Maintenance and maintenance
1. Should be how to deal with the minor scratch products surface coating
Products in the process of handling pay attention to the outer surface protection products, such as there are wounds can use first 400 # water sand about polishing scratches, flat, dry after use the spray paint with white color, and then use polishing paste (or toothpaste) polishing, if cut area is larger, can't dispose please contact big couni connect universe star sales office.
A proposal 2.
1. The sealing ring damaged, replace the new sealing ring
2. To check the seal ring installation direction
