Bosch PFR Single-Cylinder Injection Pump Diagram

 
By 15 October 2015
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Section through a type PFR(roller tappet) single-cylinder injection pump 1, delivery valve holder; 2, delivery valve; 3, pump barrel; 4, pump plunger; 5, fuel control rod (rack); 6, rack control sleeve; 7, plunger control arm; 8, roller tapper.