Worst fuel filter I have ever seen.

Vizslaman · Jun 14, 2018

Whilst working my way through the FE35 I have reached a point where I decided to tackle the fuel system, so I removed the injector pump and sent it off to be overhauled and proceeded to remove the fuel filter.
OMG I have never seen a filter like it.
I guess a quick swill out in clean diesel is out of the question this time.

startinghandle · Jun 14, 2018

that is a very old filter... can you get the new equivalent ? there is a filter specialist in mid/south Wales if you have problem.

Ley253 · Jun 14, 2018

looks like a 296.Old number 711111144(I think)! If this is just for a show tractor put a dose of diesel bug preventative/killer in the tank!

Vizslaman · Jun 14, 2018

Yes a VERY old filter. There is a very small hole in the filter bowl which was plugged with a self tapping screw.
I will try and find a secondhand assembly if possible to keep the old girl original

Cowabunga · Jun 14, 2018

Alternatives to CAV296 are almost ten a penny. Literally costing less than £3 each for good quality ones, even genuine AGCO.

No wonder the injector pump needed overhauling if that is the kind of regular servicing this poor tractor is [not] subject to.

Unless it is being done up for showing to pristine original ex-factory condition, who cares what brand of filter is fitted? Just give it new filters every three or four years, depending on its workload and the cleanliness of fuel in its tank. The filter in the picture is from the 1960's and it might not have been changed since.

Was there anything actually wrong with the injector pump apart from being starved of fuel by blocked filters? The overhaul people will always say there was, to justify a £500+ bill for a clean-up and test, of course.

startinghandle · Jun 14, 2018

Cowabunga said:
Alternatives to CAV296 are almost ten a penny. Literally costing less than £3 each for good quality ones, even genuine AGCO.

No wonder the injector pump needed overhauling if that is the kind of regular servicing this poor tractor is [not] subject to.

Unless it is being done up for showing to pristine original ex-factory condition, who cares what brand of filter is fitted? Just give it new filters every three or four years, depending on its workload and the cleanliness of fuel in its tank. The filter in the picture is from the 1960's and it might not have been changed since.

Was there anything actually wrong with the injector pump apart from being starved of fuel by blocked filters? The overhaul people will always say there was, to justify a £500+ bill for a clean-up and test, of course.

have a look at the picture again because there is a rim around the base of the filter .. all the 296 filters I have seen have groove around the base and I cant be sure but it looks longer than a 296

startinghandle · Jun 14, 2018

Cowabunga said:
Alternatives to CAV296 are almost ten a penny. Literally costing less than £3 each for good quality ones, even genuine AGCO.

No wonder the injector pump needed overhauling if that is the kind of regular servicing this poor tractor is [not] subject to.

Unless it is being done up for showing to pristine original ex-factory condition, who cares what brand of filter is fitted? Just give it new filters every three or four years, depending on its workload and the cleanliness of fuel in its tank. The filter in the picture is from the 1960's and it might not have been changed since.

Was there anything actually wrong with the injector pump apart from being starved of fuel by blocked filters? The overhaul people will always say there was, to justify a £500+ bill for a clean-up and test, of course.

perhaps I mistook the old sealing ring for rim

Netherfield · Jun 14, 2018

44 is not the same as a 296.

Hilly · Jun 14, 2018

Your brave sending a fuel pump for recon , prepare for disappointment , ive vowed never again its new or not at all.

startinghandle · Jun 14, 2018

Hilly said:
Your brave sending a fuel pump for recon , prepare for disappointment , ive vowed never again its new or not at all.

