Minsk Tractor Works Belarus 1221.2, Руководство по разборке и сборке

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Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
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с ) bearings 2, 4 ( figure 5.51 ) must be adjusted without clearance, make adjustment by torquing
nut (2) to 180…200 N•m. with its subsequent unscrewing by angle 15…20

; during tightening rotate
body of wheel reduction gear so that rollers of bearings were correctly positioned in shells. After
adjustment lock the nut by deformation of nut gorbel inside the cut of flange shaft.
When adjustment of reduction gear bearings is correct, the moment turning through of reduction
gear 1 by flange must be in the range from 14 to 40 N·m.
1 – adjustment nut; 2 – conical roller bearing; 3 – flange
Figure 5.51
d) when mounting swivel axles of swivel knuckle, press external shells (1) of upper and lower
bearings in borings of sleeve (2), using suitable brass or copper plate and hammer, (Figure 5.52);
1 – external shell of conical roller bearing; 2 – half-axle sleeve
Figure 5.52