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Engine Oil Change

 
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ronal22(at)verizon.net
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PostPosted: Mon Feb 11, 2008 1:50 pm    Post subject: Engine Oil Change Reply with quote

I just changed the oil in my Jab 2200A engine, and made an interesting observation. My engine is in a Kitfox IV with tail wheel. After draining the oil in the 3-point position (over night), I raised the tail so that the A/C was level (flight position).
I did this to recalibrate the dipstick. After going to the level position, I got 3-4 oz. more oil out of the engine. I don't know if anybody else has observed this, but I thought it would be worth noting to the group. In the future I will always drain the oil in the level position.

Ron Smith, Kitfox 4, 45 hrs.
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Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Mon Feb 11, 2008 4:21 pm    Post subject: Engine Oil Change Reply with quote

Why did you want to recalibrate in the level position? I recalibrated
mine in the tail down (taildragger, too) position, because that's how
it's going to be when I check it.

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/470+ hrs

On Feb 11, 2008, at 4:20 PM, RONAL SMITH wrote:

Quote:
I just changed the oil in my Jab 2200A engine, and made an
interesting observation. My engine is in a Kitfox IV with tail
wheel. After draining the oil in the 3-point position (over
night), I raised the tail so that the A/C was level (flight position).
I did this to recalibrate the dipstick. After going to the level
position, I got 3-4 oz. more oil out of the engine. I don't know
if anybody else has observed this, but I thought it would be worth
noting to the group. In the future I will always drain the oil in
the level position.

Ron Smith, Kitfox 4, 45 hrs.
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
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ronal22(at)verizon.net
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PostPosted: Tue Feb 12, 2008 1:25 pm    Post subject: Engine Oil Change Reply with quote

Lynn, I wanted to recalibrate my dipstick, because when I first did it, the dipstick tube was not in the proper position. When I first added oil to my engine, I calibrated the dipstick for the 3-point position. Then when I ran the engine, I had an oil leak at the base of the dipstick tube. I found out the dipstick tube was not seated all the way down so that the O-ring was engaging. When I pushed the tube down and tightened the setscrew on the dipstick tube holder, it would raise the tube about 1/4 inch. I fixed that problem, but never recalibrated my dipstick.

My max oil level in the 3-point position is at the bottom mark of the original dipstick that I assume was calibrated for the engine in the level position.. Where is your max oil level mark? I could use a longer dipstick, are there any to be had that will fit.

Ron Smith, KF-4 with Jabiru 2200A engine.
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Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Tue Feb 12, 2008 5:57 pm    Post subject: Engine Oil Change Reply with quote

I "borrowed" someone else's idea and using a small pin punch, drove
the dipstick tube down into the knob about a quarter-inch. This makes
the stick penetrate further into the oil in the sump. Or you could
just silver solder a short extension onto the original dipstick.
With this new position of the original marks, I use the center mark
as my oil level.
Basically what you should do is to add the amount of oil that the
instructions recommend, like say after an oil change, then start the
engine, let the oil circulate and fill the filter, lines etc., then
let it sit for several hours. Then make a mark that shows the level
at that point. This is the level of oil that they recommend. I've
found that if I add 2 qts and 14 oz of oil after an oil and filter
change, then start up, shut down and let sit, that is my oil level.
This reflects about what Jabiru says the oil capacity should be.

Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/470+ hrs

On Feb 12, 2008, at 5:19 PM, RONAL SMITH wrote:

Quote:
Lynn, I wanted to recalibrate my dipstick, because when I first
did it, the dipstick tube was not in the proper position. When I
first added oil to my engine, I calibrated the dipstick for the 3-
point position. Then when I ran the engine, I had an oil leak at
the base of the dipstick tube. I found out the dipstick tube was
not seated all the way down so that the O-ring was engaging. When
I pushed the tube down and tightened the setscrew on the dipstick
tube holder, it would raise the tube about 1/4 inch. I fixed that
problem, but never recalibrated my dipstick.

My max oil level in the 3-point position is at the bottom mark of
the original dipstick that I assume was calibrated for the engine
in the level position.. Where is your max oil level mark? I could
use a longer dipstick, are there any to be had that will fit.

Ron Smith, KF-4 with Jabiru 2200A engine.
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contribution_-
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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM
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