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long 445

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long445help

04-27-2008 18:30:12

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the engine misses a little at idle and gets rough when rpm"s increase .i have white smoke with the smell of raw fuel.the injectors have correct spray patern and pop off around 3200 psi. head gasket has been replaced.pistons rings replaced .fuel filters replaced all fuel lines cleaned and checked valves have been set to .010 and rechecked.cleaned air filter.no compression in radiator.moved injection pump around with no improvment{ help long 445 tractor 1976 }

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MorePower

05-03-2008 03:14:34

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Re: long 445 in reply to noncompos, 04-27-2008 18:30:12

I was following your problem, was it the injectors?

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long445help

05-03-2008 20:02:04

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Re: long 445 in reply to MorePower, 05-03-2008 03:14:34

injectors tested fine pulled pump this afternoon should be tested by mid-week

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long445help

05-08-2008 16:24:33

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Re: long 445 in reply to long445help, 05-03-2008 20:02:04

I had the injection pump tested and the manual retard device was bent .it looked straight but it was holding the injection pump retarded runs good

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geok

04-30-2008 19:51:13

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Re: long 445 in reply to long445help, 04-27-2008 18:30:12

Might check your thermostarter for leaks. It is a glow plug cold starting device on the inner side of your intake manifold. One of your diesel return lines is connected to it. Plug this line off and see if it makes a difference.

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long445help

04-30-2008 20:56:24

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Re: long 445 in reply to geok, 04-30-2008 19:51:13

thanks i have this blocked off still have pleanty of white smoke w/diesel smell i still question the injectors . i have pulled them to have tested tomarrow

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marty g

04-28-2008 04:48:50

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Re: long 445 in reply to long445help, 04-27-2008 18:30:12

Empty fuel tank dry, start with fresh stuff.

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long445help

04-28-2008 05:33:08

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Re: long 445 in reply to marty g, 04-28-2008 04:48:50

fuel tank full fresh diesel thanks i bought this tractor broken engine had the white smoke raw fuel smell lobes on cam shaft are good when testing the injectors they will hold to3200 psi as long as i bring the psi up slowly and at 2000 psi if i bring it up faster.all injection lines have fuel coming out about the same. return lines have been removed and cleaned all the way back to the tank.plenty of fuel reaching injection pump i'm still woundering about the injectors does'nt seem right for them to be poping at differnt psi depending on the rate of psi rise manual said for them to pop around 3250-3350 psi

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marty g

04-30-2008 05:12:00

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Re: long 445 in reply to long445help, 04-28-2008 05:33:08

Injectors should be steady. They are the most likely cause of your white smoke and unburned smell.

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long445help

04-30-2008 14:59:14

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Re: long 445 in reply to marty g, 04-30-2008 05:12:00

THANKS

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