1. Carefully check and check oil level indication dial, the float must be done at the bottom of the oil pillow, oil level indicator is zero, check the oil level and the movement is flexible construction;
1. During construction, careful inspection and check oil level indicator dial, must do float ingress in the bottom of the oil pillow, the oil level pointer is zero, check the oil level and movement is flexible;
1. Check and verify the oil level indicator panel carefully during construction. When the float ball is at the bottom of the conservator, the oil level indicator is zero, and check whether the oil level and action are flexible;