FANUC Series 16*/160*/160*s-MODEL B FANUC Series 18*/180*/180*s-MODEL B FANUC Series 21*/210*/210*s-MODEL B MAINTENANCE MANUAL B-63525EN/02 ? No part of this manual may be reproduced in any form. ? All specifications and designs are subject to change without notice. The export of this product is subject to the authorization of the government of the country from where the product is exported. In this manual we have tried as much as possible to describe all the various matters. However, we cannot describe all the matters which must not be done, or which cannot be done, because there are so many possibilities. Therefore, matters which are not especially described as possible in this manual should be regarded as ”impossible”. This manual contains the program names or device names of panies, some of which are registered trademarks of respective owners. However, these names are not followed by ? or ? in the main body. s–1 SAFETY PRECAUTIONS This section describes the safety precautions related to the use C units. It is essential that these precautions be observed by users to ensure the safe operation of machines equipped with C unit (all descriptions in this section assume this configuration). CNC maintenance involves various dangers. CNC maintenance must be undertaken only by a qualified technician. Users must also observe the safety precautions related to the machine, as described in the relevant manual supplied by the machine tool builder. Before checking the operation of the machine, take time to e familiar with the manuals provided by the machine tool builder and FANUC. Contents 1. DEFINITION OF WARNING, CAUTION, AND NOTE s–2 . . . . . . . . . . . . . . . . . . . . . . . 2. WARNINGS RELATED TO CHECK OPERATION s–3 . . . . . . . . . . . . . . . . . . . . . . . . . 3. WARNINGS RELATED TO REPLACEMENT s–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. WARNINGS RELATED TO PARAMETERS s–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .