Front Driving Axle Drive - Belarus 3522.5 Operator's Manual

3.12.9 Front Driving Axle Drive

А – oil feed channel, Б – clutch booster;
1 – flange; 2,5 – bearings; 3 – rings; 4,6,8 – rings; 7 – sleeve; 9 – piston; 10 –
spring; 11, 12 – disks; 13 – drum; 14, 15 – couplings; 16 – torsion bar;
The FDA drive is intended for torque transfer from gear box main shaft through pair
of cylindrical gears, torsion shaft, multidisk frictional hydraulically operated clutch and car-
dan shaft to front driving axle. FDA drive is engaged (disengaged) with a help of hydrauli-
cally pressed clutch.
The clutch is mounted on coupling clutch housing bore. Sleeve 7 (figure 3.12.7) is
fastened by bolts to coupling clutch housing from the side of gear box and is sealed by rub-
ber rings.The drum 13 is mounted on bearings 2, 5 in sleeve 7. The piston 9 is sealed with
special iron rings 6 and 8.
.
Figure 3.12.7 – Front driving axle drive
1, 5 – bearings; 2, 3 – gears; 4 – shaft
Figure 3.12.8 – FDA drive and rear axle unit
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