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Old 01-03-2009, 19:22   #46
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Hellosailor - your going to get into trouble writing comments like that but I agree for what its worth
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Old 01-03-2009, 20:31   #47
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How's this unit look?
Will it do the job?
May need to find the right adapter for your engine though.

Extemp.
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Old 01-03-2009, 21:37   #48
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Meyer-
Trouble for what? Alleging that there are boatloads (staying on topic) on incompetent shops & mechanics, or worse? If that's against forum policy, I guess telling people "don't step on that landmine" or "that's a shark warning flag, don't go swimming here" is wrong too. Won't stop me from saying it.
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Old 01-03-2009, 22:00   #49
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I totally agree with your earlier comments about having real trouble shooting done at the dealers. The problem I see often is that the old experienced service managers and mechanics have retired and are out cruising. These have been replaced by college trained, book smart and practical not so smart, technicians. They are trained in the art of parts replacement and know how to use the latest software in dertermening the cost of the replacement job. They only know how to follow a path of replacing parts until the problem goes away. It's not really their fault, this is what they are being taught. You can not make a 30 year experienced mechanic in 2 years. We will all pay the price for not having kept up training over the years and did not get enough apprentices trained. The whole world is now short of experienced trades people. So the inexperienced service type is what we are left with.
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Old 01-03-2009, 22:45   #50
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Originally Posted by Extemporaneous View Post
How's this unit look?
Will it do the job?
May need to find the right adapter for your engine though.

Extemp.
Ye that is the unit but remember you need compressed air to use it as well as the adaptor. The adaptors they usually are supplied with are for spark plug insertion point.
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Old 01-03-2009, 22:46   #51
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Some leakdown tests can be performed by removing the glowplugs...if so equipped.

I have made my adapters from old injectors e.g. Yanmars have a variety of bottom pieces that go into the head with basially the same upper part.

As far as the previous comments....the best have no problem providing references.

I have been to a number of schools and have never heard about throwing parts at things.......Time alone does not make an experienced mechanic; as my first Port Engineer said, "when workin with another guy who has more experience than you, steal every thing you can...knowledge that is".

When I started at a Tug Maintence outfit, they called me "College Boy" because I am...with two degrees....and I was always referring to manuals. I was the smalles guy there in the shop by (60 lbs) needless to say, I got some of the really "fun"
jobs in bilges/tanks and double hulls.
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Old 02-03-2009, 10:16   #52
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"You can not make a 30 year experienced mechanic in 2 years."
Don't make it sound like someone flipped a switch and changed the crews. For the past hundred years, every time a mechanic has retired, someone else was promoted and some newbie got a job starting on the bottom rung. In three years you've got a mechanic with three years experience, two years later he's got five years...and 29 years down the line he's gonna retire too.
The problem is more along the lines that there have always been too many rubes, too much money and people who are willing to ante up and not complain (we're taught in grade school to be good droids and not complain) if the problem wasn't fixed. Some problems ARE incredibly difficult, but there are an awful lot of alleged mechanics who just aren't very sharp. Certified or not.
The same way that motorists on Route66 used to have their radiators and shocks replaced by outright thieves, who still play the scam on I95 and I80 and other places where they can readily shear the sheep.
And that's not my opinion--that's the finding of many consumer affairs office, investigative reports, and attorney generals who have caught them and convicted them, year after year. Boat mechanics? Maybe better, maybe more honest, but they're still only human.
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Old 02-03-2009, 12:44   #53
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A 'blown" head gasket can be as small as a minor etching in the block or head from engine acids etc between cylinders or between a waterway and the cylinder. I took the head off my Perkins 4-108 once (for other reasons) and when I got everything cleaned up I noticed that one small area from a water passage to cylinder #3 was lower by maybe 3 or 4 thousanths than the rest of the head surface. With the cleaned up surface of the head, this showed up as a dark spot. It had obviously been leaking for a long time, but no engine symptoms were apparent. maybe it only leaked during warm up until the engine warmed up.
If you are losing (or think you are losing) as little as 4 0unces., I would not add any coolant and check it daily while using the engine, do this long enough to convince yourself that you are not losing the minor amount due to expansion out the cap relief etc. You will know eventually if you are really losing coolant inside somewhere.
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