220 injection pump shaft

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   I believe I have found the correct injection pump drive shaft for the 220. It is stamped with the number 16063. This engine had a DB pump with tang drive shaft in it and I've been searching parts to get the correct setup. There is a difference in the depth of the hole for the thrust button and spring between the tang shaft and splined shaft. Button and spring I took out has a combined length of 2.055. When set in the shaft, the button sits around .110 deeper in the splined shaft. 
There is no number on the button. How far should the button protrude from the end of the shaft? If it is correct for the tang shaft, can I machine a spacer to put down in the splined shaft to bring it up to proper height?

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JM185 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 14 Jun 2023 Location: Ohio Points: 30	Post Options Post Reply Quote JM185 Report Post Thanks(0) Quote Reply Topic: 220 injection pump shaft Posted: 14 hours 53 minutes ago at 9:24pm
	I believe I have found the correct injection pump drive shaft for the 220. It is stamped with the number 16063. This engine had a DB pump with tang drive shaft in it and I've been searching parts to get the correct setup. There is a difference in the depth of the hole for the thrust button and spring between the tang shaft and splined shaft. Button and spring I took out has a combined length of 2.055. When set in the shaft, the button sits around .110 deeper in the splined shaft. There is no number on the button. How far should the button protrude from the end of the shaft? If it is correct for the tang shaft, can I machine a spacer to put down in the splined shaft to bring it up to proper height?

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 21112	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 14 hours 28 minutes ago at 9:49pm
	What you cannot have is a bottoming out of the spring when you install the cover over the gear. Lay a straight edge against the button and test for this. I guess you'd probably want near max pressure the spring can provide WITHOUT bottoming out.