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1 Introduction
Description
Hub reduction 3 planet - fig. 5a
Hub reduction 4 planet - fig. 5b
In order to ensure reliable and efficient wheel end assembly
operation, maintenance intervals, use of lubricants and correct
procedures specified by the manufacturer should be strictly
observed (refer to Lubrication Maintenance Manual no. 1).
For further information contact the manufacturer's engineering
department or refer to the ArvinMeritor Web site at
www.arvinmeritor.com (technical library - manuals).
WARNING
Only original Meritor spare parts should be used. Use of non-
recommended lubricants will adversely affect performance
and service life. Use of non-original parts could seriously
affect wheel end assembly performance.
Torque chart specifications and data
Hub gear
Designation
Type
Reduction
No. of planetary gears
Tightening torques
Hub nut
Bolts, hub cover
Oil plugs (level and draining) 50 ± 12.5
Bolts, hub casing
Lubricants
Oil type
Rear axle oil: Quality API-GL-5 / MlL-L-2105E
Viscosity:
According to the vehicle manufacturers recommendations
Oil volume:
Hub reduction rear axle:
3 Planet or 4 Planet
cylindrical planetary gear
3.46 : 1
3-4
Nm
Kgm
1,200 ± 120
120 ± 12
20 ± 5
2 ± 0.5
5 ±1.25
40 ± 10
4 ±1
3 litres
Fig. 4
Fig. 5a
Fig. 5b
ArvinMeritor Wheel end assembly
11
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