8 Overload safety .......................................................................................... 43
8.1 Shear bolt ............................................................................................................................... 43
8.2 Fully automatic stone release ................................................................................................ 43
8.2.1 Hydraulic stone release with central pressure setting ........................................................... 45
8.2.2 Hydraulic stone release with decentralised pressure setting ................................................. 46
9 Use .............................................................................................................. 47
9.1 Rotating the plough ................................................................................................................ 47
10 Cleaning, maintenance and repair............................................................ 48
10.1 Lubrication schedule .............................................................................................................. 50
10.2 Cleaning ................................................................................................................................. 52
10.3 Maintenance schedule – overview ......................................................................................... 53
10.4 Depressurise the hydraulic system ........................................................................................ 54
10.4.1 Setting the oil pressure on the hydraulic accumulator ........................................................... 55
10.5 Checking the condition of the shares and wear parts ............................................................ 56
10.6 Checking the shear bolts ....................................................................................................... 56
10.7 Checking the support wheel................................................................................................... 57
10.7.1 Changing the support wheel .................................................................................................. 57
10.7.2 Check bearing clearance on wheel hubs ............................................................................... 58
10.8 Storage / overwintering .......................................................................................................... 58
10.9 Hydraulic system .................................................................................................................... 59
10.9.1 Labelling of hydraulic hose lines ............................................................................................ 60
10.9.2 Maintenance intervals ............................................................................................................ 61
10.9.3 Inspection criteria for hydraulic hose lines ............................................................................. 61
10.9.4 Installation and removal of hydraulic hose lines .................................................................... 62
10.9.5 Installation of hose valve chests with O-ring and union nut ................................................... 62
10.10 Bolt tightening torques ........................................................................................................... 63
11 Malfunctions and their correction ............................................................ 64
12 Hydraulic diagram...................................................................................... 65
Hektor BAG0186.1 07.19
7
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