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Old 14 July 2013, 12:29   #1
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never ever ever fit wing-nuts to battery terminals

When we took our recently acquired Vipermax Black Hawk on the cruise in company round Anglesey last month the 250 e-tec stopped just off south-stack,
not the best of places in a bit of a blow. It was then that we discovered that the
battery terminals were fitted with wing nuts (I know we should have checked earlier!) The wing nuts had worked loose and the battery was flat.We managed to restart with a booster and carry on. When we returned home we discovered that the engine would not charge so we booked the boat in to the main agent.
"You've fried the brain"said Mr.main agent "o dear" said I that doesn't sound cheap. "your in luck" said Mr main agent with a feral gleam in his eye "the've
come down now the are only 970,pause, plus fitting ,pause, plus VAT. Lucky me said I. Mr main agent then had to get authority from Evinrude to transfer
data from the old EMM unit to the new one then! Is it me or is the whole automotive industry getting far to complicated (it took my mate a week to find
the battery in his new Audi!) Anyway rant over just hope it saves somebody else a few bob. I am now the proud owner of the most expensive wing nuts in the UK (open to offers)
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Old 14 July 2013, 12:43   #2
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Quote:
Originally Posted by M.Thornton View Post
When we took our recently acquired Vipermax Black Hawk on the cruise in company round Anglesey last month the 250 e-tec stopped just off south-stack,
not the best of places in a bit of a blow. It was then that we discovered that the
battery terminals were fitted with wing nuts (I know we should have checked earlier!) The wing nuts had worked loose and the battery was flat.We managed to restart with a booster and carry on. When we returned home we discovered that the engine would not charge so we booked the boat in to the main agent.
"You've fried the brain"said Mr.main agent "o dear" said I that doesn't sound cheap. "your in luck" said Mr main agent with a feral gleam in his eye "the've
come down now the are only 970,pause, plus fitting ,pause, plus VAT. Lucky me said I. Mr main agent then had to get authority from Evinrude to transfer
data from the old EMM unit to the new one then! Is it me or is the whole automotive industry getting far to complicated (it took my mate a week to find
the battery in his new Audi!) Anyway rant over just hope it saves somebody else a few bob. I am now the proud owner of the most expensive wing nuts in the UK (open to offers)
I went to replace the battery in my BMW a month ago, and discovered that if it wasnt 'exactly' the same battery with correct output .. the car would have to be re coded to 'accept' it, so that it didnt overcharge it madness I tell you
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Old 14 July 2013, 18:32   #3
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Quote:
Originally Posted by M.Thornton View Post
When we took our recently acquired Vipermax Black Hawk on the cruise in company round Anglesey last month the 250 e-tec stopped just off south-stack,
not the best of places in a bit of a blow. It was then that we discovered that the
battery terminals were fitted with wing nuts (I know we should have checked earlier!) The wing nuts had worked loose and the battery was flat.We managed to restart with a booster and carry on. When we returned home we discovered that the engine would not charge so we booked the boat in to the main agent.
"You've fried the brain"said Mr.main agent "o dear" said I that doesn't sound cheap. "your in luck" said Mr main agent with a feral gleam in his eye "the've
come down now the are only 970,pause, plus fitting ,pause, plus VAT. Lucky me said I. Mr main agent then had to get authority from Evinrude to transfer
data from the old EMM unit to the new one then! Is it me or is the whole automotive industry getting far to complicated (it took my mate a week to find
the battery in his new Audi!) Anyway rant over just hope it saves somebody else a few bob. I am now the proud owner of the most expensive wing nuts in the UK (open to offers)
One of the first things in the Etec rigging manual is a caution against using wingnuts. Also if you have any battery isolators make sure that they are in perfect condition & stay that way. NEVER open or close a battery isolator with the engine running.
PS that bit about the main agent having to get permission to transfer the EMM data, take it with a pinch of salt, he (the agent)is talking bollix. You can DIY with the software, I know
How much did he charge you labour to swap the EMM, it's a half hour job.
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Old 15 July 2013, 04:49   #4
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I can't understand the caution of wing nuts, it's just a nut with wings, if its got loose the ordinary nut would have done the same, I would think proper locking washers
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Old 15 July 2013, 05:09   #5
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Thing about wing nuts is they're tightened by hand ( I know you can get pliers on 'em & give 'em a tweak but joe public sees wing nut & just hand tightens it) so eventually they come loose + because they aren't "proper" tightened, the contact between the clamp & battery post can be iffy. I use M6 stainless bolts with Nylocs. IMHO there's a flaw in the Etec, in that the charging circuit is inside the EMM, so if the rectifier pack goes, the EMM is scrap. You end up binning a grands worth of computer for a 10 bob rectifier. The EMM is a sealed un-serviceable unit, so you can't repair them, allegedly
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Old 15 July 2013, 05:17   #6
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Good lock washers, there was some written stuff about nylock nuts, they come slightly loose, was written by a washer supplier but did make sense, once you've used a nylock once it becomes a nut with a plastic washer in it
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Old 15 July 2013, 06:01   #7
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Good lock washers, there was some written stuff about nylock nuts, they come slightly loose, was written by a washer supplier but did make sense, once you've used a nylock once it becomes a nut with a plastic washer in it
Yup, agreed,they are "one shot". Good lock washers are fine, just don't use 'em with wing nuts. If you need to use a tool to nip up the wing nut, it negates the point of having a wing nut in the first place, might as well just use conventional fastners & do a proper job. Wing nuts do fail As M.Thornton found out.
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Old 15 July 2013, 07:35   #8
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At least the etec can run without a battery unlike most other current models...
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Old 15 July 2013, 07:54   #9
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At least the etec can run without a battery unlike most other current models...
So why did the e-tec in question stop when the Battery terminals came off ?

I'd rather my engine stop than take 1000 of damage....oh and stop at the same time for any reason.

Its boring really hearing the 'etecs are amazing unlike most other current models' lines again and again....
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Old 16 July 2013, 17:11   #10
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I'd rather my engine stop than take 1000 of damage....oh and stop at the same time for any reason.
Isn't that why they're all meant to have fantastic ECMS that will prevent overloads/ damage by putting the engine into "safe mode", but add to the cost of the engine. Methinks there's a flaw somewhere.
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