Service manual

FUEL INJECTION PUMP
8. lnstall the accumulator piston (Figure 5-73, (6))
and check that it moves freely. lnstall the spring
(Figure 5-73, (5)), seal (Figure 5-73, (4)) and
tighten the plug
(Figure 5-73, (3))
to 37 - 4lft-lb. (50 - 55 N.m).
Figure 5-73
9. lnstall a new timer housing seal
(Figure 5-74, (1))
10. lnstall a new seal (Figure 5-75, (9)) into the
head. lnstall new O-rings (Figure 5-75, (8)) on
the timer housing
(Figure 5-75, (7)) and install
the timer housing tightening to
30 - 33 ft-lb. (40 - 45 N-m).
11. lnstall the timer spring (Figure 5-75, (6)) and
piston
(Figure 5-75, (5)) into the housing.
Figure 5-75
0001279
Figure 5-74
YANMARe MP Series Service Manual
5-33