MTZ 1220.1, Operator'S Manual

Page: 69 / 244

MTZ 1220.1/1220.3 Section D. Construction and Operation
D21
Rear Axle
The rear axle (Fig. E-16) consists of the
final drive, differential assembled with a
hydraulically-driven friction clutch used for
locking, hub drives located in the rear axle
housing, and the will transmission assem-
blies located in the half-axle housings.
Fig. D-16. Rear axle:
1, 4, 9, 27 – bearing bodies; 2 – hub-drive gear; 3 – left-hand half-axle housing; 5 – hub-drive gear bushings;
6 – torsion bar; 7 – differential pinion; 8 – PTO; 10 – left-hand hub-drive pinion shaft; 11 – differential lock
clutch; 12 – differential lock housing; 13 – hub-drive pinion; 14 – half-axle gear bearing washer; 15 – half-
axle gear; 16 – differential cover; 17 – differential pinion; 18 – differential spider; 19 – spherical washer; 20 –
final drive pinion; 21 – final drive gear; 22 – differential case; 23 – bearing; 24 – thrust ring; 25 – hub-drive
pinion; 26 – right-hand pinion shaft; 28 – service brake; 29 – service brake housing; 30 – parking brake; 31 –
parking brake housing; 32 – bolt; 33 – hub-drive gear; 34, 44 – adjusting shims; 35 – crown gear; 36 – crown
gear hub; 37 – cage; 38 – sun gear; 39, 40 – bearings; 41 – half-axle; 42 – right-hand half-axle; 43 – bolt; 45
– thrust washer; 46 – arresting plate; 47 – washer; 48 – rollers; 49 – differential pinion axle.