Here's what my injector fuel line connectors look like.
George
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Thread: Fuel Injector service
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Re: Fuel Injector service
Last edited by Reefgeorge; 07-05-2017 at 08:13 AM.
Florida
2002 Cabo 47
MAN mechanical 800/8's
"You can avoid reality, but you cannot avoid the consequences of avoiding reality"
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Re: Fuel Injector service
Inspection of the leaking fitting did not show any cracking or burrs. Since I finally got a hold of the MAN spec for torque at the hex nut for the high pressure supply connection to the injector I reseated that one and was surprised at how much torque was required to get the fitting rotated 30 degrees after seating. Most of my experience is in copper connections such as for refrigeration and not steel to steel such as here so hopefully I just did not use enough persuasion on these connections. Hopefully we can do another sea trial this weekend and try to button this up. If not I may be forced to buy the line set(s).
GeorgeFlorida
2002 Cabo 47
MAN mechanical 800/8's
"You can avoid reality, but you cannot avoid the consequences of avoiding reality"
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Re: Fuel Injector service
I am almost leak free after reseating these fittings and using the force appropriate for steel flares. I just have to access two more connections after the engines cool down and I can remove the schtuff thats preventing access.
I also found that if the pipe has a bias you have to straighten it out and wiggle it as you seat it with the flare nut to get good, even contact. Then crank away using light contact plus 30 degrees.
GeorgeFlorida
2002 Cabo 47
MAN mechanical 800/8's
"You can avoid reality, but you cannot avoid the consequences of avoiding reality"
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Re: Fuel Injector service
Florida
2002 Cabo 47
MAN mechanical 800/8's
"You can avoid reality, but you cannot avoid the consequences of avoiding reality"