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Discussion Topic: BMC glow plugs
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MandA |
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I think I am correct in saying you need a 11/64 drill bit to clean out the glow plug holes it does give you the size in the manual,it made the starting of my last boats .1.5 so much easier especially in the winter,only do it by hand though.
Adrian
MandA
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essexboy |
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I always coat the drill in grease to catch at least some of the carbon, clean the drill between each cylinder.
George Sims
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Dilligaf |
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A 4.3 or 4.4 mm drill should be an easy find on fleabay, doesn't need to be anything special, treat yourself to a pin vice and it will be even easier.
Get engine hot before removing and they will likely come out easier, if starting is an issue in the first place blow a heat gun into the inlet manifold.
Dave.
Formerly 'LeoMagill'
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L'sBelles |
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Dilligaf wrote "if starting is an issue in the first place blow a heat gun into the inlet manifold."
Or alternatively fit a flame thrower like the contemporary Perkins diesels have! 
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pirate |
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HI all
The holes were cleaned by the yard and the plugs worked well for first 2 days so it looks like it will turn out to be the relay hopefully !! They are checking this week, thanks for all the advice i will check my set up this week and make sure I have gear ready should same happen to me.
Andy
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annville |
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Hi Andy You could use a open ended spanner to connect the terminals, the ideal way is to connect a meter or large wattage bulb across the plug terminal to earth to check that there is currant at the plug, also make sure by measuring the length of the electrode as there are different lengths for the same engine depending on build date, engine no should be used along with checking against the old ones if not original head fitted, and connecting a lead to a battery terminal that will spark is a recipe for a explosion, battery gas has a wide spectrum for ignition, this is lead acid one's not other types. John
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pirate |
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Just an update
It turned out to be relay that was faulty so all good now.
Will have on board a short cable with connections so can bypass if happens again.
cheers
Andy
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Aug-17-2021 @ 2:48 PM
