Wheel Hub Drive - Belarus 3522.5 Operator's Manual

3.12.3 Wheel hub drive

1 – plug; 2 – bolt; 3 – carrier; 4 –sun gear; 5 – bushing; 6 – planetary gear; 7 —
backup washer; 8 – planetary gear shaft; 9 – sealing ring; 10 – roller; 11 –washer; 12 –
spring washer; 13 – pin; 14 – disk; 15 – wire ring; 16 – pin; 17 – gasket; 18 – hub; 19 –
spring washer; 20 – nut; 21 – bushing; 22 – mud collector; 23 – axle swivel; 24, 25 – seal-
ing; 26 – plug; 27 – bushing; 28 – sealing; 29 – bearing; 30 – back up washer; 31 – shim
washer; 32 – bolt; 33 – bend off plate; 34 – reduction unit casing; 35 – epycyclic gear; 36 –
gasket.
The wheel hub drive is mounted on axle swivel 23 (figure 3.12.3). The sun gear 4 is
drive gear of planetary gear set of wheelhub drive, the following part connected with tractor
wheel is carrier 3 with tree planetary gears 6, and epycyclic gear 35 serve as locked gear,
that take reactionary torque. The sun gear floats between teeth of three planetary gears,
and its splined end shaft is connected with doubled universal joint fork, that have possibil-
ity to move. The bushing 5 and back up washer 30 fix sun gear from axial movement. The
planetary gears run on axles 8 situated in carrier 3 bore. mounted on carriers 3 bore. The
planetary gear bearings - cylindrical rollers 10 are disposed in two rows.
Figure 3.12.3 – Wheel hub drive
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