siezed power major
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- True Blue
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siezed power major
i purchased a siezed power major, managed to get it apart, put in new rings and head gasket. ok i got it running. now the first cyl does not seem to fire when i pop injector lines it makes no difference to it. no. 4 also acts like that but kicks in when it gets warm. using a heat gun shows close to 600 degrees at 3 cyls but the ft one only250. comp check shows about the same on all cyls. any ideas. could it bee the injection pump? or more likely injector? thanks for any help.
Re: siezed power major
If you loosen the line at the injector that is not firing and you see fuel pulsing out, you can pretty well bet that it's a faulty injector. A diesel shop can check it out for you pretty quickly if you remove it or if you're feeling adventurous, there are instructions for making your own pop tester on Google. I recommend the former! If there is no pulsing, it looks likely to be the pump. Do a search on here regarding sticking pumps as the subject has come up fairly often. Good luck!
Never give up!
Re: siezed power major
Hi, when you did the engine, did you take the head to pieces and re-lap the valves etc?
Oh yay, look, another seized bolt! Lets get a hammer.....and some kano.....and some cider!
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- Site Governance Team & Expert Team
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Re: siezed power major
Be careful when working with diesel under pressure. It can kill you.
Kind regards, Henk
Fordson New Major February 1957 Mark I
Fordson New Major February 1957 Mark I
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- Site Governance Team & Expert Team
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Re: siezed power major
Is your pump set on the right time?
Kind regards, Henk
Fordson New Major February 1957 Mark I
Fordson New Major February 1957 Mark I
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- True Blue
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Re: siezed power major
no as of yet have not checked the timing. also did not lap the valves. the head came off a good running engine. in checking comp. again they were all pretty consistant. seems like it is still injectors or the pump acting up. thanks for the info
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- True Blue
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Re: siezed power major
Hi,
Have you tried swapping injectors around. If you swap number one with number two and two stops running then the injector is shot. If number one stays dead it is the pump. Easy enough to do and it will tell you exactly what needs fixing. Mind you I am laying bets it will be the injector if the engine had water in it.
Regards, Frank.
Have you tried swapping injectors around. If you swap number one with number two and two stops running then the injector is shot. If number one stays dead it is the pump. Easy enough to do and it will tell you exactly what needs fixing. Mind you I am laying bets it will be the injector if the engine had water in it.
Regards, Frank.
Real tractors don't need tin work to be beautiful.
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- True Blue
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Re: siezed power major
yes thanks for the tip. i did axactley that and no. two would not fire. but neither would no one. this is by cracking the injector lines and seeing if engine runs different, and also using a heat gunon the exhaust manifold. thanks- again. i suspect the pump also may be faulty. injectors spray when out of the engine.
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Re: siezed power major
If it had water in the engine and you have one bad injector you may want to replace all four. I believe Brian had mentioned that a new and used injector mix can imbalance an engine eventually causing mechanical failure.
Agraline has replacements quite reasonable but you will still have to have someone with a injector tester/pump set the cracking pressure.
Pat
Agraline has replacements quite reasonable but you will still have to have someone with a injector tester/pump set the cracking pressure.
Pat
Re: siezed power major
Why buy new injectors? It's surely more economical to take all of them to a diesel specialist and have them cleaned and re-calibrated. It cost me considerably less than new ones. But before you do that, did you remove all 4 injectors and couple all of them up whilst testing their spray pattern by using the starter motor and not just the fuel lift pump? Doing so will give a fair indication of any supply problem, 'cos it could be the lift pump not able to provide enough fuel to the injector pump.
I take it you are religiously bleeding the system from the filter[s] onwards each time you open part of the system?
If all the above checks out OK, I'd be suspicious of those valves.
Pavel
I take it you are religiously bleeding the system from the filter[s] onwards each time you open part of the system?
If all the above checks out OK, I'd be suspicious of those valves.
Pavel
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- True Blue
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Re: siezed power major
I do agree with Pavel on checking the injectors and making sure the system is bled…but cost of new verses rebuilding will most likely be dependent on you location…and who you know.
I am lucky enough to have a friend with a hand pump/injector tester that is needed to set the cracking pressure on injectors. Agriline gets $15.00 each for the injectors, by the time I convert that to US dollars and pay for shipping I’ll have somewhere around $100.00US in them. Set the cracking pressure, stick them in, and if everything else is up to par your ready to go.
A few years ago I sent out four injectors to get rebuilt for my IH TD9 that cost me over $500.00, my sphincter is still puckered.
Now that I think about it, I sent him several injectors and told him I dident want to buy any new parts, all he did was pick through them, put the four best ones back together and set them up.
Pat
I am lucky enough to have a friend with a hand pump/injector tester that is needed to set the cracking pressure on injectors. Agriline gets $15.00 each for the injectors, by the time I convert that to US dollars and pay for shipping I’ll have somewhere around $100.00US in them. Set the cracking pressure, stick them in, and if everything else is up to par your ready to go.
A few years ago I sent out four injectors to get rebuilt for my IH TD9 that cost me over $500.00, my sphincter is still puckered.
Now that I think about it, I sent him several injectors and told him I dident want to buy any new parts, all he did was pick through them, put the four best ones back together and set them up.
Pat
Last edited by BearCreek Majors on Sun Sep 30, 2012 2:04 am, edited 1 time in total.
Re: siezed power major
For that kind of money I hope the TD9 is running like new!!! Some pirates don't use cutlasses and pistols!
Never give up!
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- True Blue
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Re: siezed power major
yes today i found one more injector not firing properly. i have a selection so got that one working. now 3 cyls respond quite quickly to the lines bieng cracked. will deal with the other culprit tomorrow. sure would like to have a pressure tester. been shopping for a used one but no luck yet. thanks again.
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- True Blue
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Re: siezed power major
A while ago we had a simlar problem with a major that has been turned into a forklift we replaced the lift pump and the motor runs 100% now
Cheers Les
Cheers Les