Service manual

FUEL INJECTION PUMP
4. lnspect the pump housing (Figure 5-19, (1,2)). 5. lnspect the drive gear (Figure 5-20, (I)), rotor
If the pump housing is worn, replace the
assembly (Figure 5-20, (2)), drive pin
complete pump assembly.
(Figure 5-20, (3)), seal (Figure 5-21, (2)) oil
ports
(Figure 5-21, (3)) and O-ring seal areas
(Figure 5-21, (1)) for wear. If damaged or worn,
replace the complete pump assembly.
0003559
Figure 5-1 9
Figure 5-20
Figure 5-21
mNMAR. MP Series Service Manual