Today's Message Index:
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1. 04:55 AM - Re: IO240 (W Duke)
2. 07:46 AM - Re: IO240 (Rueb, Duane)
3. 05:20 PM - Re: Fuel primer. (Jeffrey Dill)
Message 1
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Mine had a problem with the fuel "spider" on intitial start. Diaphragm was stuck
I think. Mine had been sitting for about 5 or 6 years. Had to get it fixed
before mine would even start. Also there was a service bulletin or AD on the
spring in the in the spider around 3 years ago. Changed to a lighter spring
thus allowing better fuel flow. Also I changed the Facet electric fuel pump
to one that will run the engine in case of engine driven pump failure. The more
powerful pump causes my IO240 to stumble at idle. I think it would shut it
down but I have not let it go that far. I only use it for priming to start.
Good luck with it you are getting closer. Keep us posted. Where are you located?
Maxwell Duke
Kitfox S6/TD/IO240
1996 Maule M7 235C Sold
RV-10 IO-540
Dublin, GA
________________________________
From: Jim Gilliatt <jim.gilliatt@att.net>
Sent: Mon, June 7, 2010 9:51:54 PM
Subject: Kitfox-List: IO240
I started my engine for the first time today; what a thrill. I have been building
for some time, and many gave up on me, but I persisted, and am close to flying.
Today's event, however, was somewhat dampened by the fact that I couldn't
keep it going. It has been sitting for several years, so the factory gave
me some things to do to overcome that delay. Is there anyone out there in 240
land that can give me some tips? The battery is way down, and I am charging
it as we speak. I will also contact the factory to see if they have any suggestions.
Thanks,
Jim Gilliatt S7 jim.gilliatt@att.net
Message 2
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Jim:
The 240 is subject to fuel delivery criticality. Do you have an electric fuel
pump for priming the system for the start sequence? You need this in order to
start a fuel injected engine. If you have a fuel pressure gage, monitor it in
the pre-start sequence and you should see something like 14 psi after it has
run for approx 25 seconds. If it starts and dies right away, then give the pump
another short hit 3-5 seconds and try again. Of course, you will have the
mixture full rich when doing this.
You probably have a wood prop ? They are nice and light in weight, and this reduces
the flywheel effect, so it makes your engine more difficult to start and
idle smoothly at the spec rate of 750rpm.
If you have not done so yet, do the AD notes that change the fuel distributor regulator
spring, drill the bleed hole in the throttle plate, and this will help
with the idle dying on rollout tendency. Of course the idle mixture setting
can only be done by trial and error, due to where it is.
Learn how to lean the engine in taxi (when warm) and during normal cruise and you
will enjoy very good fuel economy as well as great performance. This engine
is a jewel.
When you can, give us some pix of your aircraft.
Duane Rueb N24ZM
-----Original Message-----
From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Jim Gilliatt
Sent: Monday, June 07, 2010 6:52 PM
Subject: Kitfox-List: IO240
I started my engine for the first time today; what a thrill. I have
been building for some time, and many gave up on me, but I persisted,
and am close to flying. Today's event, however, was somewhat dampened
by the fact that I couldn't keep it going. It has been sitting for
several years, so the factory gave me some things to do to overcome that
delay. Is there anyone out there in 240 land that can give me some
tips? The battery is way down, and I am charging it as we speak. I
will also contact the factory to see if they have any suggestions.
Thanks,
Jim Gilliatt S7 jim.gilliatt@att.net
Message 3
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| Subject: | Re: Fuel primer. |
Thanks guys for the help. It was just like both of you said. A new bulb type primer
allowed fuel to flow when not actuating the primer, just like the worn out
plunger type. A replacement plunger type did the trick. Something worth noting
which you guys may already know. I think the added fuel into my carburetors
from the old primer caused a drop in my idle speed. That was the whole reason
I opened the hood in the first place; on my first flight of the season, my idle
was down well below 2000.
I had turned each idle stop up one quarter turn before I noticed the gas leaking
out of one carb. Today, with the plunger type new primer installed and working
properly, I warmed up the engine to check the idle and, sure enough, I had
to turn back the idle stops to where they were before to reduce the idle back
to 2000.
--------
Jeff Dill
Model 2
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