5. Maintenance and periodical overhauls ................................................................... 103
5.1 Special safety instructions .................................................................................... 103
5.2 General ................................................................................................................. 103
5.3 Replacing the protective curtain ........................................................................... 105
5.4 Criteria for the mandatory replacement of the blade supports and upper reel
blades ................................................................................................................... 107
5.4.1 Criteria for the mandatory replacement of the blade supports ........................ 107
5.4.2 Replacing the tines of the kneating machine ................................................. 108
5.4.3 Criteria for the mandatory replacement of the blades ..................................... 109
5.4.4 Criteria for the mandatory replacement of the upper reel ............................... 109
5.5 Tension of the driving belt of the kneating machine's rotor ................................. 110
5.6 Lubrication ............................................................................................................ 110
6. Wintering ................................................................................................................... 116
7. Restart for a new season ......................................................................................... 116
64