Iveco Daily. Manual — part 15
ENGINES 8140.43R/B/S/N
42
D
AILY
Base - May 2004
8140.43R.43XX
8140.43R.44XX
ID/TCA
8140.43B.43XX
8140.43B.44XX
ID/TCA
8140.43S.41XX
8140.43S.43XX
8140.43S.44XX
ID/TCA
8140.43N.43XX
8140.43N.44XX
ID/TCA
CYLINDER BLOCK AND CRANK MECHANISM COMPONENTS
mm
Piston type
MONDIAL PISTON - KS
1
X
X1*
2.200
÷ 2.230
X
1
2
X
Piston ring grooves
X2
2.050
÷ 2.070
X
3
2
X
X3
2.540
÷ 2.560
3
X
* measured on
∅ of 91.4 mm
1
S
S 1*
2.068
÷ 2.097
1
2
S
S
Piston rings
S 2
1.970
÷ 1.995
3
2
S
S
S 3
2.470
÷ 2.490
* measured on
∅ of 91.4 mm
1
0.103
÷ 0.162
Piston rings - grooves
2
0.55
÷ 0.100
3
0.05
÷ 0.09
Piston rings
0.4
X1
2
X
Piston ring end gap in cylin-
der liners
3
2
X
X
X1
0.20
÷ 0.35
3
X
X2
0.30
÷ 0.50
X3
0.30
÷ 0.55
1
∅
Small end bush housing
Ø 1
35.460
÷ 35.490
∅ 2
Big end bearing housing *
Ø 2
60.341
÷ 60.348
* spare connecting rod
supplied
∅4
Small end bush diameter
∅
outside
∅ 4
35.570
÷ 35.595
∅3
inside
∅ 3
32.010
÷ 32.020
SS
Big end bearing shell
supplied as spare parts
S
1.875
÷ 1.884
Small end bush - housing
0.08
÷ 0.135
Piston pin - bush
0.014
÷ 0.03
Piston rings
0.254
÷ 0.508
ENGINES 8140.43R/B/S/N
43
D
AILY
Base - May 2004
8140.43R.43XX
8140.43R.44XX
ID/TCA
8140.43B.43XX
8140.43B.44XX
ID/TCA
8140.43S.41XX
8140.43S.43XX
8140.43S.44XX
ID/TCA
8140.43N.43XX
8140.43N.44XX
ID/TCA
CYLINDER BLOCK AND CRANK MECHANISM COMPONENTS
mm
X
Measuring dimension
X
125
Max. connecting rod
axis misalignment
tolerance
=
0.07
1
2
∅
∅
Main journals
∅ 1
nº 1 - 2 - 3 - 4
nº 5
80.182
÷ 80.208
86.182
÷ 86.208
Crankpins
∅ 2
56.515
÷ 56.538
S 1
S 2
Main bearing shells
S1*
2.165
÷ 2.174
S 1
S 2
Big end bearing shells
S2*
1.875
÷ 1.884
* supplied as spare parts
3
∅
Main bearings
∅ 3
nº 1 - 2 - 3 - 4
nº 5
84.588
÷ 84.614
90.588
÷ 90.614
Bearing shells -
main journals
0.032
÷ 0.102
Bearing shells -
big ends
0.035
÷ 0.083
Main bearing shells
0.254
÷ 0.508
Big end bearing shells
0.254
÷ 0.508
1
X
Main journal,
thrust bearing
X 1
31.000
÷ 31.100
X
2
Main bearing housing,
thrust bearing
X 2
26.500
÷ 26.550
X 3
Thrust washer
halves
X 3
30.900
÷ 30.950
Crankshaft end
float
0.060
÷ 0.310
ENGINES 8140.43R/B/S/N
44
D
AILY
Base - May 2004
8140.43R.43XX
8140.43R.44XX
ID/TCA
8140.43B.43XX
8140.43B.44XX
ID/TCA
8140.43S.41XX
8140.43S.43XX
8140.43S.44XX
ID/TCA
8140.43N.43XX
8140.43N.44XX
ID/TCA
CYLINDER HEADS - VALVE GEAR
mm
∅ 1
Valve guide housings in the
cylinder heads
∅1
12.950
÷ 12.985
2
∅
∅ 2
8.023
÷ 8.038
∅ 3
∅ 2
Valve guide
∅ 3
13.012
÷ 13.025
Valve guides and housings
in the cylinder heads
0.027
÷ 0.075
Valve guide
0.05 - 0.10 - 0.2
∅ 4
Valves:
∅ 4
7.985
÷ 8.000
∅ 4
α
7.985
÷ 8.000
60
° 15′ ± 7′ 30″
∅ 4
7.985
÷ 8.000
α
∅
α
7.985
÷ 8.000
45
° 30′ ± 7′ 30″
Valve stem and its guide
0.023
÷ 0.053
Housing in head for valve
seat
∅1
42.125
÷ 42.175
∅ 1
∅1
37.380
÷ 37.415
2
∅
Outside diameter of valve
seat; angle of valve seat in
li d
h d
g
cylinder head:
∅ 2
44.245
÷44.260
α
60
° ± 5′
α
∅ 2
37.495
÷ 37.510
∅
α
37.495
÷ 37.510
45
° ± 5′
X
1.2
÷ 1.5
X Recessing of valve X
1
÷ 1.3
Between valve
seat and head
0.070
÷ 0.135
seat and head
0.080
÷ 0.130
Valve seats
-
ENGINES 8140.43R/B/S/N
45
D
AILY
Base - May 2004
8140.43R.43XX
8140.43R.44XX
ID/TCA
8140.43B.43XX
8140.43B.44XX
ID/TCA
8140.43S.41XX
8140.43S.43XX
8140.43S.44XX
ID/TCA
8140.43N.43XX
8140.43N.44XX
ID/TCA
CYLINDER HEADS - VALVE GEAR
mm
Valve outside spring
height:
free height
H
52
H
H 1
under a load of:
H 1
H 2 kg 43.8
± 2.5
H1
38.5
kg 77.4
± 4
H2
28.5
Valve inside spring
height:
free height
H
45.5
H
H 1
under a load of:
H
H 1
H kg 16.4 ± 1
H1
33.5
H
kg 30
± 1.5
H2
23.5
X
Injector protrusion
X
3.7
÷ 4.3
Camshaft bearing housing
normal
∅
33.985
÷ 34.015
∅
∅
∅
oversized
∅
34.185
÷ 34.215
∅ 2
Camshaft bearing journals
normal
∅
33.934
÷ 33.950
∅
∅
1
3
oversized
∅
34.134
÷ 34.150
Between seats and
supporting pins
0.035
÷ 0.081
∅
Tappets housing on
cylinder heads
∅ normal
44.000
÷ 44.025
∅
Tappet
∅ normal
43.950
÷ 43.970
Between tappets and seats
0.030
÷ 0.075
Cap
3.25 to 4.45 mm
with a progression of 0.05
H
Cam lift:
H
H
9.5
H
10.5
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