Usually after a major overhaul, after overhaul, minor overhaul, medium overhaul in turn, that is:
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Contents of overhaul items
Periodic maintenance
The contents of regular maintenance are as follows
(1) Clean and lubricate exposed sliding surfaces
(2) Replacement of parts that cannot be used until the next overhaul period
(3) Repair or replace fastening parts that can be contacted without disassembly, and repair fastening fittings when necessary.
(4) Repairing scratches, scratches and abrasions on the working face of accessible parts;
(5) Check and adjust the clearance between fasteners and parts and the relative position of parts and parts.
(6) Inspecting, repairing and lubricating the hydraulic system. If the repairing period is the same as the oil tank changing period, the oil tank should be cleaned and the oil should be replaced.
(7) Check and adjust the rocker and positioning and braking devices to ensure accuracy and sensitivity.
(8) Inspection and repair of safety devices
(9) To inspect and record the defects to be repaired in the next overhaul, to prepare the overhaul plan, and to prepare spare parts, components, materials and funds.