TM 9-2910-226-34 delivery valve chamber connects with the plunger downward through the head into the fuel supply c. bore fuel at the fuel plunger annulus. sump. The sump is located at the midsection of the The hydraulic head is drilled and tapped for plunger bore and accommodates the plunger sleeve. inlet and outlet passages. Drilled holes slant C AA A B D E F G H J K L M N R S T U Sliding gear V Timing device spring W Timing device hub X Timing pointer Y Timing cover Z Tappet roller pin Tappet guide BB Spring lower seat CC Plunger lock DD Plunger inner spring EE Spring upper seat FF Plunger guide GG Drive gear retainer HH Plunger drive gear Gear thrust washer Plunger sleeve LL Inlet housing diaphragm AG Hydraulic head MM Smoke limit cam AH Plunger bore screw NN Governor fulcrum lever AJ Fuel plunger PP Stop plate Figure 1-15. Metering and distributing fuel injection pump assembly (code F), left sectional view. Fuel deliver valve Delivery valve screw Plunger button Density compensator gasket Guide nut Guide Diaphragm housing Servo spring Fuel inlet housing Fuel outlet housing Servo pressure valve Fuel outlet port Pressure regulator valve Fuel inlet port Piston QQ RR SS TT UU VV WW XX YY ZZ AB AC AD AE AF Governor end cap Governor inner spring Governor outer spring Governor housing Governor weight Sliding sleeve Friction drive spider Camshaft bushing type bearing Tappet roller Camshaft Camshaft ball bearing Injection pump housing Timing device housing End play spacer Sliding gear spacer Spider thrust plate Weight and spider assembly Plunger outer spring JJ KK P Q 1-17