A - Sliding gear X - Plunger button

B - Advance unit spring Y - Stop plate

C - Advance unit hub Z - Smoke limit cam

D - Timing pointer AA - Governor cover

E - Timing cover BB - Governor end cap

F - Tappet roller pin CC - Governor inner spring

G - Tappet guide DD - Governor outer spring

H-Spring lower seat EE - Governor housing

J - Plunger lock FF - Governor weight

K-Plunger inner spring GG - Sliding sleeve

L - Spring upper seat HH - Friction drive spider

M - Plunger guide JJ - Camshaft bushing type bearing

N - Drive gear retainer KK - Tappet roller

P-Plunger drive gear LL - Camshaft

Q-Gear thrust washer MM - Camshaft ball bearing

R - Plunger sleeve NN - Injection pump housing

S - Hydraulic head PP - Advance unit housing

T -Plunger bore screw QQ - End play spacer

U - Fuel plunger RR - Sliding gear spacer

V -Fuel delivery valve SS - Spider thrust plate

W - Delivery valve screw TT - Spider assembly

Figure 5-31. - Metering and distributing fuel pump assembly-left sectional view.