Service manual

FUEL INJECTION PUMP
Roller Lifter
1. lnstall the link lifter (Figure 5-51, (1)) and
O-ring.
2. Install the roller lifter (Figure 5-51, (2)) with the
groove on the side of the lifter aligned with the
lifter alignment pin hole.
0001248A
Figure 5-51
3. With roller lifter groove aligned, install the roller
lifter alignment pin
(Figure 5-52, (1)). Slowly
tighten the pin by hand
(4 mm hex wrench)
while turning camshaft to ensure the lifter
moves freely with pin in position. Torque the pin
to
3 - 4 ft-lb. (4 - 5 N-m). Lifter must move freely
after pin is torqued.
0001249
Figure 5-52
Plunger and Control Rack
1. Install the plunger (Figure 5-53, (1)) into the
head assembly.
Figure 5-53
2. Install the control sleeve (Figure 5-55, (2))
aligning the plunger identification marking
(example:
"W4") (Figure 5-54, (4)) with the ball
(Figure 5-54, (2)) of the control sleeve.
1. Upper Lead 4. Identification
2. Ball Marking
3. Sub-lead
Figure 5-54
YANMAR. MP series service Manual