IDLE ADJUSTMENTThe cutter blade or the nylon cutting head should not run when the control lever is fully released.If necessary, adjust the idle rpm using the idle adjusting screw.CAUTION: The cutting tools mentioned below must only be resharpened by anauthorized facility. Manual resharpening will result in imbalances of thecutting tool causing vibrations and damage to the equipment.cutter blade–An expert resharpening and balancing service is provided by Authorized ServiceAgents.NOTE: To increase the service life of the cutter blade (star blade, eddy blade, sawblade) it may be turned over once, until both cutting edges have becomeblunt.Checking the Idling speedIdle speed should be set to 2,600 min– -1 .If necessary correct it by means of the idle screw (the blade or the nylon cuttinghead must not turn when the engine is at idle).Screwing in the screw (1) will cause an increase in the engine speed, whereasbacking off the screw will reduce the engine speed.RESHARPENING THE CUTTING TOOL(1)(3)StoppingFor RBC411•Release the control lever (3) fully, and when the engine speed has lowered, push–the I-O switch (1) to “O” position the engine will now stop.RBC411For RBC411U•1) Release the throttle lever (2) fully, and when the engine rpm has lowered, set theI-O switch (1) to STOP the engine will now stop.2) Be aware that the cutting head may not stop immediately and allow it to slowdown fully.Starting the warm engineAs described above, except without moving the choke lever (choke lever remains in the down position).–(2)(1)(1)(2)RBC411U15