Iveco Stralis AT/AD. Manual — part 149
46
REAR AXLE MS 13-175
S
TRALIS
AT/AD
Base - January 2003
Rear axle
Load bearing with single reduction
Type
Meritor MS 13-175
Bevel pinion bearings
2 with tapered rollers and 1 with cylindrical rollers
DIFFERENTIAL ASSEMBLY
Bevel gear pair reduction ratio
2.80 (15/42) - 2.93 (14/41) - 3.07 (14/43) - 3.21 (14/45) - 3.42
(12/41) - 3.73 (11/41)
Clearance between pinion
and ring gear
mm
0.26 to 0.50
Adjustment of clearance
between pinion and ring gear
With adjustment rings
Bevel pinion position in relation
to ring gear
With adjustment shims
Cap gap
mm
0.15 to 0.33
Cap gap adjustment
With adjustment rings
Rolling torque between planetary
gears and crown wheels
Nm
kgm
68 max.
6.8 max.
Thicknesses of adjustment rings
between bevel pinion mount
and differential case
mm
0.125 - 0.200 - 0.500
Wobble of ring gear supporting
surface on half box
mm
0.13 max.
WHEEL HUBS
Wheel hub bearings
Two Unit Bearing type
Wheel hub bearing end float
adjustment
Not adjustable
Tightening to torque with threaded nut
Axle oil
TUTELA W140/M-DA
Quantity
Litres
(kg)
Dry weight
kg
Maximum capacity GRW
kg
18.5
(16.5)
625
13,000
Figure 2
DIFFERENTIAL CROSS-SECTION
49302
REAR AXLE MS 13-175
47
S
TRALIS
AT/AD
Figure 3
WHEEL HUB CROSS-SECTION
72770
A
=
T.MKEN bearing
B
=
SKF bearing
48
REAR AXLE MS 13-175
S
TRALIS
AT/AD
Base - January 2003
Figure 4
49302
1
2
3
4
5
6
REAR AXLE MS 13-175
49
S
TRALIS
AT/AD
TIGHTENING TORQUES
PART
TORQUE
Nm
kgm
1
Screw fixing differential case to axle housing
1
st
phase torque
2
nd
phase angle
100
± 5
10
± 0.5
80
° to 90°
2
Screw fixing differential half boxes
1
st
phase torque
2
nd
phase angle
100
± 5
10
± 0.5
110
° to 120°
3
Screw fixing bevel ring gear to half box
1
st
phase torque
2
nd
phase angle
100
± 5
10
± 0.5
80
° to 90°
4 Nut locking bevel pinion
1350 to 1670
135 to 167
5
Screw fixing bevel pinion mount
1
st
phase torque
2
nd
phase angle
100
± 5
10
± 0.5
60
° to 70°
6 Nut locking sensor
35 to 45
3.5 to 4.5
Screw fixing caps to differential case
650 to 810
65 to 81
Oil drain plug
47
4.7
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