1 Specifications for primary maintenance of butt welding machines
(1) Check indicating device
(2) Oiling is complete according to the lubrication points, and the reliable oil passage is smooth
2 Strictly abide by the operating procedures
(1) Wipe the exterior of the device
(2) Clean up the environment around the equipment clean and tidy
Butt welding machine secondary maintenance specification
Completion of the first-level maintenance content meets the first-level maintenance regulations
1 host
(1) Check the welding transformer
(2) Check that the contacts are not overheated, there is no noise, the insulation is good and the contact is good
2 cooling system
(1 ) Check the pipeline
(2) Check the valve
(3) Check that the water pressure relay is unblocked, that it can be opened and closed flexibly without leakage, and that it works normally without leakage
3 pneumatic device
(1 ) Check the pipeline
(2) Check the valve
(3) Check that the air pressure gauge is unblocked, open and close flexibly without leakage, and have a calibration certificate if there is no leakage
4 Electrical control system
(1) Check electrical components
(2 ) Check the contacts
(3 ) Check the fuse
(4) Check that the grounding or zero contact is good, the work is normal, the contact is good, the three-phase capacity is consistent, and the specifications are consistent
Comply with the requirements of the integrity standard issued by the Ministry
5 Machine and Appearance
(1) Check the integrity of the whole machine
(2) Clean the inside of the electrical box
(3 ) Wipe the exterior of the device
(4) The surrounding environment of the cleaning equipment is complete and the clean paint is clean within 0.5m of the original color — 102 —
Three-level maintenance specification for butt welding machine
Completion of the secondary maintenance content complies with the secondary maintenance regulations
1 welding transformer
(1 ) Inspection Coil
(2 ) Inspection core
(3 ) Inspection contacts
2 welding
(1) Overhaul welding and jaws
(2) Overhaul the conductive soft connection copper skin
(3 ) Inspection contacts
3 cooling device
(1) Maintenance pipeline
(2) Inspection valve
(3) Overhaul the water pressure relay
(4) Detect the temperature difference between the inlet and outlet water
4 Electrical control system
(1) Overhaul electrical components
(2) Check that the electrical wiring works normally without overheating or aging
