Yanmar 4LHA-HTP Operation Manual page 451

Chapter 3 Fuel Injection
3. Disassembly,
(8) Insert the
bottom of
lever, and i n s e r t the support pin in the hole on the
roller g r o o v e .
NOTE: Check the movement of the rack. If the move-
ment is heavy, the plunger spring may be out
of place. Insert a screwdriver and bring it to
the correct
Fit the shims when replacing the roller guide
assembly and tighten then
(J
Equipment
Reassembly and Inspection of Fuel Injection Pump
roller guide, pushing it up from the
t h e pump with the roller guide push
position.
lightly.
(9) Fit the bearings to b o t h ends of t h e camshaft, and
insert from the driving side.
(10) Fit the oil seal on the inside of the bearing holder
and mount the bearing holder.
NOTE: Coat the camshaft and the oil seal with silicon
oil to prevent the oil seal from being scratch-
ed.
tightening torque
(11) Tap in the camshaft woodruff key.
3-2-29
4LHA Series
5 . 9 - 6 . 9 (0.6-0.7) N(kgf) m