Bosch Model PES Pump Diagram

Bosch model PES (pump enclosed camshaft, and Aange mounted to the engine):
1, delivery valve holder; 2, filler piece;
3, delivery valve spring; 4, pump barrel;
5, delivery valve; 6, inlet and spill port;
7, plunger helix; 8, pump plunger;
9, rack control sleeve; 10, plunger control arm;
11, plunger return spring; 12, spring seat;
13, roller tappet; 14, camshaft; 15, control rod/rack.