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
96
f) install on half-axle splines carrier 3 as an assembly, washer 12 and torque 10 to 200...220 N m
(20...22 kgf/l) without spacers 11, while turning half-axle for rollers of bearings to take proper
position;
g) release bolt 10 and tighten it again by hand;
h) through opening in washer 12 measure clearance between end face of half-axle 7 and washer
12;
i) remove bolt 10, put stack of spacers 11 with thickness equal to clearance plus 0.1 mm and
torque bolt 10 to 500...550 N m (50...55 kgf/l);
j) check moment of half-axle turning through (0.3...0.5 kgf/l), if necessary, correct it by changing
number of spacers 11;
k) before checking the moment the half-axle should be set by applying effort, or hammered down
to washer 12 by light knocks via rim made of soft metal; hammering down half-axle via head of bolt
10 is unacceptable;
l) secure bolt 10 with locking plate 13 (but first grease plane of plate that abuts washer 12 with
LITOL-24) by putting plate 13 on head of bolt in such a way that whiskers of plate were inserted in
grooves of carrier 3 (if necessary keep turning bolt to align the whisker and groove);
m) put crown gear 1 on hub teeth 2;
n) install sun gear 14 as an assembly with shaft-torsion 15 inside planetary mechanism; while
turning shaft-torsion check how easily the mechanism is rotating;
o) mount cover 6 as an assembly with sealing ring, having first filled with grease LITOL-24.
1 – crown gear; 2 – crown gear hub; 3 – carrier; 4, 5 – bearings; 6 – cover; 7 – half-axle; 8 –
sleeve; 9 – ring; 10 – bolt; 11 – adjustment shims; 12 – washer; 13 – locking plate; 14 – sun gear;
15 – shaft-torsion.
Figure 4.115