TM10-3930-660-34 Figure C-12 Hydraulic Piston Pump - Driveshaft/Pup Housing Bearing Installation Tool WARNING Wear eye shields and protective gloves when fabricating this tool.  Flying metal particles and heated metal may cause serious personal injury. Machine installation tool from 1-1/2 inch steel pipe per the dimensions on sketch.  All surfaces are to be smooth and flat.  Radius or chamfer all sharp edges. C-12