Disassembly-assembly manual for tractor BELARUS-1221.2/1221
В
.2/1221.3/1221.4
196
6.2
Dismounting
rear
wheel
and
hub
а
) put tractor on even ground, having placed stops for front and rear wheels;
b) jack up corresponding sleeve of the half-axle;
с
) unscrew eight nuts 6;
d) dismount rear wheel.
6.2.1
Disassembly-assembly of rear wheel hub
а
) clean half-axle from mud;
b) unscrew tightening bolts 4 (Figure 6.1) of inserts and screw them inside disassembly threaded
openings. If pushing of inserts using disassembly bolts is hampered, pour kerosene or other
penetrating fluid in inserts disconnection places, wait for some time and then screw disassembly
bolts while knocking at hub body until inserts are extended.
с
) dismount hub as an assembly from the half-axle;
d) extract inserts out of hub body.
Make assembly in reverse sequence;
a
) install inserts inside hub body;
b) put on bolts 4 washers 5, then screw tightening bolts 4 of inserts inside hub body by several
turns;
с
) install hub as an assembly on tractor half-axle;
d) torque bolts 4 to from 360 to 450 N m in several tries until all bolts are torques to required
moment, keeping clearance «
Д
» from 5 to 10 mm.
ATTENTION!
After tightening bolts check that end faces of inserts didn’t extend one against
another by more than 1…2 mm.
1 – insert, 2 – hub body, 3 – insert, 4 – tightening bolt, 5 – washer, 6 – nut.
Figure 6.1
– Hub as an assembly
Summary of Contents for Belarus 1221.2
Page 87: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 86 Figure 4 98 ...
Page 125: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 124 ...
Page 137: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 136 Figure 4 166 ...
Page 138: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 137 Figure 4 167 ...
Page 203: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 202 Figure 7 5 а ...
