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Tractor Talk Discussion Forum

injector pump on ford 5610

Author 
awestphall

01-29-2007 19:56:16
209.206.180.185



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I'm using a Ford 5610 with frontloader to feed thousand Lb. bales. Yesterday I found a fuel leak coming from the top of the injector pump. Just under the throttle lever. I don't know how long it's been leaking but I have noticed that I am not getting as far on a tank. I need to fix this problem but can't afford the time to send the pump out as I need to feed every morning. Now I don't have any books for this tractor and just need to know where to find the break down for this pump online that I can print out. OR if anyone has the book and they would be willing to scan the part breakdown and send it to me that would be great also. I would appreciate any help that anyone may be able to give on this problem. THANK YOU THANK YOU THANK YOU!

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TomTX

01-30-2007 02:04:43
12.74.200.52



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 Re: injector pump on ford 5610 in reply to awestphall, 01-29-2007 19:56:16  
Is your pump a CAV? If it is a CAV, I have been there done that. The CAV is prone to leaking around the throttle shaft and the cut-off shaft. First you will need to get 2 or 3 cans of engine cleaner. Clean, clean, and clean again the whole area. After each spraying, hose off, let dry and do it again. Cleaner the better, if you drop a ball of grease/dirt into the top while the cover is off - big trouble, one piece of crud dropped into the bottom of the pump will cost you about $600-700. Now using a paper towel, start looking for your leak; it will show up real easy on the dry, clean paper towel. 1. MOST important thing is to have some paper and pencil BEFORE you take off the cover.
2. Remove shut-off linkage and throttle linkage. 3. Remove screws or nuts holding lid on. 4. DO NOT just lift up the top. Lift it just a little, very carefully so you can peek under it. A spring is attached from the lid to the bottom part of the pump. One end of spring is hooked on a wide post looking like a tombstone. The tombstone has several holes in it. Write down which hole the spring is hooked in before you remove it. The other end is through one of the holes in the flattened end of the control rod. Again write down the hole it is in before you remove it. This step is VERY IMPORTANT. If the spring is not reassembled to EXACTLY the same holes on both ends, the tractor will never run right again. The same pump can be used on different model tractors with the only difference being how the spring is hooked. My MF dealer mechanic can tell the proper holes by using the 3 numbers on the CAV. Now remove the spring, and lift off the lid. 5. Write down the model/year of tractor, and the model of the CAV pump and serial number. There are 3 different numbers on my CAV pump.
6. Take the cover with you and head to MF dealer and purchase a new gasket and four (4) tiny o-rings that fit around the throttle shaft and the shut-off shaft. Each shaft has 2 o-rings. If the o-rings are not leaking now, they soon will so replace all of them. Total cost of gasket and 4 o-rings is about $5 or $6. 7. You will need a little patience and two extra hands to get the spring attached on both ends and the new gasket fitted. I did this complete procedure on my MF 690 and now it has NO LEAKS.
Tom

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RodInNS

01-29-2007 20:23:44
142.177.80.11



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 Re: injector pump on ford 5610 in reply to awestphall, 01-29-2007 19:56:16  
You can go to www.newholland.com/na and roam into the parts section. You should find the parts lookup, search for 5610, and then go to fuel systems, '81-10/85. That may or may not give you a breakdown of the pump. They've become reticent about selling any parts for pumps anymore, so they may simply show a unit, and NSS (not serviced separately, or something to that effect....
If it's the seals on the throttle shaft you're after, I think an o-ring kit would probably have them, or a diesel specialist. Just cut the wire seals on the pump cover, remove the linkages, and then the cap nuts, and carefully remove the cover. Take note of the location of the govenor spring.... That's about all the help I can give you, as I'm no pump expert. There are some here. It's a DPA pump for those interested....

Rod

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