Bosch Model PES Pump Diagram

 
By 21 October 2015
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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.