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Massey Harris & Massey Ferguson Tractors Discussion Forum
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MF 1130 Clogged Fuel Filters!!!!

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Leo

01-05-2004 05:43:54




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I made a stupid and now expensive mistake, instead of changing fuel filters with Fall maintenance thought it would be ok since the tractor has not been used much for at least 2 years, started tractor yesterday, left running while doing some other things, heard it lugging, reving, dying, reving, etc... ran to shut it down, but too late, appears to have ran out of fuel, fuel bowls on filters are full, but I think either they are clogged or air got into the system earlier this year with some other fuel problems i had, engine cranks like crazy but not firing at all. I'm going to get new filters today, but need to know easiest way for a rookie to air bleed the system, have read the book, but hope there is an easier way, I also need to know which line to loosen on the injectors to bleed them, I have no idea which connection they are talking about, is it the line at the top of the injector, or the one coming from the lower side of the injectors???? Help!!!!

Tks,

Leo

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Leo

01-12-2004 06:10:43




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 Re: MF 1130 Clogged Fuel Filters!!!! in reply to Leo, 01-05-2004 05:43:54  
Finally got her running again, it's amazing how much more power it has now that the filters are clear! Thanks to all that helped me with this, I now know why everyone says never run a diesel out of fuel!!!! I will never do this again!..

Thanks,

Leo



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Roy in UK

01-06-2004 06:14:26




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 Re: MF 1130 Clogged Fuel Filters!!!! in reply to Leo, 01-05-2004 05:43:54  
Has it got a sediment bowl on the lift pump? The MF 1100 we had was fitted with one. If so, take it apart too,thoroughly clean the bowl out and the mesh strainer that sits on top of it. If after you think you have purged the air out of the system, and she still refuses to start, get a buddy to crank the engine over, and WHILE IT IS TURNING OVER squirt a LITTLE whiff of ether into the air intake, that often does the trick.

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Robert

01-06-2004 01:18:19




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 Re: MF 1130 Clogged Fuel Filters!!!! in reply to Leo, 01-05-2004 05:43:54  
After changing the filters and before attempting to bleed the system take the fuel tap out and check the strainer on the top. After running out of fuel any sediment in the tank may have blocked the strainer restricting the flow of fuel to the strainers.



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Tom Dold

01-05-2004 08:04:55




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 Re: MF 1130 Clogged Fuel Filters!!!! in reply to Leo, 01-05-2004 05:43:54  
Leo The best way I have found to bleed a CAV injection pump is to first replace the filters, since you are going to do that anyway. You don't need to mess with any fittings except the tw bleeders on the injection pump itself. There is one on the side of the injector pump housing and one on the govenor housing of the injection pump
(the regtangular box that the throttle and the shutoff are attached to). They are rather small, takes a 5/16 wrench. Crack both bleeders about 2 turns out, than start pumping the lift pump external cam arm. You may have to bump the engine over to get the lift pump off the high point on the camshaft in order to get a full stroke out of the lift pump. Stroke the pump until you see the filters fill with fuel. This will push all of the air out of the system from the lift pump, lines, and filters out through the 2 bleeders. After the filters are full you must continue to pump until fuel comes out of the bleeders, finger tighten the one that starts flowing clear fuel 1st, pump until you get clear fuel out of the other bleeder then finger tighten it. Pump until there is no air!!! comming from the bleeders. Then crack 2 or more fuel ingector lines at the nozzles about 2 turns(usually a couple that are easy to get at) this is the big line on the injectors. The engine should start. It will run with those injector lines loose. When it starts tighten the lines with it running. I usually crack the bleeders again after the egine is running to make sure the air is all gone and then tighten them. If it starts and runs for about 10-20 seconds and then dies you still have air in the system, start over. A perkins engine will not start with 1 drop of air in the injector pump.

Tom Dold
Dold Implement Co.
Howard, S.D. 57349
605-772-4541

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scotty

01-05-2004 12:14:45




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 Re: Re: MF 1130 Clogged Fuel Filters!!!! in reply to Tom Dold, 01-05-2004 08:04:55  
Tom, Enjoyed reading your post. I just purchased a 1986 Massey Ferguson 1040 4x4 front loader, 3pt, but I was interested in the bleed sequence on the perkins diesel. I havent even got the machine home yet but I am planning on changing all the filters when I do. This machine has a 32hp perkins with 1300 hrs and original owner. Is it allright to just change fuel filter, no bleeding necessary? I have never worked on a diesel only old Farmall gas machines. Appreciate the help.

scotty

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Tom Dold

01-06-2004 14:17:44




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 Re: Re: Re: MF 1130 Clogged Fuel Filters!!!! in reply to scotty, 01-05-2004 12:14:45  
Scotty

If you don't run the engine out of fuel (the injection system still has fuel in it) before you change fuel filters you should not have to crack the injection lines because the high pressure side to the injectors won't have air in it. You still need to bleed the pump as I stated in my previous post. The MF 1040 has spin on filters so you can fill the filter with fuel which will save some pumping. I believe the 1040 has a 3cyl. Toyosha engine not a perkins.

Tom Dold

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Don-Wi

01-05-2004 19:37:02




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 Re: Re: Re: MF 1130 Clogged Fuel Filters!!!! in reply to scotty, 01-05-2004 12:14:45  
No, you must bleed the fuel system after doing anything with it, especially filters. The whole system is based on compresing the fuel, which is a liquid. Liquid doesn't compress, so it is forced where it has to go. Air compresses, so it doesn't go where it's supposed to and your engine won't start. Diesels can be a little bit touchy'er than gas. With gas you pour & go.
Donovan from Wisconsin



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scotty

01-06-2004 04:22:57




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 Re: Re: Re: Re: MF 1130 Clogged Fuel Filters!!!! in reply to Don-Wi, 01-05-2004 19:37:02  
Thanks Don, I better get that manual and read up on that before tackling that job!

scotty



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