- Check the geometric dimensions and tolerances according to design drawings;
- Check the process of cleaning, antifouling paint, primer and paint structural steel sections;
- Testing of welds steel structures according to Vietnam standard TCVN solder - 4244: 2005;
- Check heat of the electric motor;
- Check noise, oil tightness, heat generation of the moving gear;
- Check the joints diet drives external gear pairs;
- Check smooth recording capability of the wheel bearings, wheels;
- Check the tightening force of the bolt link.
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