Adjustment and maintenance of Rotary
1, chain adjustment. Chain to adjust the chain slack side should pay attention too loose and the occurrence of the phenomenon of climbing chain too tight, it will increase the wear. During adjustment, note the top rail to the tension force should be within 5-10 kg in order to be able to move loose side chains suitable pressure, if Push pressure fixed, then the chain too tight.
2, Bearing Gap adjustment. The adjustment in two ways: First, change gasket. Fixed location where the inner ring, outer ring of adjustable bearings, bearing lid gasket can change the method to adjust the axial clearance. Adjust the bearing clearance using this method are: 1 meter Rotary first axis 1.75 m ,1.25-side drive shaft rotary machine first and second axis of cone bearing, intermediate cylinder drive rotary cultivator Gear Axle and spindle flower Key Axis of the cone bearing. Check the bearing clearance adjustment, if not Measuring instruments And special tools, can use their experience hand rotation axis, there should be no significant axial movement and rotation flexibility, such as the tight, turning difficult, gaskets should be increased, should be removing as much loose gasket. Second, regulation Nut . All the fixed outer ring, inner ring adjustable bearings, this method can be used to adjust the axial clearance. Adjusted using this method are: 1 meter Rotary second intermediate gear shaft ,1.25-1.75 m side of the intermediate gear box rotary tiller drive shaft taper bearing the third, intermediate gear box rotary gear bevel gear axis (first axis) bevel gear. Adjustment methods (to 1 meter Rotary as an example): first tighten the round end of a large bevel gear nut, lock the thrust washer, then tighten the other end of the round nut, turn the bearing by hand until it can not with rotational inertia again, and then struck with a wooden hammer shaft, the bearing is close to inside and outside the ring, and then review the situation bearing preload, after moving, round lock nut with locking pieces.
3, main components repair scimitar . Blunt edge of the machete should be re-sharpening, distortion correction machetes be padded, and then quenching ( Chuck Some non-quenching), quenching machete hardness should be HRC50-55, such as damaged items should be new ones. knife. Knife Block, mostly loose weld damage, cracking or deformation of hexagonal hole on the seat of local damage to the knife used electrode welding repair, the serious damage should be replaced. But pay attention when welding cutter blade shaft deformation. spindle tube. Pipe cutter shaft fracture of the tube can be put in breaks in a round bar with good welding, welding should be carried out after the artificial aging and plastic alignment, then check both ends of the bearing block, such as too much tolerance, there is no need to replace the one end of spline The shaft should be the original end of spline shaft diameter as the base processing new head, to ensure a balanced and flexible spindle rotation.
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