Article 1 The maintenance and repair work of construction hoisting machinery must adhere to the principle of "equal maintenance and prevention first", and adhere to the routine maintenance, regular maintenance, expected maintenance and troubleshooting system in accordance with the maintenance regulations for construction lifting machinery.
Tower crane
Article 2 The operators of construction hoisting machinery shall conscientiously do the cross operation of "cleaning, tightening, lubricating, adjusting and anticorrosive" of mechanical equipment.
Article 3 In the maintenance of tower cranes at all levels
Maintenance interval and work division
1. Routine maintenance (daily maintenance)
Carry out maintenance work before and after work. The main content is to check the equipment carefully, focusing on cleaning and lubrication.
Routine maintenance: before, during and after work, once per shift
2. Primary maintenance
On the basis of cleaning and lubrication, adjust and tighten the equipment, add lubricant (oil), and replace a small amount of vulnerable parts.
Primary maintenance: once a month
3. Advanced maintenance
In addition to the content of the primary maintenance, part of the assembly should be disassembled and cleaned, the transmission mechanism and the brake mechanism should be checked, and the parts that do not meet the requirements should be replaced or repaired.
Advanced maintenance: once within a year of work
Article 4 ? In addition to maintenance at all levels, the repair of construction hoisting machinery should also carry out minor repairs of mechanical equipment, fault repairs and Dali as appropriate to reduce the failure rate and ensure the mechanical integrity rate.
(1) Minor repairs or fault repairs. Remove temporary faults and local damages that occur during the operation of mechanical equipment, and ensure the normal operation of the subsequent mechanical equipment.
(2) Repair of zero (parts). For the damaged parts (parts) replaced in the repair and maintenance of mechanical equipment, take the corresponding repair process to restore its performance.
(3) Overhaul. The main parts of the equipment are worn or damaged to meet the overhaul standard, and the whole machine or parts must be overhauled. The overhaul must be sent to a professional maintenance organization for repairs, and the mechanical equipment must be repaired and the factory inspection work must be done carefully, and the technical data must be collected and archived.
