3.13 Undercarriage and tractor wheels

3.13 Undercarriage and tractor wheels

The tractors BELARUS-1822.3/1822 .3/2022.3/2022 .3 are equipped with front and rear wheels with low-pressure pneumatic tires: - 580/70R42 – rear tires (doubled – basic configuration for 2022.3/2022 .3, single –basic configuration for 1822.3/1822 .3); - 420/70R42 – front tires – basic configuration; The following tires can be installed against order: - 480/65R24 – front tires, installed only together with rear tires 580/70R42; - 11.2R42 – rear tires, used only in a doubled set completed with front tires 11.2R24; - 11.2R24 – front tires, installed only in a set completed with rear tires 11.2R42. Parameters of tires used with tractors BELARUS-1822.3/1822 .3/2022.3/2022 .3are shown in table 3.2.

Table 3.2 – Tire parameters

Tire size 580/70R42 11.2R42 420/70R24 480/65R24 11.2R24 Sectional width, mm Rolling radius, mm 1) 577 908

284 740

420 —

475 284 1) In present section rolling radiuses are given only for rear tires, which are necessary for programming speed of integrated indicator as it is specified in subsection 3.21.3 "Programming order of the integrated indicator".

The front wheels of the tractor are mounted on flanges of FDA wheel reduction

units.

Rear wheels of the tractor are mounted on hubs, which consist of split tapered inserts 3 and 4 (figure 3.13.1) and a hub body 2. The inserts are tightened in the hub body with eight bolts 1 (M20) with a torque of 550 to 600 N·m and thus they clench the axle shaft.

1 – tie bolts; 2 – hub body; 3 – upper insert; 4 – lower insert; 5 – dismantling holes. Figure 3.13.1 – Rear wheel hub Tire operating rules, selection of best internal pressure in tires depending on working conditions and tractor axes loading and also methods of track adjustment and of wheel doubling are described in subsection 4.2 "Tractor use".