892-0000010B OM
5
3.3.9 Operation of reverse gear unit ........................................................................... 99
3.4 Rear axle ............................................................................................................ 100
3.4.1 General information ......................................................................................... 100
3.4.2 Main drive ........................................................................................................ 100
3.4.3 Differential ....................................................................................................... 101
3.4.4 Final drives ...................................................................................................... 101
3.4.5 Rear axle differential lock (DL) ......................................................................... 102
3.4.5.1 Differential lock clutch ................................................................................... 102
3.4.5.2 Hydraulic control of rear axle differential lock ............................................... 103
3.5 Rear power takeoff shaft ..................................................................................... 105
3.5.1 General information ......................................................................................... 105
3.5.2 Adjustment of clearance in PTO band brakes ................................................. 105
3.5.3 External re-adjustment of brake bands ............................................................ 107
3.5.4 Rear PTO control .............................................................................................. 107
3.6 Side semi-continuous power take-off .................................................................. 108
3.7 Brakes ................................................................................................................ 109
3.7.1 Service brakes and service brake control ........................................................ 109
3.7.2 Adjustment of service brake control ................................................................. 110
3.7.3 Parking brake ................................................................................................... 111
3.7.4 Adjustment of parking brake control ................................................................ 112
3.8 Pneumatic system .............................................................................................. 114
3.8.1 General information ......................................................................................... 114
3.8.2 Single-line pneumatic drive .............................................................................. 114
3.8.2.1 Operation of single-line pneumatic drive. ...................................................... 114
3.8.2.2 Check and adjustment of the drive of the pneumatic system brake valve .... 115
3.8.3 Check and adjustment of pneumatics pressure regulator ................................ 117
3.9 Tractor undercarriage ......................................................................................... 118
3.10 Hydrostatic steering control .............................................................................. 119
3.10.1 General information ....................................................................................... 119
3.10.2 Dosing pump .................................................................................................. 121
3.10.3 Steering hydraulic cylinder ............................................................................ 122
3.10.4 HSC hydraulic system alarm .......................................................................... 123
3.11 Hydraulic lift linkage .......................................................................................... 124
3.12 Rear lift linkage ................................................................................................. 129
3.12.1 General information ....................................................................................... 129
3.12.2 Rules for adjusting RLL components ............................................................. 130
3.12.2.1 Turnbuckles ................................................................................................ 130
3.12.2.1.1 General information ................................................................................. 130
3.12.2.1.2 Telescopic buckles .................................................................................. 130
3.12.2.1.3 External turnbuckles ................................................................................. 132
3.12.2.1.4 Internal buckles ........................................................................................ 133
3.12.2.2 Lifting rod .................................................................................................... 134
3.12.2.3 Upper link.................................................................................................... 135
3.12.2.4 Lower links .................................................................................................. 136
3.12.2.4.1 General information ................................................................................. 136
3.12.2.4.2 Setting the crossbar and the rear ends of the lower links into working
position ..................................................................................................................... 136
3.12.2.4.3 Telescopic buckles and twin crossbar ..................................................... 137
3.12.3 Attaching implements to the tractor ............................................................... 138
3.13 Tow hitches....................................................................................................... 139
3.13.1 General information ....................................................................................... 139
3.13.2 Tow hitch TSU-2 (hydraulic hook) and combined unit TSU-2М-02 (with
hydraulic hook in operation position and pendulum in additional position) ............... 140