6D45F11
5-38
9
8
7
6
5
4
3
2
1
Cylinder block
9.
Remove the crankcase bolts in the
sequence shown.
NOTE:
Insert a flat-head screw driver between the
pry tabs to pry off the crankcase.
10. Remove the connecting rod bolts and the
piston assemblies.
NOTE:
Be sure to paint the alignment mark on the
connecting rods and caps, before remove the
connecting rods.
11. Remove the crankshaft, oil seals, dowel
pins and bearings.
Disassembling the piston and
connecting rod assemblies
1.
Remove the clips
1
with pliers, and then
remove the piston pin
2
.
2.
Remove the top ring
3
2nd piston ring
4
and oil ring set
5
.
Checking the piston diameter
1.
Measure the piston outside diameter at
the specified measuring point. Replace if
out of specification.
1
9
5
8
4
3
7
6
10
2
6D451030
1
2
3
4
5
6
7
8
9
0
6D451040
6D451050
1
2
3
4
5
1
6D451060
Piston diameter
a
:
58.950–58.965 mm
(2.3209–2.3215 in)
Measuring point
b
:
5.0 mm (0.2 in) up from
the bottom of the piston skirt
Oversize piston diameter:
Oversize 1: 59.2 mm (2.33 in)
Oversize 2: 59.5 mm (2.34 in)
6D45F11-05 03.10.9 20:44 Page 41
