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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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 Posted: Tue Jun 08, 2010 5:01 pm Post subject: fuel pump |
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6/8/2010
Hello JF, I am sorry that your fuel pump is giving you problems. You wrote:
1) "I decided to have the engine fuel pump cheched by a authorisez mechanics
And during bench test the lack of pressure could be noticed so the engine
pump has a real problem........" and "the personn who performed the check
has all the documentation for all Continental pump ....excep for mine."
Two things puzzle me:
A) If the mechanic does not have the proper documentation for your pump how
could he be considered an authorized mechanic by TCM?
B) If the mechanic does not have the proper documentation for your pump how
could he conduct and analyze a proper bench check of the pump?
2) "I just hope that the documentation is available and it 's not necessary
to return it to the factory..." and "Now I have to find the official
documentation to repair this pump......."
The proper documentation for your pump should be available from the factory
direct to any authorized TCM maintenance facility. Electronic transmission
of documentation should not be a big problem given our present internet
technology.
3) "By instance,have you ever got that kind of problem with your engine fuel
pump?"
No, I have not, nor have I heard of anyone having that problem.
When the pump was still on your engine and your engine on your airplane were
you ever able to perform the tests and adjustments required by
http://www.tcmlink.com/pdf2/SID97-3E.pdf?
4) "Story to be follow"
Yes, please keep me informed -- I'd like to help if I can.
Owen 'OC' Baker Says: "The best investment we can make is the time and
effort to gather and understand knowledge."
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Flyinisfun(at)aol.com
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| Posted: Tue Jun 08, 2010 6:25 pm Post subject: fuel pump |
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Hi Owen,
May I jump in here to offer one thought. If you have a normally aspirated carburetor you need a low pressure fuel pump. If you have a fuel injection system you have to have a pump that puts out high pressure to feed it. These are around 16-18 lbs. I know as I ordered a fuel pump for my engine and somehow was sent the wrong one and never caught it until I flooded the tarmac. Wonder I didn't have a fire.
I had mounted the fuel pump some two years earlier and there was no return on it so I had to get the lower pressure one for my normal carburetor system. It almost sounds like you have the fuel injection system and a low pressure pump. Check the numbers against the Aircraft Spruce catalog.
Jesse Wright
[quote][b]
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ftyoder(at)yoderbuilt.com
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| Posted: Tue Jun 08, 2010 6:54 pm Post subject: fuel pump |
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What engine?
I reported having my IO-240's pump rebuilt last year.
Tim
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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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| Posted: Wed Jun 09, 2010 2:41 am Post subject: fuel pump |
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6/9/2010
Hello Jesse, Thanks for your input. JF has a TCM (Teledyne Continental
Motors) IO-240 engine in his airplane so factors relating to either the
Lycoming fuel injection system or a carbureted engine do not apply.
'OC' Baker Says: "The best investment we can make is the time and effort to
gather and understand knowledge."
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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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| Posted: Wed Jun 09, 2010 2:52 am Post subject: fuel pump |
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6/9/2010
Hello Tim, Thanks for your input.
JF has a TCM IO-240 B_B engine. I don't know the specific dash number.
He does not have a leak problem like yours, but an apparent pump output
problem according to the authorized mechanic.
JF is in Germany so he is a long way geographically and communication wise
from the TCM factory and apparently has access to only limited local TCM
support.
'OC' Baker Says: "The best investment we can make is the time and effort to
gather and understand knowledge."
====================================================
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