Iveco EuroCargo (12 to 26 t). Manual — part 117
Main malfunctioning of front axle:
1 — Steering wheel hardness
2 — Wobble
3 — Noise
NO
1
YES
YES
STEERING WHEEL HARDNESS
YES
YES
YES
Front axle perfectly aligned.
Reset alignment and clamp lock nuts of spring bands.
Regular toe-in.
Make exact toe-in adjustment.
Regular tyre pressure.
Inflate tyres according to prescribed pressure.
Good joint lubrication.
Lubricate joints accurately.
Right adjustment between steering knuckle and axle.
Correctly adjust clearance between steering knuckle
and axle.
Efficient elements involved in steering knuckle rotation
on the pin.
Check and replace worn elements.
NO
NO
NO
NO
NO
E
URO
C
ARGO
T
ECTOR
12-26 t
12
FRONT AXLE 5845
Base - February 2003
2
YES
YES
YES
YES
YES
YES
WOBBLE
Regular wheel incidence.
Check axle assembly, fix or replace distorted elements.
Front axle perfectly aligned.
Reset alignment and clamp spring band nuts on the
axle.
Regular toe-in.
Make correct toe-in.
Efficient steering heads of track rods.
Replace defective elements.
Regular clearance of wheel hub bearings.
Adjust end play after making appropriate replace-
ments.
Centred wheels:
- centred, regular rim
- correct assembly of tyre on rim.
Replace defective rim.
Deflate and centre tyre on rim.
Balanced wheels.
Make wheel balancing.
NO
NO
NO
NO
NO
NO
NO
E
URO
C
ARGO
T
ECTOR
12-26 t
FRONT AXLE 5845
13
Base - February 2003
3
YES
YES
NOISE
Good lubrication of wheel hub bearings.
Top up oil in wheel hubs.
Efficient wheel hub bearings.
Replace worn bearings and adjust end play.
Regular coupling between steering knuckle pin and
roller bearings.
Check and replace worn elements.
NO
NO
NO
E
URO
C
ARGO
T
ECTOR
12-26 t
14
FRONT AXLE 5845
Base - February 2003
78687
Figure 10
SECTION A-A
SECTION B-B
E
URO
C
ARGO
T
ECTOR
12-26 t
FRONT AXLE 5845
15
Base - February 2003
PART
TORQUE
Nm
(kgm)
1
Flat head cap screw to clamp upper cover
16
± 2
(1.6
± 0.2)
2
Self-braking hexagonal head cap screw to clamp cross lever on steering knuckle
515.5
± 24.5
(52.5
± 2.5)
3
Self-braking hexagonal head cap screw to clamp longitudinal lever on steering knuckle
515.5
± 24.5
(52.5
± 2.5)
4
Nut to clamp stop block for cross tie rod
80
± 10
(8.1
± 1)
5
Castellated nut for steering knuckle pin
201
± 20
(20.5
± 2)
6
Flanged hexagonal head cap screw to clamp lower thrust block cover on steering knuckle
336
± 17
(34.2
± 1.7)
7
Wheel lock nut
490
± 50
(49.9
± 5)
8
Conical threaded cap for wheel hub cover
57.5
± 2.5
(5.9
± 0.25)
9
Wheel hub cover
106
± 11
(10.8
± 1.1)
10
Socket head cap screw to clamp adjusting stop block on wheel bearings
27.5
± 2.5
(2.8
± 0.25)
11
Metal ring to clamp wheel bearings
388.5
± 18.5
(39.6
± 1.8)
12
Hexagonal head cap screw to clamp brake disc on wheel hub
40
± 4
(4.1
± 0.4)
13
Self-locking hexagonal head cap screw to clamp brake callipers
188
± 18
(19
± 1.8)
14
Screw to clamp brake callipers support
313
± 16
(32
± 1.6)
15
Screw clamping steering
64.5
± 6.5
(6.5
± 0.7)
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