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Modern trends in agriculture involve the use of the latest reliable equipment. The specified requirements are met by samples of equipment manufactured by well-known global and domestic machine-building plants. A part of the agricultural machinery market of Ukraine is occupied by means for preparing and distributing fodder. The effectiveness of the use of agricultural machinery depends on the existing regulatory and technical documentation for its operation and measures to ensure reliability. The purpose of the research is to increase the efficiency of the operation of agricultural machinery due to the formation and implementation of the Program for ensuring its reliability. The stages of the Program for ensuring the reliability of means for preparing and distributing fodder at the stage of operation and maintenance are presented. The main components of the implementation stages of the Reliability Assurance Program have been established. The need to study the operational reliability of machines as complex technical systems using quantitative calculation methods is confirmed. Recommendations for increasing the reliability of means for preparing and distributing fodder are defined: training of personnel engaged in their installation and operation, maintenance and repair; organization of the reliability information collection system; maintenance and repair system provision; research into the causes of failures of repaired objects; functioning of the automated control of the facility's technical condition.

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The efficiency of use and increase the reliability of agricultural machinery depends on the regulatory and technical documentation governing the requirements for its technical condition and operation. The analysis of the existing normative-technical and guiding documents on ensuring the reliability of means for preparation and distribution of fodder is given. To effectively carry out maintenance and repair of means for the preparation and distribution of feed should know: the criteria for disability; maximum and permissible parameters of technical condition; indicators of the transition of equipment from working to inoperable condition. The article presents the monitoring of instructions for maintenance and operation of machines, guide materials for use from the standpoint of their informativeness on the implementation of reliability requirements. Monitoring of technical condition was carried out for foreign samples of means for preparation and distribution of feed with horizontal mixing and grinding mechanisms. The mechanisms are analyzed from the standpoint of the availability of information about the features of the structure, the characteristic faults and failures, the main ways to restore efficiency. Ensuring reliability includes several activities throughout the life cycle. The main provisions for assessing the technical condition and improving the reliability of machines when using guide materials. The provisions include: information on the reliability of machines, mechanisms, working bodies; periodicity of maintenance and repair of machines, restoration of working bodies; information on the complexity of maintenance and repair of machines, restoration of working bodies; schemes of assembly and disassembly of mechanisms; information on typical failures and the sequence of their elimination; information on the limit state criteria; technologies for the restoration of working bodies; information on installation requirements. The current normative documents of the system of general technical requirements for the means for the preparation and distribution of feed do not fully meet the organizational and methodological aspects of ensuring their reliability.