I am interested in knowing the problem you have received with having pump recon

Hilly · Jun 14, 2018

startinghandle said:
I am interested in knowing the problem you have received with having pump recon

Have had 3 done over the years, all came back with worse performance than they went away with, all received complaints and sent back again with dirty fuel blamed which is rubbish of course came back second time no better, 3rd one i gave up on bought a new one and had no problems for thousands of hrs after, never again will i recon i will throw away and buy new or get rid of machine.

startinghandle · Jun 14, 2018

Hilly said:
Have had 3 done over the years, all came back with worse performance than they went away with, all received complaints and sent back again with dirty fuel blamed which is rubbish of course came back second time no better, 3rd one i gave up on bought a new one and had no problems for thousands of hrs after, never again will i recon i will throw away and buy new or get rid of machine.

thanks for reply.... very interesting

Hilly · Jun 14, 2018

startinghandle said:
thanks for reply.... very interesting

My man in a van reckon he has had nothing but bother with reckon pumps as well he recommends new or not bother, any hassle they blame dirty fuel every time bog standard get out clause with these people every time.

Vizslaman · Jun 14, 2018

I have had very good results having pumps serviced on everything from little 2.2 BMC diesel to a bloody great Gardener straight 8 and Perkins V8. I guess like everything it is all down to the person doing the reconditioning.

Ley253 · Jun 14, 2018

My local diesel shop replaces with new all the wearing parts, so all thats old is the case. At one time, it was normal to reface nozzle seats etc, but even then elements in pumps were replaced. Rebuilding in line pumps and nozzle repair was part of my ICE engine course whilst in the RN.

MrNoo · Jun 14, 2018

It's amazing how some of these old engine run when filters etc are so clogged up, like the lift pumps on the TEF's, I often marvel how they manage to run when the top of the filter head is gummed up solid with crud!!!
You can get all the filters easily online via Mayhill Tractors or even Agco etc.
Re pumps, I sent 2 away to be done, one was perfect and the other done locally wasn't quite right, dont think they set the element timing up quite right as it wouldn't idle really nicely unless I altered the injector spring pressure and hence the timing, after doing that it is perfect, but the pump did go back and I was told it was spot on.
My 35 I didn't bother getting the pump done (it had a sticker on from an injector specialist, so assumed it had been done at some point) I just replaced the injector nozzles, and it runs fine, ticks over really nicely and pulls well.

MrNoo · Jun 14, 2018

Here's mine, almost finished, air filter bowl needed and I have to put the rear lift arms/linkage on and also sort out a flat plate for pulling a trailing plough.

mikep · Jun 16, 2018

Hilly said:
Your brave sending a fuel pump for recon , prepare for disappointment , ive vowed never again its new or not at all.

I've had a couple done both fine. The last was last year in the combine the pump sheared is head in the only dry spell we had.
I phoned the local repairers and they looked up the parts required (CAV) and they were NLA. I had a recon pump that I had had rebuilt by Lucas years previously and asked if it would fit. The answer was no but it, by some miracle, had the right head for mine. They rebuilt it for me with the new/old head and it runs fine except for it is 10% faster then the old. I queried this and they showed the test report and that backed them up! Seems old one was slow. As an aside when I took it in they said it was obviously dirty fuel that caused it. When I picked it up they said it was a clean as a whistle and the only reason they could suggest was a small suction leak letting a bit of air in!

Vizslaman · Jun 20, 2018

and the injector pump was not much better

Cowabunga · Jun 20, 2018

Did I ever mention an old blue Leyland on a neighbouring farm? This happened at least 25 years ago and they still have the tractor.

It wasn't starting or running properly so one of them asked me what I thought it could be. I said "change the fuel filter. It's probably blocked". He replied "It can't possibly be that, because it blocked some years ago and I burnt the paper element out of it back then".

Then there was the chap with the MF290, who used to boast that he absolutely never changed tractor transmission oil, until the oil/water soapy mix in the MF35 froze one year and knackered his linkage pump and drive up. Anyhow, one day I was there and he'd decided to change his 290's engine oil. He hadn't done so for four or five years and the tractor was now around fifteen. He walked out of his shed holding an oily rag wrapped around a canister and said "I'm sure this filter will be OK as it was only on the tractor for the first 50 hours when it was new". The mean old git had kept the original factory oil filter which was removed at the tractor's first service fifteen years earlier.

I could write a book about what I've seen over the years.

Worst fuel filter I have ever seen.

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