Iveco Daily. Manual — part 285
42
FRONT MECHANICAL SUSPENSIONS
D
AILY
Base - May 2004
Figure 66
ASSEMBLY DRAWING OF FRONT TORSION BAR SUSPENSION
The hydraulic shock absorbers are the double-acting
telescopic type.
The side tie rods are mounted at the front to the chassis
frame mounting by means of adjustable link pins, and at the
rear to the transverse levers.
The purpose of the stabilizer bar, mounted on the bottom
reaction screw stays, is to maintain the parallelism between
the axis of the wheels and the chassis frame, cancelling any
load unbalance on the wheels mounted on the same axle.
The purpose of the rubber pads fixed on the top mounting
of the shock absorbers is to limit the upward movement of
the suspension.
(Axle 5823 - vehicles 60C - 65C)
Description
The torsion bar suspension is composed of:
- two bottom suspension arms;
- two top suspension arms;
- two longitudinal torsion bars;
- two hydraulic shock absorbers;
- two bottom reaction tie rods;
- two top reaction tie rods;
- a stabilizer bar;
- two rubber pads.
The longitudinal torsion bars are anchored at the front to the
top suspension arms and at the rear to a mounting secured
to the chassis frame.
FRONT MECHANICAL SUSPENSIONS
43
D
AILY
Base - May 2004
TORSION BAR SUSPENSION
44
FRONT MECHANICAL SUSPENSIONS
D
AILY
Base - May 2004
SPECIFICATIONS AND DATA
Torsion bar suspension with independent wheels, stabilizer bar
Models
Torsion bar suspension with independent wheels, stabilizer bar
and hydraulic shock absorbers
60 C - 65 C
Torsion bar diameter mm
33
Top tie rod adjustment distance
378
± 0.8 mm
Top tie rod adjustment distance
220
± 0.5 mm
Bottom tie rod adjustment distance
369
± 0.5 mm
Bottom tie rod adjustment distance
300.4
± 0.5 mm
Lower linkage adjustment (for recently manufactured vehicles)
363.5
± 0.5 mm
Lower linkage adjustment (for recently manufactured vehicles)
299
±
mm
+0.3
0
377
± 0.15 mm
219
± 0.15 mm
Front shock absorbers
Models:
60 C - 65 C
Mannesmann - Sachs
ARVIN
Distance between centre of eyes:
Open
mm
430
3
400
3
Closed
mm
280
3
280
3
Stroke
mm
150
120
Stabilizer bar
60 C - 65 C
Models:
Twin cab
Truck
Chassis Cabs
Cut
Away
Vans
Chassis
Cowls
Semi-Glazed
Stabilizer bar diameter
mm
20
22
Figure 67
62103
FRONT MECHANICAL SUSPENSIONS
45
D
AILY
Base - May 2004
TIGHTENING TORQUES
DESCRIPTION
TORQUE
DESCRIPTION
Nm
kgm
1
Nut, reaction rod mounting upper fastening to
chassis fixing screw
140
14
2
Nut, reaction rod ball joint to mounting
98
÷ 137
10
÷ 14
3
Nut, reaction rod and knckle joint stiffener to chassis fixing screw
41
4.1
4
Nut for screw fixing cross member to reaction rod support
140
14
5
Nut, ball joint to upper tie rod
98
÷ 137
10
÷ 14
6
Nut, upper tie rod to upper arm fastening screw
150
÷ 183
15.3
÷ 18.7
7
Nut, shock absorber upper and lower fastening screw
116
÷ 142
11.8
÷ 14.5
8
Nut, lower bracket fastening screw suspension adjustment unit
151
÷ 184
15.4
÷ 18.8
9
Nut, torsion bar adjusting lever pin
197
÷ 241
20
÷ 24
10 Nut, cross member to chassis side member lower wing fixing screw
80
8
11 Nut for steering box fixing screw
50
÷ 61
5.1
÷ 6.2
12 Nut, lower arms to cross member anchoring screw
206
÷ 252
21.0
÷ 25.7
DESCRIPTION
TORQUE
DESCRIPTION
Nm
kgm
13 Ring nut, ball joint to upper/lower arms
83
÷ 152
8.5
÷ 15.5
14 Nut, ball joint to steering knuckle
157
÷ 177
16
÷ 18
15 Nut, fixing will
284.5
÷ 343.3 28.4 ÷ 34.3
16 Nut fixing steering box rod ball joint to stub axle lever
83
÷ 68
8.4
÷ 6.9
17 Hexagonal-head slotted nut, torsion bar to supension arm
84
÷ 103
8.6
÷10.5
18 Nut, cross member upper fastening to bracket on chassis side member upper wing fixing
screw
52.5
5.2
19 Nut, cross member upper anchoring bracket to chassis side member upper wing fixing screw
20
2
20 Nut, upper and intermediate bracket fastening screw (suspension adjustment unit)
104
10.4
-
Screw for nut fixing front tubular cross member to side members
42
÷ 51
4.2
÷ 5.2
-
Nut, stabilizer bar clamps fixing screw
24.5
2.4
-
Rubber plug nut
68
÷ 83
6.9
÷ 8.5
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