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hgmckay
Joined: 23 May 2006
Posts: 397
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 Posted: Wed Jul 26, 2006 6:22 pm Post subject: Initial oil fill on new engine |
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I have a new 912UL and am ready to fill it with oil. I notice in section 12-00-00, page 28 of the Rotax Maintenance Manual, 5.2.2 "Venting of the Lubrication System" it calls for disconnecting the suction hose from the oil tank and filling the the hose and oil cooler through the hose itself, then reconnecting the hose. Do I do this for the initial oil fill? If so, is the oil I poured in the hose and oil cooler part of the 3 litre total called for? After filling the hose and oil cooler in this manner, how much oil do I pour in the tank itself?
Hugh McKay
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NYTerminat(at)aol.com
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| Posted: Wed Jul 26, 2006 6:43 pm Post subject: Initial oil fill on new engine |
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In a message dated 7/26/2006 10:24:11 P.M. Eastern Daylight Time, hgmckay(at)bellsouth.net writes:
| Quote: | I have a new 912UL and am ready to fill it with oil. I notice in section 12-00-00, page 28 of the Rotax Maintenance Manual, 5.2.2 "Venting of the Lubrication System" it calls for disconnecting the suction hose from the oil tank and filling the the hose and oil cooler through the hose itself, then reconnecting the hose. Do I do this for the initial oil fill? Yes
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| Quote: | If so, is the oil I poured in the hose and oil cooler part of the 3 litre total called for? Yes After filling the hose and oil cooler in this manner, how much oil do I pour in the tank itself? I brought mine up to the full make, don't remember how much it totally took. After you run the engine and get a steady oil pressure, you can shut it down and check the oil level.
Hugh McKay
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jkuehn(at)mountaintime.my
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| Posted: Wed Jul 26, 2006 7:06 pm Post subject: Initial oil fill on new engine |
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I think the exact amount of oil depends on your installation. Length of
hoses, size of oil cooler, oil thermostat or not, how the oil tank is
mounted, etc. Mine takes closer to 4 litre (US quarts), but there is a
range of perhaps half a litre where the engine will be fine. Oil level
in the 912 is a bit of a moving target! Check it the same way every
time to avoid confusing yourself! For example, always check it cold,
pull the prop through until you hear a gurgle. If you check it hot, it
will be different. Fill that hose every time you change oil, and prime
the system as the manual says. This is a great engine, and it will work
very reliably. Follow those basic guidelines in the manual and it will
work fine! I am not a Rotax specialist, and I have 95 hours on my 912
UL. These are my impressions so far.
Jack
Hugh G. McKay III, P.E. wrote:
| Quote: | I have a new 912UL and am ready to fill it with oil. I notice in
section 12-00-00, page 28 of the Rotax Maintenance Manual, 5.2.2
"Venting of the Lubrication System" it calls for disconnecting the
suction hose from the oil tank and filling the the hose and oil cooler
through the hose itself, then reconnecting the hose. Do I do this for
the initial oil fill? If so, is the oil I poured in the hose and oil
cooler part of the 3 litre total called for? After filling the hose
and oil cooler in this manner, how much oil do I pour in the tank itself?
Hugh McKay
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rparigor(at)suffolk.lib.n
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| Posted: Wed Jul 26, 2006 10:41 pm Post subject: Initial oil fill on new engine |
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Hello Hugh
I think if you follow the manual, there is potential to damage your motor.
Search here:
http://www.rotax-owner.com/sdocs.htm
SB-912-036 Inspection for Correct Venting Of The Oil System For Rotax 912
& 914 Rev. 1 8/2002 206
It has been established that damage of the engine valve train on the
ROTAX® 912/914 series engines may be possible due to incorrect venting of
the lubrication system. Click Here for more info.
Allocate yourself some time, and search "ALL" information on your motor.
Read a few a day and update your manuals as you go.
There are a few things where following your manual is not the best thing
to do. You need to follow an updated manual.
Ron Parigoris
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Thu Jul 27, 2006 3:38 am Post subject: Re: Initial oil fill on new engine |
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Hugh,
The three liters is the capacity of the Rotax Oil Tank to the full mark on the dipstick. At a normal oil and filter change the oil cooler is not emptied and it takes three liters to refill the tank. I normally put just three quarts in which puts it roughly in the middle of the full/add range marks on the oil dipstick. Do NOT overfill.
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
- Anonymous |
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hgmckay
Joined: 23 May 2006
Posts: 397
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| Posted: Thu Jul 27, 2006 7:34 pm Post subject: Initial oil fill on new engine |
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Ron: I am following what I believe is the correct up dated manual,
"Installation Manual for Rotax 912UL Aircraft Engine", Edition 2 of 1997 03
26. It came with my engine. What do you mean "There are a few things where
following your manual is not the best thing to do"?
Hugh McKay
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rparigor(at)suffolk.lib.n
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| Posted: Thu Jul 27, 2006 8:12 pm Post subject: Initial oil fill on new engine |
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Hello Hugh
"Ron: I am following what I believe is the correct up dated manual,
| Quote: | "Installation Manual for Rotax 912UL Aircraft Engine", Edition 2 of 1997 03
26. It came with my engine. What do you mean "There are a few things where
following your manual is not the best thing to do"?"
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You are not going to like what I am going to say because it means more
work than you would care to put towards updating your manual.
Rotax, just like Continental and Lycoming do not offer a manual that is up
to date when you get your engine. They expect you to search out all
updates and pertinent information and incorporate. I spelled out how to do
it.
For 1 thing as I explained in prior E-Mail is their updated way of venting
(or priming) your engine with oil. Make absolute sure your manual is up to
date on this, if you follow their old recommendation you could hurt motor!
There is all sorts of things you should be aware of not in your manual,
using Whacker silicon based thermal conductive compound on spark plugs,
and proper torque, make sure you have updated float pivot pins, your
ignition trigger pickup coils are not defective ones, you have updated
kevlar reinforced boots for carb to manifold, you have latest recommended
jets and jet needle settings, just recent bad hardware check, check
trigger coil gap, read on their recommendation to use a oil thermostat,
read on proper pressure radiator caps, read on how to use Evans coolant
and how to flush and how to change manual if using traditional coolant, if
using traditional coolant exact what type to not cause corrosion, how you
should only use distilled water, make sure you have oil connections on
bottom of motor set for tractor or pusher, newest information on gearbox,.
BTW you do understand that the helical gears on gearbox side load springs
during cylinder firing, and give back some energy when not firing,
critical to long life to have motor run smooth, follow bulletin for cold
weather carb settings, importance of getting float bowl vent in static
air, read about heavy duty starter (if you have S replace old style before
you start), make sure you have new style dipstick, read about how to
tighten carb boots or install spacers so no over tightening, read about
bad oil filters.
This is just what fell out my head, probably 90% accurate, there is alot
more in my updated manual.
Ron Parigoris
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jean-paul.roy4(at)tlb.sym
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| Posted: Fri Jul 28, 2006 4:15 am Post subject: Initial oil fill on new engine |
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Ron, where can you get theses updates from?
Thanks
Jean-Paul Roy
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Fri Jul 28, 2006 4:23 am Post subject: Initial oil fill on new engine |
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Hugh,
Here is a link to find the installation manual and revisions, latest is
2004.
http://tinyurl.com/ft4r2
This is the link to find SBs on your engine. It is not hard to do.
Easiest way is to search using the serial number of your engine. This
eliminates those that apply only to other engines. Among others, there
is one there about the oil venting which is 912-036.
http://www.rotax-owner.com/
Thom in Buffalo
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
- Anonymous |
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