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Tractor Talk Discussion Forum

injection pump cover gasket blown

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mike

03-28-2004 11:46:14




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The cover on my injection pump (where the shutoff and throttle arms connect to) has blown a gasket and diesel spews out. Can you remove the cover and replace the gasket without messing up anything inside? Or, if not, can the gap be filled with some kind of gasket compound without having to remove the cover?




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Tom

03-29-2004 06:19:27




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 Re: injection pump cover gasket blown in reply to mike, 03-28-2004 11:46:14  
I had to replace because the 2 small o-rings were leaking diesel. I replaced bot sets of o-rings and the gasket. Can be done, but it is very delicate job. In my pump on a MF-690 Perkins there is a small spring that one end connects to base of the pump and the other end connects to the inside of the pump cover that you are removing. CAUTION: before disconnecting the spring, look very closely and write down where the ends are hooked. One end is hooked in a part shaped like a tombstone which has multiple holes. The other end hooks in a small plate which has multiple holes. These ends MUST be hooked in exactly the correct holes. Where these spring ends are hooked varies by engine and pump. lastly, if you are going to replace the gasket, then by all means replace the o-rings because some day they will start leaking.

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stan

03-28-2004 14:14:41




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 Re: injection pump cover gasket blown in reply to mike, 03-28-2004 11:46:14  
I just had the same thing happen on my perkins 3 cyl.I went to my local tractor dealer, and got a new gasket and two 0 rings. The lid comes off, but be careful to see where internal parts connect. Don't be in a hurry. I think the important part is the psition of a little spring. The spring has several holes it can be attached to. The gasket has tabes to hold it inplace. If you dont have a perkins diesel just take your time.

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Bob

03-28-2004 12:07:24




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 Re: injection pump cover gasket blown in reply to mike, 03-28-2004 11:46:14  
Knowing the make of the pump and the tractor it is used on would greatly expedite correctly answering this question.



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