5200 injection pump

   / 5200 injection pump #1  

Harry in Ky

Veteran Member
Joined
Jan 27, 2012
Messages
2,284
Location
Winchester Ky
Tractor
Allis Chalmers ED 40
Anyone know the trick involved in separating the drive gear from the pump shaft? I didn't see an access cover on the timing gear front cover so I thought maybe the pump was simply a splined shaft. Parts book shows gear held on with a nut(so much for it being that easy). Also shows a plug of some sort threaded into timing cover where it might line up with said nut. Is there maybe some special tool that threads into this hole and provides a trick to pop the gear loose once the nut is backed off?
 
   / 5200 injection pump #3  
I think one removes plug(parts key #6) to access the nut/washer on inj pump shaft. Be sure and put engine on #1 TDC before removing the nut.
 

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