Mitsubishi diesel engines Service Manual page 109

FUEL SYSTEM - DISASSEMBLY, INSPECTION AND REASSEMBLY
(3)
Installing the control sleeves
(a)
Assemble the control sleeves onto the control
rack so that each sleeve is aligned with the
notched line.
(b)
Insert the plungers into the sleeves.
Insert the plungers so that their cuts face the
adjusting plates.
(4)
Installing the tappets
While pressing the tappet down, move the
control rack. When the tappet groove is aligned
with the tappet guide pin hole in the pump
housing, install the lock plate and the tappet
guide pin.
Do not use the old lock plate. Replace with a
new part.
(5) Tightening the delivery valve holders
Tighten the delivery valve holders to the
specified torque.
(a) Do not overtighten the plungers as they will
seize.
(b) Do not undertighten neither as it will cause
the fuel to mix in the engine oil.
3 - 18
Center tooth
(the only tooth visible when viewed
from the bottom)
Notched line
Installing the control sleeves
Inserting the plunger
Face the pin
cutout correctly
Installing the tappet
Tightening torque:
39.2 to 49.0 N m
(4.0 to 5.0 kgf m)
[28.9 to 36.2 lbf ft]
Tightening the delivery valve holder
Lock
plate
Pin