First time rebuilding Roosa Master injector pump

Well this is my first time attempting a Roosa Master Db injector pump I washed it down and blew off with compressor took the cover off and took all linkage and springs out and removed metering valve no problem so far I am now ready to pull the head in the morning so far it's been a breeze I hope it continues if anyone has any tips or advice it would be greatly appreciated I will post how the head removal goes Thank you jon

First time rebuilding Roosa Master injector pump