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Re: 2504 injection pump rebuild kit?

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Fritz Maurer

01-11-2013 17:15:00

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Your point is well taken. I don't know what a 2504D looks like or what kind of pump it has, but the guy seemed like he knew what he was doing (he may have the equipment you mention) so I told him where to get it. I used to have pumps professionally done (and still do) as you say, but I was driven to open my first Stanadyne in the 80's due to a group of P.I.A. rebuilders in N.E. Ohio. When the I.H. 6.9L came out, they were good runners. The injector pumps were terrible. They were so bad and were replaced so often that the price got down as low as $242. New. From International. Well, that party ended after a while and pretty soon the only good deal you could get was from a rebuilder, and by that time the price for a rebuild was back up around $500. The thing that ticked me off was, now they won't even take the top cover off for less than $500. You know, it was all or nothing, claiming the fuel would contaminate their test stand (whatever), the unit had to be completely broken down and inspected. The trouble I was having with this particular pump was that it wouldn't shut off. They began yapping about excessive clearance in the metering valve, having to replace the hydraulic head... that's when I left. I went home, took the top off, didn't find anything wrong, put the top back on, it was cured. Just some little quirk in that linkage, about once a year when it wouldn't shut off, you take the top off and jiggle the linkage, and it was fine. Another time, had another 6.9L pump built,(different truck) this time shopping for warranty instead of price. I was promised a year. Drive the truck for an hour, shut it off and it wouldn't start again until it was stone cold. Rebuilder said the gear train was worn out (at 33,000?) and to advance the timing "a little bit". At the end of 5 days (one month before the warranty was up) it wouldn't start at all, hot or cold. Took the top off the pump and found a broken solder joint on the ESO coil. Called rebuilder, said he would only warranty the pump if I took it off and brought it to him. So you see, there's 2 pumps I had to fix myself because fuel shops tried to B.S. me. As for major repairs, a Roosa/Stanadyne can be done at home in many cases. For one thing, when a new hydraulic head is ordered, it comes in a plastic cup, properly adjusted. Any adjustments that must be disturbed during disassembly, I make little gauge blocks for, so I can put it back together as it was. Will my pumps pass California emissions? Probably not. Was I lucky? Probably so. If it has plenty of power, doesn't smoke white at idle, or smoke black at high idle, I got what I wanted.

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The tractor vet

01-11-2013 20:00:41

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 Re: 2504 injection pump rebuild kit? in reply to Fritz Maurer, 01-11-2013 17:15:00  
And just who might the PIA's in N.E. Ohio be. You would not slander the name of Of the one on market street in Youngstown now would you or the one over in Akron by any chance . Learned about The one in Youngstown 40 plus years ago and the one in Akron 20 years ago. I have one guy i trust and he is in New Castle Pa. since old Cal at Rish Equipment is long gone .

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Fritz Maurer

01-12-2013 06:06:25

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 Re: 2504 injection pump rebuild kit? in reply to The tractor vet, 01-11-2013 20:00:41  
No, not that far east. Let's just say I have been happy with Fluid Mechanics in Cleveland, although lately they've been sending stuff down to the guy I dislike, as Fluid Mechanics' main income is really big stuff for ore boats. I'm presently with Northwest Fuel Injection, they are very good, no games, and they know what a D-236 is as well as a Cat D-3400.

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