No seal on the camshaft, only an oil return scroll like that on the gearbox input shaft...
Crankcase vacuum test?
ken
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| Author: | Russell [ April 11th, 2011, 8:43 pm ] |
| Post subject: | Points box |
Why's my points box full of oil? |
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| Author: | twofifty AZU [ April 11th, 2011, 8:45 pm ] |
| Post subject: | Re: Points box |
Russell wrote: Why's my points box full of oil? Because the front oil seal is leaking..... It may just be the crank case pressurisation issue rather than a terminal seal. |
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| Author: | Russell [ April 11th, 2011, 8:49 pm ] |
| Post subject: | Re: Points box |
I assume there's an oil seal on the end of the cam behind the advance weights? Nothing too involved or owt? |
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| Author: | ken [ April 11th, 2011, 8:52 pm ] |
| Post subject: | Re: Points box |
No seal on the camshaft, only an oil return scroll like that on the gearbox input shaft... Crankcase vacuum test? ken |
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| Author: | 2CViking [ April 11th, 2011, 8:53 pm ] |
| Post subject: | Re: Points box |
No seal Russell but a oil sling cut in to the cam shaft, keeping the oil out. Sound the crankcase ventilation is kaput (oil breather) |
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| Author: | Russell [ April 11th, 2011, 8:58 pm ] |
| Post subject: | Re: Points box |
I still haven't done one of those. It's had a new breather this week since the one I rebuilt had a hole in it. I'll stick a new set of points in it and mop it and see what happens. Thanks guys. |
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| Author: | ken [ April 11th, 2011, 9:06 pm ] |
| Post subject: | Re: Points box |
Russell, for comparison purposes...  Points boxes by slcchassis, on Flickr |
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| Author: | twofifty AZU [ April 11th, 2011, 9:07 pm ] |
| Post subject: | Re: Points box |
There's a seal on the crank that can dribble into the point box. I'd check the easy stuff first though. Gasket on the reniflard, crank case pressurisation.. I have a new (pattern Cassis) reniflard that's been put together incorrectly; it's twisted and hits the fan housing. You're welcome to it if you want to cut it apart and fix it. |
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| Author: | Russell [ April 11th, 2011, 9:09 pm ] |
| Post subject: | Re: Points box |
At least I know where to come if I need a spare... Thanks 2-fiddy, I'm going to re-flap this one at some point. |
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