The maintenance of straw returning machine is similar to the maintenance of other equipment. It must be routinely checked for maintenance, primary maintenance (regular), secondary maintenance (regular), repair and maintenance (regular), and long-term maintenance.
The scope of maintenance includes:
a) Gear box and transmission mechanism.
b) chain drive or belt drive.
c) cutter shaft and bearing, bearing seat.
d) Universal joint assembly.
e) Blades or hammers.
f) Protective cover and suspension system.
g) Lubrication system.
h) Other component assemblies and patented component assemblies.
First, daily inspection and maintenance
After the straw returning operation is completed, daily cleaning and inspection must be performed, and parts, grease, and fasteners must be replaced. The details are as follows:
1 Check the tightening of all parts and components, and pay particular attention to the fastening bolts of the tools, the fastening bolts of the cabinet, the connection bolts of the connection parts, etc. If loosening is found, tighten them tightly.
2 Remove mud, dust and oil from all parts of the machine and observe whether there is any oil leakage.
3 Check the universal joint transmission parts for damage, deformation, and note of butter.
4 Check the gearbox oil level. If it is not enough, add gear oil or engine oil. Check for oil leakage and remove as the case may be. If necessary, replace the oil seal and paper pad.
5 Lubricate according to the lubrication table.
6 Check whether the parts are damaged or not, and whether the parts are bent or distorted due to insufficient strength. For example, if there are any abnormal sounds in the three-point suspension parts during idle operation, some adjustments and replacement of damaged parts may be carried out as appropriate.
7 Especially the straw field returning machine for paddy field should be maintained in time after use and oiled and rustproofed.
Second, a level of maintenance (regular) (usually after 100 hours of work)
1 Perform routine inspections of the various items required for maintenance.
2 Thoroughly remove the mud of the implement.
3 Adjust the tightness of the sprocket chain or belt.
4 Adjust the bearing and gear clearance. Including: the axial clearance adjustment of the bearing, the check and adjustment of the bevel gear meshing impression, and the adjustment of the clearance of the bevel gear to the tooth side.
Clearance by removing the housing bearing, increase or decrease the adjustment gasket, adjust the reasonable gap. Normal axial momentum is normally 0.10 to 0.20 mm. When the bearing clearance is increased and the axial turbulence exceeds 0.5 mm, adjustment should be made.
The adjustment of the bevel gear engagement takes place through adjustment of its tooth surface contact. Red Dan oil is usually applied to the working surface of the gear (large bevel gear or small bevel gear). Rotate the gear to see the size and distribution of the impressions on the tooth surface. Normal impression: the normal bevel gear of the bevel pinion, the length of the impression is not less than 40% of the tooth width, the height of the impression is not less than 40% of the tooth height, and is distributed near the normal line of the index cone, when abnormal marks appear When, for example, the contact marks are too small, too large, offset at the top of the tooth, or at the root of the tooth, adjustments must be made. For specific adjustment methods, refer to the adjustment methods in the instruction manual for each machine.
5 Check whether the oil seal fails. If you find that the bearing enters the muddy water, clean it and replace the oil seal.
6 Inspect the gear oil inside the box for impurity impurities and replace the gear oil if necessary.
7 Fill the lubricating oil in the lubrication position.
8 Check if the machete is excessively worn or deformed and correct or replace the new machete if necessary.
Three, two maintenance (regular) (usually 500 hours of work)
1 Carry out the items specified in the primary maintenance.
2 Clean the transmission and gearbox and replace the gear oil to the specified oil level.
3 Lubricate with the lubricating oil in the lubrication position.
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