Iveco Stralis AT/AD. Manual — part 196
S
TRALIS
AT/AD
74
STEERING REAR ADDED AXLE 57080/D1 (N 8072)
Base - January 2003
- Assembly
95
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking cylinder oil sealing on the vehicle
95
. . . .
CENTRING CYLINDER
95
. . . . . . . . . . . . . . . . . . . .
- Disassembly
96
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Assembly
96
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking cylinder oil sealing on the vehicle
96
. . . .
ADDITIONAL AXLE PNEUMATIC LIFTING DEVICE
REMOVAL AND REFITTING
97
. . . . . . . . . . . . .
- Removal
97
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Refitting
97
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR BLEEDING FROM THE HYDRAULIC
CIRCUIT
98
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Filling up and bleeding the power steering
hydraulic circuit (circuit 1)
99
. . . . . . . . . . . . . . . . .
- Filling up and bleeding the power steering hydraulic
circuit (circuit 2)
99
. . . . . . . . . . . . . . . . . . . . . . . .
72785
Figure 1
The front axle is a steel structure with a tubular cross-section
at the end of which the stub axles are articulated.
The stub axle articulation is made with tapered pins integral
with the axle body and by means of four bearings with rollers
driven in with interference in the holes of the stub axle
overhangs.
The wheel hubs are supported by two tapered roller bearings,
set right, lubricated with oil, mounted on the shank of the stub
axle.
The bearings need no adjustment; their end float is obtained
by tightening the retaining ring nut to torque.
The disc brake is the ”KNORR” type. The brake calliper is
mounted on the axle with an angle of 57
°.
VIEW OF STEERING REAR AXLE 57080/ID
STEERING REAR ADDED AXLE 57080/D1 (N 8072)
75
S
TRALIS
AT/AD
S
TRALIS
AT/AD
76
STEERING REAR ADDED AXLE 57080/D1 (N 8072)
Base - January 2003
Type of axle
Steering liftable
single wheels
STUB AXLE PINS
α
Inclination of kingpin
7
o
∅ 1
2
∅
Diameter of roller bearing
housings on the stub axle:
- upper housing
∅ 1 mm
- lower housing
∅ 2 mm
51.967 to 51.986
59.967 to 59.986
∅ 3
4
∅
Outside diameter of roller
bearings for stub axle:
- upper bearings
∅ 3 mm
- lower bearings
∅ 4 mm
52
60
Stub axle bearings
mm
0.014 to 0.033
∅ 5
6
∅
Inside diameter of roller
bearings for stub axle:
- upper bearings
∅ 5 mm
- lower bearings
∅ 6 mm
43
53
∅ 7
8
∅
Diameter of king pin
- top end
∅ 7 mm
- bottom end
∅ 8 mm
42.984 to 43.000
52.981 to 53.000
Upper bearings/pin
mm
0 to 0.016
Lower bearings/pin
mm
0 to 0.019
X
X 2
1
Play between axle and upper
facing of stub axle
X1 mm
Clearance between axle and
lower facing of stub axle
X2 mm
0.10 to 0.15
0.25
STEERING REAR ADDED AXLE 57080/D1 (N 8072)
77
S
TRALIS
AT/AD
Shims to adjust X1, X2
0.25 mm
S mm
0.25 to 1.75
WHEEL HUBS
Wheel hub bearings
2, taper rollers
Wheel hub bearing end play
mm
max 0.16
Wheel hub play adjustment
by tightening retaining ring nut to torque
Rolling torque
Bearing preloading
daNm
0.50
Oil for wheel
hub bearings
Litre
Tutela TRUCK FE-AXLE
0.33 (0.30 kg)
WHEEL GEOMETRY
Wheel camber
(vehicle with static load)
1
o
Wheel caster
(vehicle with static load)
0
o
Wheel toe-in
(vehicle unladen)
mm
LEFT WHEEL
0
RIGHT WHEEL
- 2
Adjustment tolerance
mm
Check tolerance
mm
± 0.75
± 2
Steering angle:
Inner
α
Outer
β
20
°
13
°
Axle weight
kg
Maximum capacity (GRW)
kg
-
8000
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