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1 Part 1 - Hub reduction with 3 - 4 planets
Wheel end with unitized bearing
Description
Hub reduction 3 planets - fig. 1.5a
Hub reduction 4 planets - fig. 1.5b
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 Meritor Web site at www.meritor.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
Type
Designation
Ratio (3.46:1)
Ratio (3.33:1)
Tightening torques
Hub nut
Hub nut locking screw version
Hub cover screws
Hub casing screws
Oil plugs (level and draining)
Lubricants
Oil type
2.5 litres for each-hub
cylindrical planetary gear
3 or 4 Planets (19 teeth)
1+(64/26)=3.46
1+(63/27)=3.33
Nm
1200 ± 120
45±5
20 ± 5
40 ± 10
80 ± 20
Fig. 1.5a
4
Fig. 1.5b
2
3
2
3
Meritor Wheel end assembly
11
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