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injector pump adjustment


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Hi which way do you turn the screw on the back of a 300tdi injector pump to weaken the mixture. also i was told if you take the 4 screws out of the plate on top of the injector pump there is a wheel under it which you can turn to give it a bit more power which way do you turn this and how much do you turn it. thanks for any help you

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Have a read here:

http://forums.lr4x4.com/index.php?showtopic=31

and here:

http://www.lro.com/forum/viewtopic.php?t=44813

to understand it a bit better and do the opposite since these threads are all about increasing performance and it sounds like you want to back it off a bit. The alterations you mention require turning the diaphragm and/or starwheel and/or max fuel screw anticlockwise. I would start with the cone on the diaphragm and the starwheel and leave the max fuel screw alone for now and see if that has the desired effect.

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Have a read here:

http://forums.lr4x4.com/index.php?showtopic=31

and here:

http://www.lro.com/forum/viewtopic.php?t=44813

to understand it a bit better and do the opposite since these threads are all about increasing performance and it sounds like you want to back it off a bit. The alterations you mention require turning the diaphragm and/or starwheel and/or max fuel screw anticlockwise. I would start with the cone on the diaphragm and the starwheel and leave the max fuel screw alone for now and see if that has the desired effect.

I altered the fuel screw on the back of the pump ages ago and couldnt remember which way i turned it to up fuel. It smokes quite a bit and mot is comeing up so need to sort it

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