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3. Technical Assistance.
In our Quality Management System,  since several devices are received  without  proper 
identification  and  explanations;  we  are  now  working  with  previous  approval  for 
maintenance devolution. 
Therefore, in case of maintenance please contact: 
Hitachi Kokusai Linear Equipamentos Eletrônicos S/A 
Phone: 55 35 3473-3473 / Fax: 55 35 3473-3474     E-mail: manutencao@linear.com.br 
And inform: Customer, Equipment Part Number, Serial Number and a brief explanation of 
the occurrence. 
With this intel we shall send the ARM number (Authorization for Return of Material), which 
is mandatory to appear in the invoice.