TM 9-2910-226-34 A Sliding gear B Timing device spring C Timing device hub D Timing pointer E Timing cover F Tappet roller pin G Tappet guide H Spring lower seat J Plunger lock K Plunger inner spring L Spring upper seat M Plunger guide N Drive gear retainer P Plunger drive gear Q Gear thrust washer R Plunger sleeve S Hydraulic head T Plunger bore screw U Fuel plunger V Fuel delivery valve W Delivery valve screw X Plunger button Y Density compensator gasket Z Guide nut AA Guide BB Density compensator housing CC Servo pressure adjustment valve DD Servo pressure tap EE Compensator housing cover FF Housing cover gasket GG Servo spring HH Spring piston JJ Pressure regulating valve KK Fuel inlet port LL Piston link MM Smoke limit cam NN Governor fulcrum lever PP Stop plate QQ Governor end cap RR Governor inner spring SS Governor outer spring TT Governor housing UU Governor weight VV Sliding sleeve WW Friction drive spider XX Camshaft bushing type bearing YY Tappet roller ZZ Camshaft AB Camshaft AC Injection pump housing AD Timing device housing AE End play spacer AF Sliding gear spacer AC Spider thrust plate AH Weight and spider assembly AJ Plunger outer spring AK Sliding stop plate AL Droop screw AM Torque link spring AN Torque link Figure 1-17. Metering and distributing fuel injection pump assembly (code A ), left sectional view. 1-19