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3.6.4 Final drives
The final drives (figure 3.6.3) are planetary gear reducers with double-rim satellite
gears 21 and floating crown gears 20. The drive (sun) gears 22 and 39 with brake hubs 23
are connected with differential axle shaft gears by means of splines. Each sun gear is
meshed with toothed rims (z=42) of three double satellite gears by means of its toothed
rim (z=15).
The sun gears are not fixed in a radial direction and are self-installed (floating posi-
tion) between crowns (z=42) of two satellite gears.
In the bores of the carrier 10 three satellite shafts 19 are mounted, on which double-
rim satellite gears 21 rotate on rollers 18. The shafts are locked against moving and turn-
ing in the carrier by screwed-on pins 17. To increase wear resistance of end surfaces of
the carrier 10, washers 16 are mounted between the carrier and the double-rim satellites
21.
The carrier is mounted on splines of the axle shaft 15 and is locked against move-
ment by an axle shaft washer 31, which is attached to the axle shaft by means of a bolt 30.
The bolt 30 is locked against turning with a lock washer 32.
The axle shaft is mounted in the tube on two taper rolling bearings 11 and 12, the
play of which is adjusted by means of shims 29.
The three double-rim satellite gears 21 of each final drive engage the crown gear 20
with their smaller rims (z=24). The crown gear in a splined connection “crown gear-hub” is
mounted according to the three small crown gears (z=24) of the double-rim satellite gear.
The crown gear 20 is locked against axial movement by arresting stops 33, which are at-
tached to the hub 36, mounted on pins 9 in the tube groove, by means of bolts 34 with
locking plates 35.
To drain oil remainders from the final drives (after oil has been drained from the
transmission through a drain hole in the underside of the rear axle body) there are holes in
final drive tubes, shut with plugs 37.
The axle shafts have toothed disks 13 mounted, their change of speed affects the
axle shaft speed sensors mounted above on the tubes.
3.6.5 Rear axle reduction part
The reduction part of the rear axle transfers torque to the following units:
- to the drive of the outer pumps of the HHL and transmission hydraulic system
through a drive gear 7 (figure 3.6.3) with a circular tooth;
- to the FDA drive through a gear 1;
Besides, gears of shifting of III and IV ranges of the gearbox by means of a clutch 4
as well as a creeper switching clutch are located in the front section of the rear axle body.
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Summary of Contents for 3522.5
Page 1: ...BELARUS 3522 5 3522 5 0000010 OM OPERATOR S MANUAL 2011 https tractormanualz com ...
Page 9: ...3522 5 0000010 РЭ 10 https tractormanualz com ...
Page 335: ...3522 5 0000010 OM 336 Service bulletins https tractormanualz com ...
Page 337: ...3522 5 0000010 OM 375 Annex B compulsory https tractormanualz com ...
Page 338: ...3522 5 0000010 OM 376 Annex B obligatory https tractormanualz com ...
Page 339: ...3522 5 0000010 OM 377 Annex C obligatory https tractormanualz com ...
Page 340: ...3522 5 0000010 РЭ Annex D obligatory 378 https tractormanualz com ...