| 摘要 |
PROBLEM TO BE SOLVED: To make it easy to work on service unit with a simple structure without removing a service cover and a clamping screw. SOLUTION: A service cover 2 is clamped at one point at an opening 1a for service of a case 1 by a clamping screw 3. The cover 2 is guided along two sides of the cover 2 by guides 5, 6 provided at edges of the opening 1a of the case 1. At the time of operating a service unit, the screw 3 is loosened to its midway, and the cover 2 is drawn to the state that it is not guided by the guides 5, 6. Then, the cover 2 is rotated at the screw 3 as a center to open the opening 1a. |
