FIELD: performing working operations, namely submerged operations. SUBSTANCE: apparatus includes self-propelled chassis supporting hydraulic system with two pump units and hydraulic motors for movement and for working equipment. Hydraulic system is provided with two hydraulic distributors. Each hydraulic distributor includes pressure valve unit, OR-gate hydraulically coupled with said pressure valve units. OR-gate is hydraulically connected with additional three-way hydraulic distributor that is hydraulically connected with unit for electrohydraulic control and at least with one hydraulic control unit. Electrohydraulic control unit is electrically connected with remote control board. EFFECT: enhanced operational reliability. 2 dwg
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Authors
Dates
2003-05-27—Published
2001-07-24—Filed