- 40 -1501-GB-REP HINWEISE_397REPAIR INSTRUCTIONS GBK1Repairs to the cutter bar• Markings aligned (K1, K2).up to 2005 model(Marking K1 = Centre point on the hub)from 2006 model(Marking K1 = Larger countersink when drilling)• Only screw on nut (M) when there is sufficient threadlength (L) to prevent any damage.• Secure nut (M) against loosening- with "Loctite 242" or an equivalent product- and centre point (2x)