Iveco Stralis AT/AD. Manual — part 140
10
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
2.64 (14/37) - 2.85 (13/37) - 3.08 (12/37)
3.36 (11/37) - 4.11 (9/37) - 4.63 (8/37)
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 TRUCK FE-AXLE
Quantity
Litres
(kg)
18.5
(16.5)
Dry weight
kg
Maximum capacity GRW
kg
-
13000
Figure 2
49302
1
2
3
4
5
6
REAR AXLE MS 13-175
11
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
Figure 3
84401
12
REAR AXLE MS 13-175
S
TRALIS
AT/AD
Base - January 2003
PART
TORQUE
Nm
Kgm
1 Nut fixing wheels
732 to 599
73.2 to 59.9
2 Screw fixing drive shaft flange
235 to 289
23.5 to 28.9
3 Ring nut retaining wheel hub bearing
834 to 1030
83.4 to 103
4 Screw fixing brake disc to wheel hub
268 to 295
26.8 to 29.5
5 Screw fixing brake calliper to mount
554 to 677
55.4 to 67.7
6 Nut for screw fixing brake calliper mount
275 to 304
27.5 to 30.4
: Spread with sealant type IVECO 1905685 (LOCTITE 14780)
A
TIMKEN bearing
B
SKF bearing
REAR AXLE MS 13-175
13
S
TRALIS
AT/AD
TOOLS
TOOL NO.
DESCRIPTION
99305121
Heater
99322205
Rotary stand for unit overhauling
99322215
Stand for axle overhauling
99322225
Unit holder (to be mounted on stand 99322205)
99341003
Single-acting lift
99341009
Pair of brackets
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