first.  You will need a pair of safety wire pliers and some practice on tying safety wire.  Your A&P should also explain what to look for in the screen.  You might consider sending an oil sample off for analysis every 2 or 3 changes.  See www.blackstone-labs.com for details.  Take the oil sample while hot and from the middle of the oil dump.  You will also need a new screen gasket.  They are not usually reusable as the crush when tightened on. Don't use Amsoil:)

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Re: 150 Oil Change

Will,

I agree with the others.  I go through about 4 oil changes a year.  I've yet to perfect my technique to avoid spills.  Anyway, recently I decided that I would periodically do the oil change with an A&P, say once every 3rd  change.  My reasoning is this.  I learn something new everytime, build rapport with him, and I have him look over the engine.  They know much more about what to look for and how things should look.  They can spot trouble when I would not.

Other than that, have fun...

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Re: 150 Oil Change

I took the advise of John, and purchased a Maintenence manual from the website recommended by Stan.  But, although the Service manual is pretty detailed, and covers most 100 series planes, believe it or not, it doesn't give any info. about the process removing and cleaning of the filter screen.  It does not even show where it is.  There are no graphics or photos of one.  The book does mention that the screen should be cleaned and checkd for debris and sludge, but that's all.  What a disappointment! 
I found another problem.  This plane has the gear driven generator.  The manual mentions that the 150 has a belt driven generator or alternator, or a gear driven alternator, and shows drawings of these, but not the gear driven generator that is on this plane.  (We had to remove it for new brushes).
So, at this point, I am 0 for 2 with the value of the maintenence (service manual)

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Re: 150 Oil Change

Will,

After reading your post expressing your disappointment regarding the service manual I looked into my “Cessna Service Manual 100 Series,” AND my “Cessna 150 Parts 1959-1969" manual, AND my O-200 manual.  I have to agree with you that there is not enough information for an uninitiated person to launch of and do a complete oil change.  It seems that there is a gap between the Cessna and Continental manuals in this area.

As previously stated, Part 43 requires that the owner doing his own maintenance be competent to perform the job unsupervised.  When gathering up the parts to meet with your mechanic and perform the oil change, in addition to the oil, oil filter, lubricant for the oil filter gasket, safety wire and pliers, ect, the following parts maybe helpful:

AN900-28  Oil Screen copper ring crush gasket
AN900-10  Temperature bulb copper ring crush gasket

Regarding the generator.  Paragraph 17-15 covers the standard duty generator for the 150.  My aircraft has a the HD generator, which is not specifically addressed.  However, paragraph 17-16 (applies to the 172 models describes how the engine must be canted to allow removal.  Even though the manual did not specifically address the exact model, the manual would better prepare the mechanic to know what procedures could be expected to complete the procedure.

Now about purchasing of the manuals.  As an aircraft owner you need the manuals to order the correct parts, have blow-ups of the assemblies, supervise or understand the repairs, and to log the work correctly.  Remember the phrase when making a log book entry; “in accordance with the Cessna Maintenance Manual..."   How are you able to do this without the maintenance manual?

Remember that the log book entry is above your signature.

John Doe
XXXX, Owner

If it’s my name, or my supervising mechanic’s name that assumes responsibility for the service, it’s got to be correct.  These manuals will prove their worth and save you lots of aggravation over the long run in.

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Re: 150 Oil Change

Will,
When I owned 26g,I had the paperback service manuals for both the aircraft and the 0-200A engine.I also found these same manuals on CD.
I gave the books that I had(and CDs) to the purchaser,but if memory serves,the Overhaul manual for the 0-200A has the breakdown for the Oil Screen assy,along with the required parts to dis-assemble,clean,and re-assemble.
I suggest that you check into getting the oil filter adapter mod(F&M enterprises) and have it installed.Its a real breeze,and it eliminates the oil screen alltogether,and provides 50 hour oil change intervals as well.Some folks have left the screen in the aircraft even with the filter mod,but Ive heard that its not a good idea(and contrary to the mod procedures)....

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Re: 150 Oil Change

I've been doing my oil changes after a checkout from my mechanic. My O-200 has TWO oil filters - one on each side. It came that way. I'm wondering if anyone else has two filters?

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Re: 150 Oil Change

Wow, two oil filters, all that extra weight and expense.  Some times more is not always better.  First, I would review my log books, second I would consult with my mechanic. 

One has to question as to how this came to be.  Did the aircraft have a firewall mounted filter installed prior to an engine change with an engine haven an oil filter?  A knowledgeable mechanic should be able to help simplify the system. 

I’ll be changing my oil next week.  I’m going to take a few minutes to look on the other side of the engine to see where another oil filter adapter could be mounted.  My 0-200 came without a filter, the “El Reno” or “F&M” filter adapter was mounted on the pilot’s side of the engine.

Regards, John

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Re: 150 Oil Change

What kind of expense is involved in converting it to an oil filter.  Money is kind of tight right now.

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Re: 150 Oil Change

will you are crazy as hell dont use a garden hose you will kill yourself the filter is a screw on just like a car u have to cut the metal cover the filter is inside of it look at the filter for dirt carbon or metal if you have anything bigger than a pencil tip you have problems a little dirt or carbon is normal engine ware its about 30 bucks for a new filter its not reuseable...you odviously have money if you own a plane call a mechanic

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Re: 150 Oil Change

a&p Wrote:
-------------------------------------------------------
> ...you odviously have money if you own a plane call a mechanic

Spoken like a mechanic.  You obviously need business, so you encourage everyone to hire you..

I used to be rich, then I purchased a plane.  Now, thanks to all the aded expenses, I'm not.

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