very smoky

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jamesmallon
Posts: 46
Joined: Sun Nov 10, 2013 4:43 pm
Location: armagh

very smoky

Post by jamesmallon » Tue Nov 12, 2013 7:54 pm

an another question for the world of david brown enthusiasts, my db950 is very very smoky any ideas, too much derv maybe, defo not burning oil

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oily
Posts: 104
Joined: Tue May 10, 2011 10:31 am
Location: northyorkshire

RE: very smoky

Post by oily » Tue Nov 12, 2013 8:01 pm

could be injectors that need a service check the air cleaner

Guest

RE: very smoky

Post by Guest » Tue Nov 12, 2013 8:01 pm

Injector nozzle may be burned out and squirting fuel instead of spraying a mist as it should, white smoke means un-burnt fuel, if the smoke is white that's probably the cause.

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odin
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Location: Huddersfield, West Yorkshire.

RE: very smoky

Post by odin » Tue Nov 12, 2013 8:02 pm

What colour is the smoke ? Black, White, Grey ? Won't be blue if 'not burning oil'.

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jamesmallon
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Location: armagh

Re: RE: very smoky

Post by jamesmallon » Tue Nov 12, 2013 8:05 pm

Powerrabbit wrote:Injector nozzle may be burned out and squirting fuel instead of spraying a mist as it should, white smoke means un-burnt fuel, if the smoke is white that's probably the cause.
white smoke, I got a brand new set of injectors and got them put into the engine,

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db2d
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Location: Monmouthshire

RE: very smoky

Post by db2d » Tue Nov 12, 2013 8:10 pm

Check that the cold start screw is not in the cold starting position.

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jamesmallon
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Location: armagh

Re: RE: very smoky

Post by jamesmallon » Tue Nov 12, 2013 8:17 pm

db2d wrote:Check that the cold start screw is not in the cold starting position.
ok db2d

where is the cold start button at ??? :?:

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jamesmallon
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Location: armagh

Re: RE: very smoky

Post by jamesmallon » Tue Nov 12, 2013 8:18 pm

db2d wrote:Check that the cold start screw is not in the cold starting position.
ok db2d

where is the cold start button at ??? :?:

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db2d
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RE: Re: RE: very smoky

Post by db2d » Tue Nov 12, 2013 8:42 pm

The cold start is the small spindle with a roll pin in it on the underside of the injector pump.
Screwed in (Clockwise ) is for cold starting.
The total movement is less than one complete turn.

Guest

RE: Re: RE: very smoky

Post by Guest » Tue Nov 12, 2013 8:49 pm

If the 'cold start' tap is 'on' the engine will run rough, lots of popping at higher revs, if it is on, see if you can turn it off, the 'tap' is under the bottom of the injector pump, you can't miss it, it should have a T bar through the shaft. You say you've got a new set of injectors, have you installed them?

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jamesmallon
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Location: armagh

Re: RE: Re: RE: very smoky

Post by jamesmallon » Tue Nov 12, 2013 8:54 pm

Powerrabbit wrote:If the 'cold start' tap is 'on' the engine will run rough, lots of popping at higher revs, if it is on, see if you can turn it off, the 'tap' is under the bottom of the injector pump, you can't miss it, it should have a T bar through the shaft. You say you've got a new set of injectors, have you installed them?
aye I put them in about 2years ago but since I put them in the tractor has even turned a wheel

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jamesmallon
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Location: armagh

RE: Re: RE: Re: RE: very smoky

Post by jamesmallon » Tue Nov 12, 2013 8:54 pm

is there any web sites that show the actual 950 engine exploded version

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dj
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RE: Re: RE: Re: RE: very smoky

Post by dj » Tue Nov 12, 2013 10:21 pm


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jamesmallon
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Location: armagh

Re: RE: Re: RE: Re: RE: very smoky

Post by jamesmallon » Wed Nov 13, 2013 7:46 pm

thanks your a star :D

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