Dosing Pump - Belarus 1822.3 Operator's Manual

1 – hydraulic cylinders; 2 – dosing pump; 3 – feed pump for reverse; 4 – reverse
tap; 5 – feed pump; 6 – filter; 7 – oil tank; 8 – valve;
– right turn.
Figure 3.14.2 – HSC hydraulic circuit diagram for BELARUS-1822 .3/2022 .3 tractors

3.14.2 Dosing pump

The dosing pumps for forward and reverse motion are gerotor-type pumps with
¨open center¨ and with no reaction to steering wheel. The dosing pump includes a tilting
unit I (figure 3.14.3), a valve group II, a return valve 9, two anti-shock valves 7, a safety
valve 6 and two air-inlet valves 8.
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2022.3-0000010 OM
– charging; – drain; L – left turn; R