Iveco Daily. Manual — part 84
Revi - February 2005
314
F1A ENGINE
D
AILY
Base - May 2004
F1AE0481 A
F1AE0481 B
F1AE0481
M
CYLINDER ASSEMBLY AND CRANK MEMBERS
mm
Type of piston
FEDERAL MOGUL
MAHLE MONDIAL
1
X
X1*
2.197
2.200
÷ 2.230
X
1
2
X
Piston ring slots
X2
2.040
÷ 2.060
2.050
÷ 2.070
X
3
2
X
X3
2.520
÷ 2.540
2.540
÷ 2.560
3
X
* measured on
∅ of 85 mm
1
S
Piston rings:
S 1*
2.068
÷ 2.097
1
2
S
S
S 2
1.970
÷ 1.990
3
2
S
S
S 3
2.470
÷ 2.490
* measured on
∅ 85 mm
Piston rings — slots
1
0.103
÷ 0.162
2
0,060
÷ 0.100
3
0.050
÷ 0.090
Piston rings
0.4
X1
2
X
Piston ring end opening in
cylinder liner:
3
2
X
X
X1
0.20
÷ 0.35
3
X
X2
0.60
÷ 0.80
X3
0.25
÷ 0.50
1
∅
Small end bushing seat
Ø 1
34.460
÷ 34.490
∅ 2
Connecting rod bearing seat*
Ø 2
62.833
÷ 62.841
* connecting rod supplied as
spare part
∅4
Small end bushing diameter
∅3
outside
∅ 4
34.560
÷ 34.585
S
inside
∅ 3
31.010
÷ 31.020
S
Big end bearing shells
Big end bearing shells
supplied as spare part
S
-
Small end bushing — seat
(interference)
0.07
÷ 0.125
Piston gudgeon pin — bushing
0.014
÷ 0.030
Big end bearing shells
0.254 - 0.508
Revi - February 2005
F1A ENGINE
315
D
AILY
Type
F1AE0481 A
F1AE0481 B
F1AE0481
M
CYLINDER ASSEMBLY AND CRANK MEMBERS
mm
X
Measurement
X
125
Maximum error
on alignment of
connecting rod axes
=
0.09
1
2
∅
∅
Main journals
∅ 1
No. 1-2-3-4
No. 5
71.182
÷ 71.208
76.182
÷ 76.208
Crankpins
∅ 2
59.015
÷ 59.038
S 1
S 2
Main bearing shells
S1*
2.165
÷ 2.174
S 1
S 2
Big end bearing shells
S2*
1.883
÷ 1.892
* supplied as spare parts
3
∅
Main bearing housings
∅ 3
No. 1-2-3-4
No. 5
75.588
÷ 75.614
80.588
÷ 80.614
Bearing shells -
main journals
0.032
÷ 0.102
Bearing shells —
crankpins
0.035
÷ 0.083
Main bearing shells
0.254
÷ 0.508
Big end bearing shells
0.254
÷ 0.508
1
X
Main journal
for shoulder
X 1
31.020
÷ 31.170
X
2
Main bearing housing
for shoulder
X 2
25.790
÷ 25.840
X 3
Half thrust washers
X 3
30.810
÷ 30.960
Crankshaft shoulder
0.060
÷ 0.260
Revi - February 2005
316
F1A ENGINE
D
AILY
Base - May 2004
F1AE0481 A
F1AE0481
B
F1AE0481
M
CYLINDER HEAD — TIMING SYSTEM
mm
∅ 1
Guide valve seats
on cylinder head
∅1
9.980
÷ 10.000
2
∅
∅ 2
6.023
÷ 6.038
∅ 3
∅ 2
Valve guides
∅ 3
10.028
÷ 10.039
Valve guides and seats on head
(interference)
0.028
÷ 0.059
Valve guides
0.05 - 0.10 - 0.25
∅ 4
Valves:
∅ 4
5.975
÷ 5.990
44
°45’ 7 5’
∅ 4
α
44
°45’ ± 7.5’
∅ 4
5.975
÷ 5.990
44
°45’ ± 7 5’
α
∅
α
44
°45’ ± 7.5’
Valve stem and relevant guide
0.033
÷ 0.063
Seat on head for valve seat:
∅1
31.390
÷ 31.415
∅ 1
∅1
31.390
÷ 31.415
2
∅
Outside diameter of valve
seats; angle of valve seats on
2
∅
seats; angle of valve seats on
cylinder head:
∅ 2
31 495
÷ 31 510
y
∅ 2
α
31.495
÷ 31.510
44.5
° ± 5’
α
α
∅ 2
α
31.495
÷ 31.510
44.5
° ± 5’
X
0.5
÷ 0.8
X Recessing
X
0.5
÷ 0.8
Between valve
0.08 - 0.12
Between valve
seat and head
0.08 - 0.12
Valve seats
-
Revi - February 2005
F1A ENGINE
317
D
AILY
Type
F1AE0481 A
F1AE0481 B
F1AE0481
M
CYLINDER HEAD — TIMING SYSTEM
mm
Valve spring height:
free spring
H
54
H
H 1
under a load of:
H
H 1
H 2 N243 ± 12
H1
45
H 2
N533
± 24
H2
35
X
Injector protrusion
X
2.77
÷ 3.23
∅
Seats for tappets on
cylinder head
normal
∅
12.016
÷ 12.034
∅
Normal diameter tappets
11.988
÷ 12.000
Between tappets and seats
0.016
÷ 0.046
Camshaft pin seats in
cylinder overhead
1
⇒ 7
∅
∅
∅
∅ 1
∅ 2
48.987
÷ 49.013
46 987
÷ 47 013
∅
∅
∅
1
2
3
∅ 2
∅ 3
46.987
÷ 47.013
35.987
÷ 36.013
∅ 2
Camshaft supporting pins:
∅ 1
∅ 2
48.925
÷ 48.950
46 925
÷ 46 950
∅
∅
1
3
∅ 2
∅ 2
∅ 3
46.925
÷ 46.950
35.925
÷ 35.950
Supporting pins and seats
0.037
÷ 0.088
H
Useful cam height
H
H
3.77
H
4.203
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