Yanmar YM155d Service Manual page 56

( 2 ) During assembly, clean each component b e
(4) Be sure t o align all assembly markings and
fore fitting into position.
scribed lines.
(3)
After assembly, make sure that the rack
moves freely without resistance.
ASSEMBLY SEQUENCE
[NO. 1
CYLINDER1
1. Plunger barrel packing
2.
Plunger barrel
3.
Delivery valve seat and packing
4. Delivery valve
5 . Delivery valve holder O-ring. (Torque: 30-32.6 ft.lbs/4-4.'5 kg-m)
6.
~eliv'ery valve holder
7. Rack (Make sure that the rack is fined in the correct direction.)
8. Fuel control pinion (A). (Line up alignment marks.)
9. Plunger spring retainer. (Check which side should be up.)
10. Plunger spring
11.
Plunger (Line up alignment marks)
12.
Plunger spring lower retainer
13. Plunger position adjusting shim. (Adjust the plunger
to close the port of barrel by the shim(s) in which
pre-fit volume i s 0.098" (2.5 mm).)
14. Plunger guide
15. Plunger guide roller
[NO. 2 CYLINDERJ
ntrol
16. Fuel control pinion (B). (Line up alignment marks on rack and control pinion.)
17. Plunger barrel
18. Same procedure as 1 3 to 6.
19. Fuel control sleeve. (Line up scribed lines on control pinion IB) and sleeve.)
20. Same procedure a s 9 to 15.
21. Rocker pin
-