Yanmar 4LHA-HTP Operation Manual page 566

Chapter 7 Reduction and Reversing Gear
6. Reassembly
(6)Drive in the driving gear and inner bearing race using
the inserting tool.
Inserting tool
(7)Set and tighten the clutch gear (B) end nut.
Fit the clutch shaft in a vice, and tighten the nut
with a torque wrench.
Torque wrench
Tightening torque
NOTE: 1) Remember it is a left-handed thread.
2) Use the clutch gear (A) side nut which is used
before dismantling for the clutch gear (B) end
nut This is not to make the calked portion to
die same point
3 9 2 N m
(40kgf-m)
7-1-30
(8)Calking the end nut and clutch shaft.
6-1-2 Clutch gear (A) side
(Dlnsert the drive cone, snap ring and thrust collar (B).
— T h r u s t collar (B)
— ' S n a p ring
NOTE: Insert it keeping the O-stamped make surf act
toward the clutch gear (B) side.
(2)Drive in the inner needle bearing race, using an insert
ing tool.
Inserting tool
4LHA Series
O-stamped
mark