Sorry My internet connection is not working with me and taking to long to get to the exact page. Navigate through the pages and it is listed there under fuel injection or something like that.
I did it about 6 months ago but I forget all of the exact numbers between the early 616 and other models.
Basically get all 3 nuts off (That bottom one is major major major...Ohh did I say major pain on the 115)
Make sure the pump is lined up (there are marks on the and a spline if I remember correctly) and slip it in with the #1 cyclinder TDC
Tighten everything down and and put on all injector lines and prim the system and trun the crank around a few times with your socket.
Take off the number one and make sure it wells (or if you have the drip tool) at the degree mark on the balancer as noted in the manual.
To get it perfect it is a real pain in the butt on the 115 becuase there is no room in there but to get it close enough to start will be easy.
Easier job with two people. 1 to crank 1 to look at the fuel in the IP fuel port on top.
Sorry if this is confusing but it is all explained on the manual that is below. Is all PDF format. The first one is just in case you have other cars for the future and the second is for the installation of the IP.
http://mb.braingears.com/114_115_Disk1/program/matrix6.htm
http://mb.braingears.com/114_115_Disk1/program/Engine/615/07-200.pdf
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76 300D 130K "Stella" (Sold

)
74 240D 299K (Donated to Highschool For Senior Project WVO)
83 300TDT 290K (My one and only)
Sanford, NC