80-0000010B OM
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3.10.2 FDA with planetary spur wheel gear groups
3.10.2.1 General information
FDA with planetary spur wheel gear groups is installed on tractors “BELARUS -820”
(on tractor “BELARUS-82.1” upon request). The front driving axle is designed to transmit
torque to front steering wheels of the tractor. The FDA consists of the main gear, the dif-
ferential and the wheel gear groups. Its main gear is a pair of bevel gears with helical
teeth. The composition of the FDA with two-stage planetary spur wheel gear groups of fi-
nal drives is shown in figure 3.10.4.
1 – wheel gear group of the final drive; 2, 15, 28 – adjusting shims; 3 – pivot axle; 4 -
bolt; 5 - cap; 6 – grease fitting; 7, 10, 16, 27 – rubber ring; 8 - body; 9, 34, 35, 42 – tapered
roller bearing; 11, 32 - gasket; 12 - cage; 13 – half axle shaft; 14 – left tube; 17 - breather;
18 - differential; 19 – bevel driven gear; 20 - nut; 21 – FDA body; 22 – right tube; 23 – lock
plank; 24 – oscillation axis; 25 - plug; 26 – drain plug; 29 – drive gear cage; 30 – adjusting
washers; 31 – wiper ring; 33 – nut; 36 – drive bevel gear; 37 - locknut; 38 - screw; 39 – filler
plug; 40 – drain plug, 41- filler plug; 43 – steering rod lever; 44 – hydraulic cylinder bracket; 45
– hydraulic cylinder bracket.
Figure 3.10.4 – Composition of the FDA with two-stage planetary spur wheel gear
groups of final drives
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