Belarus 80.1 Operation Manual page 5

80-0000010B OM
3.1.1.1 General information.............................................................................. 89
3.1.1.2 Engine components.............................................................................. 90
3.1.2 Engine air cleaning system....................................................................... 94
3.1.3 External part of engine cooling system........................................................ 95
3.2 Clutch...................................................................................................... 96
3.2.1 Clutch coupling....................................................................................... 96
3.2.2 Peculiarities of clutch coupling dismounting, mounting and adjustment................. 97
3.2.2.1 General information................................................................................ 97
3.2.2.2 Dismounting of clutch coupling ............................................................... 98
3.2.2.3 Mounting of clutch coupling..................................................................... 98
3.2.2.4 Adjustment of clutch coupling release levers................................................. 98
3.2.3 Clutch control......................................................................................... 99
3.2.3.1 General information.............................................................................. 99
3.2.3.2 Adjustment of clutch coupling pedal free travel............................................ 99
3.2.4 Clutch casing ......................................................................................... 100
3.3 Gearbox................................................................................................... 104
3.3.1 General information................................................................................. 104
3.3.2 Gearbox with gears and ranges shifting lever located at the right hand of the op-
erator........................................................................................................... 104
3.3.2.1Gearbox mechanical gear unit.................................................................. 104
3.3.2.2 Gearbox control ........................................................................................109
3.3.2.3 Gearbox operation................................................................................ 110
3.3.3 Distinctive features of design and operation of mechanical gearbox with gears
and ranges shifting lever located in the center...................................................... 112
3.3.4 Reverse-reduction gear............................................................................ 114
3.3.4.1 General information.............................................................................. 114
3.3.4.2 Composition of reverse-reduction gear .................................................... 114
3.3.4.3 Mechanical gear unit............................................................................. 115
3.3.4.4 Reverse-reduction gear control............................................................... 115
3.3.4.5 Reverse-reduction gear operation............................................................ 115
3.4 Rear axle..................................................................................................116
3.4.1 General information................................................................................. 116
3.4.2 Main gear............................................................................................. 116
3.4.3 Differential............................................................................................. 117
3.4.4 Final drives........................................................................................... 117
3.4.5 Rear axle differential lock......................................................................... 118
3.4.5.1 Differential lock coupling........................................................................ 118
3.4.5.2 Rear axle differential lock control with the help of the pedal................................ 119
3.4.5.3 Cable control of rear axle differential lock....................................................... 120
3.4.5.4 Rear axle differential lock cable control adjustment ..................................... 121
3.5 Rear power take-off shaft ............................................................................ 122
3.5.1 General information................................................................................. 122
3.5.2 Adjustment of play in power take-off shaft strap brakes.................................. 122
3.5.3 External adjustment of brake straps............................................................ 124
3.5.4 Rear PTO control.................................................................................... 124
3.5.5 Rear PTO control on tractors with canopy-frame or canopy base on the basis of
small cabin.................................................................................................... 125
3.6 Side semi-continuous power take-off shaft...................................................... 126
3.7 Brakes.................................................................................................... 127
3.7.1 Service brakes and service brakes control................................................... 127
3.7.2 Check/adjustment of service brakes control.................................................. 128
3.7.3 Parking brake..........................................................................................129
3.7.4 Adjustment of parking brake control ............................................................. 130
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