Minsk Tractor Works Belarus 1221.2, Disassembly-Assembly Manual

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Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
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turn axle by 180 0 , so that the second good lug coinsided with axis of pusher, sensor of wheel
turning angle.
1 – extension; 2 – bottom left-side axle of pivot
Figure 5.55
7) Adjust preload in conical roller bearings of pivot axles. Tension is considered correct if effort of
knucle turn applied to flange (5), is 60…80 N. If the effort doesn’t fit this range, adjust it by means of
cut adjusting shims (4) by unscrewing bolts (2) and screwing in disassembly bolts (1) in a way to
shift axle upwards and release shims. To increase tension (effort) remove identical number of shims
on both sides and visa versa. Tighten fastening bolts (2) to 180…200 N•m. (Figure 5.56)
1 – disassembly bolt; 2 – bolt; 3 – pivot upper axle; 4 – cut adjusting shims; 5 – flange
Figure 5.56