Belarus 820 - Page 107

80-0000010B OM
107
1 – drive gear of the 4
th
and 5
th
gear; 2 – fork of the 4
th
and 5
th
gear; 3 – fork housing; 4 – fork of the 3
rd
and 6
th
gear; 5 – drive gear of the 3
rd
and 6
th
gear; 6 – secondary
shaft with driven gear of the 1
st
stage of range speed reduction unit; 7 – adjusting shim; 8 – GB control lever; 9 –fork of the speed reduction unit; 10 – filler plug; 11 – roller;
12 – adjusting shims; 13 – engine startup blocking sensor; 14 – limiting plate; 15 – cover of GB control; 16 – cup; 17 – drive gear of the rear axle main drive; 18 – driven
gear of the 2nd stage of the range speed reduction unit; 19 – inner shaft; 20 – seat with bronze bushing; 21 – blade wheel; 22 – cup; 23 – drive gear of the 1
st
stage of the
range speed reduction unit; 24 – drive gear of the 1
st
stage of range speed reduction unit; 25 – intermediate gear; 26 – driven gear of the 3
rd
and 6
th
gears; 27 – driven gear
of the 4
th
and 7
th
gears; 28 – driven gear of the 5
th
and 8
th
gears and reverse movement gears; 29 – GB housing; 30 – seat; 31 – intermediate gear; 32 – intermediate shaft;
33 – cup; 34а and 34б – primary shaft; 35а – driven gear of the gear reduction unit; 35б – driven gear of reverse-reduction gear; 36а and 36б – cup; 37 – bushing; 38 – synchronizer; 39 – roller with fork; 40 – locking ball.
Figure 3.3.1 – Mechanical GB