Doosan DB33A, Service Manual, Page: 54 / 78

50
¡ ¡
‹
Timing gear case (6)
¡ ¡
‹
Camshaft (7)
Tighten the thrust plate bolts through the camshaft
gear hole.
¡ ¡
‹
Torque (kg
ƒU
m)
¡ ¡
‹
Piston and connecting rod assembly (8)
Position the piston ring gaps as shown in the figure.
Position the piston front mark towards the front of the
engine. Use a hammer grip to push the piston in until
it makes contact with the crank pin. At the same time,
rotate the crankshaft until the crank pin reaches its
highest point.
Set the bearing cap cylinder number marks and the
connecting-rod cylinder number marks.
The marks must be facing the exhaust manifold.
¡ ¡
‹
Connecting rod cap bolt
-Lubricate the connecting-rod cap bolt threads and
setting faces with MoS grease.
Camshaft gear
Top ring
Oil ring
2nd compression ring
Cylinder No. TY
11T
Bolt head
Torque (kg
ƒU
m)
12
¡
0.25
(86.8
¡
1.8 lb
¡⁄
ft)
9.75
¡
0.25
(70.5 ¡ 1.8 lb ¡⁄
ft)
11
TY
12T
Torque (kg
ƒU
m)
2.6
(18.8 lb
¡⁄
ft)
Thrust plate bolt
Camshaft gear bolt
2.1
(15.2 lb
¡⁄
ft)
16
(115.7 lb
¡⁄
ft)