Repair manual

6
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
F3C CURSOR ENGINES
Base - May 2007 Print P2D32C005 E
F
3
C
T
y
p
e
F
3
C
T
y
p
e
mm
X
1
2
X
X1 3.100 to 3.120
X
3
2
X
Piston ring grooves X2 1.550 to 1.570
3
X
X3 5.020 to 5.040
Piston rings:
trapezoidal seal S1*
3.000
1
2
S
S
p
lune seal S2
i
l
l
d
i
3
.
0
0
0
1.470 to 1.500
3
2
S
S
milled sc
r
a
p
e
r
r
in
g
with slits and internal
s
p
r
i
n
g
S
3
4
.
9
7
0
t
o
4
.
9
9
0
s
p
r
i
n
g
S
3
* measured on ∅ of 130 mm
4
.
9
7
0
t
o
4
.
9
9
0
1 0.100 to 0.120
Piston rings - grooves 2 0.050 to 0.100
3 0.030 to 0.070
Piston rings -
X
1
2
X
Piston ring end gap
in cylinder liners
3
2
X
X
X1 0.40 to 0.50
3
X
X2 0.65 to 0.80
X3 0.40 to 0.75
1∅
Small end bush housing
nominal Ø1
59.000 to 59.030
∅ 2
Bigendbearinghousing
nominal Ø2
-Class 1
-Class 2
-Class 3
{
94.000 to 94.030
94.000 to 94.010
94.011 to 94.020
94.021 to 94.030
∅4 Small end bush diameter
∅
3
outside ∅4 59.085 to 59.110
∅
3
inside ∅3
54.019 to 54.035
S
Bigendbearingshell S
Red
Green
Yellow
1.965 to 1.975
1.976 to 1.985
1.986 to 1.995
Small end bush - h ou sin g 0.055 t o 0.110
Piston pin - bush 0.019 to 0.041
Big end bearing 0.127 - 0.254 - 0.508
Connecting rod weight g.
A 4756 to 4795
Class B 4796 to 4835
C 4836 to 4875