The following maintenance measures made by ZZHZ are for your reference:
1. Regularly check fastening parts. It refers to bolts, nuts, adjusting bolts and others which will cause an accident if they become flexible;
2. Ensure enough oil, water and air for the sake of normal operation and long service life of motor;
3. Ensure clean oil, water, air and engine body so that wearing, blocking and corrosion of motor will be reduced to a lowest degree, thus lengthen service life of machine;
4. Proper use of motor. It is strictly forbidden to use the motor with overload and low speed for a long time. Ensure all parts are in good lubricating and working condition before operating the motor. Routine check is necessary;
5. A run-in period shall be kept as the basis to lengthen the service life of gantry crane;
6. Immediately check and adjust valve clearance of diesel engine or gasoline engine to ensure a good technical condition of crane motor to save fuel oil and increase service life.