FIELD: transport engineering; steering systems. SUBSTANCE: hydraulic steering gear has inlet line, control line, operating lines designed for connection with operating hydraulic cylinder, and return line for connection with hydraulic tank. Priority device of steering mechanism is connected with inlet line, supply pumps and additional consumers. Priority device is provided with additional second and also third spools. Owing to mounting of different-effort return springs, operation of spools starting from first spool and further on in definite sequence is provided. EFFECT: enhanced reliability of operation. 2 cl, 2 dwg
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|---|---|---|---|
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|
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