BELARUS-1021/1021.3
Operating manual
3
5.
ADJUSTMENTS…………………………………………………………………….……
56
5.1 Setting front wheel track…………………………………...……………………………… 56
5.2 Checking and adjusting toe-in……………….…………………………………………… 58
5.3 Setting rear wheel track…………………………………...……………………………… 59
5.4 Setting track for paired rear wheels……………………………………………………… 59
5.5 PTO adjustments…………………………………………………………………………… 60
5.5.1Checking wear of PTO brake band linings................................………………………… 60
5.5.2 Adjusting clearance in PTO belt brakes............................................…………………… 60
5.5.3External readjustment of brake bands................................................…………………… 61
5.6 FDA adjustments………………………………………………………………………… 62
5.6.1 Checking and adjusting preload in drive pinion tapered bearings. Checking and
adjusting preload in differential tapered bearings.......................……………………………… 62
5.6.2. Checking and adjusting side clearance in main set…………………………...………… 63
5.6.3 Mesh (contact pattern)………………………………………………..………………… 63
5.6.4Checking and adjusting axial preload in pivot tapered bearings.......................………… 64
5.6.5 Checking and adjusting axial play in drive pinion tapered bearings of gear set………… 64
5.6.6 Checking axial play and adjusting wheel flange tapered bearings......……………………… 65
5.6.7. Adjusting FDA reducer turn angle………………………………………….…………… 65
5.6.8. Adjusting control linkage of FDA drive transfer case...............………………………… 66
5.7 Checking and adjusting brake valve of pneumatic system………………………………… 67
5.8 Checking and adjusting pneumatic system pressure regulator……………………….…… 69
5.9 Clutch adjustments…………………………………………………………..…………… 70
5.9.1. General information……………………………………...……………………………… 70
5.9.2 Mounting, removing and adjusting clutch release levers.........………………………… 71
5.10 Tachometer/speedometer programming………………………………………………… 72
5.10.1 Tachometer/speedometer control panel………………………………………………… 72
5.10.2 Procedure of programming electric tachometer/speedometer AR70.3813………...…… 72
5.10.3Procedure of programming integrated display KD8083…………….………………… 74
5.10.4 Installing and adjusting speed sensors………………………………………..………… 76
6. UNITIZING
…………………………………………………...………………………… 77
6.1 Intended use of tractor…………………………………………………...……………… 77
6.2 Types and classification of machine-tractor units on the basis of BELARUS-1021/1021.3
tractors........................................……………………………………………………………… 78
6.3 Recommendations on selection of agricultural machines forunitizing........……………… 81
6.4 Determining and evaluating possibilities of unitizing BELARUS-1021/1021.3 tractors with
agricultural machines.................................................................……………………………………… 83
6.5 Adjusting wheel track……………………………………………………………….…… 85
6.5.1 Adjusting 360/70R24 front wheel track……………………………………..………… 85
6.5.2Adjusting rear wheel track…………………………………...………………………… 86
6.5.3Pairing rear wheels by installing two hubs on each semi-axle........................................... 86
6.5.4 Pairing rear wheels using spacer.......................................……………………………… 87
6.5.5 Tire specifications……………………………………………………………………… 88
6.5.6 Protective zones for tractor wheels for processing of tilled crops...............…………… 88
6.6 Tires...................................................................................................……………………… 89
6.6.1 General information and recommendations on use of tires................................………… 89
6.6.2 Allowed combinations of front and rear tires.......................................………………… 91
6.6.3 Inflating tires………………………………………………………………………..…… 92
