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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e) before mounting cardan shaft grease external surface of sliding yoke (1) (figure 5.17) with oil
that is filled in transmission body;
Figure 5.17
f) torque nuts (2) for fastening flange (3) of cardanshaft to 35...45 N·m. (3.5…4.5 kgf m);
g) to install cover (2) on transmission (2) (figure 5.18) as an assembly, unscrew plug (3) and align
bushing (1) with cover opening using rod of 5...6 mm;
Figure 5.18
h) when assembling cardan shaft cross-pieces and before pressing-in needle bearings (1), fill
them in with consistent grease No 158 (figure 5.19);
Figure 5.19
j) cardan shaft as an assembly must be balanced on the dynamic balancing test bench.
Unbalance of 55 g cm is allowed.