10. After-sales Service 
10-2 
 
 
Recommendation of professional maintenance 
The performance of the set may degrade due to the aging of parts and so on, although the rate 
depends on how the equipment is used. 
Maintenance  by professional service engineer other than daily check by ship’s crew is 
recommended. 
For this professional maintenance, please contact the purchasing dealer.  This is a charged service. 
 
Disposal of the JUE-501/JUE-251 
Follow the rule of the pertinent local government when you abandon the JUE-501/JUE-251 
(ADE). 
For details, contact the dealer, our service office (Refer to the list of offices at the end of the 
volume) or a concerned local government.