(1) The reason for the excessive load is that the rotary cultivator is too deep or the soil is sticky and hard. Remedy: Adjust the depth of plough layer or appropriate recultivation to reduce the unit forward speed and spindle speed. (2) Job jumping When the soil is hard or the blades and universal joints are not installed correctly, the rotary cultivator often makes abnormal beats. Remedy: Reduce the forward speed of the unit and the spindle speed, check again and correctly install the blade and universal joint fork. (3) After throwing large blocks of soil, it is mainly due to bending deformation or breakage and loss of blades. Remedy: Correct or replace the blade. (4) Irregular after tilling When the rotary cultivator is not leveled and the position of the pallet is not correct, if the forward speed of the unit is not properly matched with the rotation speed of the cutter shaft, the tillage surface will be uneven. Remedy: Re-level the rotary cultivator, adjust the position of the tractor, and change the tractor forward gear or spindle speed. (5) The noise of the gear box is caused by foreign matter falling into the gear box, or the lateral clearance of the bevel gear is too large, or the bearing is damaged or the gear teeth are broken. Remedy: Remove foreign objects, readjust gaps, repair or replace bearings and gears. (6) Metal percussion sound When the blade fixing screw loosens, the blade or the housing at both ends of the cutter shaft is deformed, the cutter shaft transmission chain is too loose, and the gimbal inclination angle is too large, metal hammering sound is generated when the rotary tiller is operated. . Remedy: Re-tighten the screws, correct the cover or replace the blade, adjust the tightness of the chain, control the height of the rotary cultivator, and reduce the pitch angle of the universal joint. (7) Knife shaft fails to move and the gear is jammed, the bearing is damaged and seized, the bevel gear has no backlash, the cutter shaft is bent and deformed, the cutter shaft is wrapped around the grass, and the mud is blocked. Remedy: Replace gears or bearings, re-adjust gaps, correct cutter shaft, clear wraps, build up mud. (8) Oil leakage in the gear box When the oil seal is damaged, the paper mat is damaged, and the gear box cracks, the gear box leaks. Remedy: Replace the oil seal and paper pad, welding repair box. (9) Parts fly out When the positioning pin comes off, the cross bearing elastic retaining ring comes off, and when the ten-byte breaks, the universal joint or cross bearing flies out. Remedy: Install the positioning pin and elastic retaining ring and replace it with the new ten bytes. (10) Blades bent and broken Blades are bent and broken because the blade slams down on hard ground or when they collide with a hard object, or when the blade is still being turned, or the blade is too hard or cracked. Remedy: Remove hard objects, descend slowly, lift the rotary tiller to stop operation, and replace the qualified blade.
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