David Brown 25D

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Amended 27/10/18

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danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

David Brown 25D

Post by danmather1 » Fri Jan 22, 2016 10:00 pm

I've recently had the rings replaced and liners glaze busted.
The big end bearings were replaced,the tractors now running,however,oil is blowing out of the dip stick,takes quite a few turns to start from cold,harder to start post rings replacement,when warm the engine won't start without the cold start button.

How long do I give the engine with a little work before the rings are bedded in or could this be a timing issue?

Regards

Daniel.
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odin
Posts: 662
Joined: Sun Oct 31, 2010 9:31 pm
Location: Huddersfield, West Yorkshire.

RE: David Brown 25D

Post by odin » Sat Jan 23, 2016 7:30 am

The crankcase is getting pressurised. Is the crankcase breather blocked?
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danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

RE: David Brown 25D

Post by danmather1 » Sat Jan 23, 2016 10:16 am

How do you locate the crankcase breather?
Thanks
Dan
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db2d
Posts: 2124
Joined: Fri Feb 24, 2012 10:01 pm
Location: Monmouthshire

RE: David Brown 25D

Post by db2d » Sat Jan 23, 2016 10:50 am

It is the thing that resembles an oil filter on top of the rocker cover.
Pull and twist it off and then wash it out with petrol / paraffin or something similar.
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danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

RE: David Brown 25D

Post by danmather1 » Sat Jan 23, 2016 11:41 am

I know the one.

Thank you
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broadsword
Posts: 1707
Joined: Thu Jun 12, 2008 9:17 pm
Location: Holmfirth, Huddersfield

Post by broadsword » Sat Jan 23, 2016 1:46 pm

Daniel,

when you say she`ll only start from warm with cold start - is the starter turning slowly/very slowly or is she spinning over quickly/normally but not wanting to fire????

Cheers

Andy
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case-ih1594
Posts: 1065
Joined: Sun May 12, 2013 10:38 am
Location: Preston

Post by case-ih1594 » Sat Jan 23, 2016 2:07 pm

Hi, some heavy / hard work is probably the order of the day. Cleaning the crankcase breather is never a bad idea, but it will still be hard to start and smoke unless they are bedded in. This topic has occurred many times on this forum and hard work always seems to be the only answer.
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danmather1
Posts: 44
Joined: Sat Sep 05, 2015 6:18 pm
Location: Chesterfield

Post by danmather1 » Sat Jan 23, 2016 6:43 pm

Thanks guys.

Andy,I would say the starter turns quickly when warm,when the engine isn't too hot it will fire up without the cold start.
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bedwards1966
Posts: 877
Joined: Sun Mar 07, 2010 10:36 pm
Location: North Yorkshire

Post by bedwards1966 » Fri Jan 29, 2016 9:24 pm

You should be looking at a good day of hard work to see the rings bedding in, ideally more.
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