Case 480B injector pump leak

TimMiller · Jan 31, 2010

Our case 480B has a leak at the injector pump. It appears to be coming out of where the throttle control linkage goes into the injector pump. Can you just remove this and replace an few o-rings, or do i need to remove the injector pump and send it off. Every time I park the tractor now I have to shut off the fuel or it will leak all of the fuel out of the tank (very slowly). When you park it you will see a puddle of diesel. It always starts right up though.

lonzo · Feb 8, 2010

It's easy to replace the orings on the shaft if the shaft doesn't hit the block on the way out. If so then you half to remove the pump, remove the pump lid ( 3 screws ) and you will see 1 long black clip, pry this clip up and them you will see a small clip on the other side remove it, the S lever in the middle will come loose when you pull the shafts, remeber where the S shaped was located on the 3 sided shaft and now you can replace the orings

Case 480B injector pump leak

TimMiller

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lonzo

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