1. After every treatment, please only use neutral solution to clear the dust, stains on leather, metal part. Disinfecting solution like alcohol, acid or
alkaline solution are forbidden.
This is to prevent the lifetime of leather from being shorten
2. Please lubricate the moving parts regularly (once a year).
8 TROUBLESHOOTING
Abnormal Sound
If problem is still not solved after above operation, please contact maintenance center or supplier to solve it.