Daily maintenance operations include: - cleaning the machine - control of the lubrication level of the bearings -checking the operation of the electrical power system, command and signaling -checking the functioning and tightness of the hydraulic and pneumatic circuits - checking the state of wear of the systems in motion - greasing the parts according to the scheme and the greasing chart -checking the operation of security equipment and devices Required knowledge refers to: - knowledge of mechanics, electricity -internal regulation regarding the operation of the machines - the provisions of the machine's technical book -procedures for maintaining the technical condition of the machine - the test maneuvering procedure of the machine -carrying out operations of wheel with buckets and wheel arm