Regarding the content of the "three-level guarantee system" for external machines.

1. Routine maintenance Before and after the maintenance shift, the operator carefully inspects the external line machine equipment, wipes various parts and fills with lubricating oil, so that the external line machine equipment is always consistent, clean, smooth and safe. And make a careful record of inspections and shifts. If there is a problem with the equipment of the line machine in the class, report the problem in time, participate in the removal of the problem, record the time and reason of the problem, and confirm the maintenance effect.

2. First-level maintenance: mainly operators, and maintenance workers to guide the disassembly and inspection of external machine equipment according to the plan, and clean the regular parts; dredging oil lines and pipelines, changing or cleaning oil lines, linoleum, and oil filters ; Adjust the matching clearance of each part of the external machine equipment, and tighten each part of the equipment.

3. Second-level maintenance: Mainly maintenance, included in the equipment maintenance plan, local breakdown inspection and repair of external machine equipment; replacement or repair of worn parts, cleaning and oil change; inspection and repair of electrical parts; partial restoration of accuracy to meet processing parts Low request.