| 1. | Install sight tube in test cock 3 在测试旋塞3号上安装观察管。 |
| 2. | Install sight tube in test cock 4 and fill with water as before 在测试旋塞4号安装观察管,并如前所述注水。 |
| 3. | When using ez - tc , close no . 1 and 2 shutoffs and install sight tube using adaptor fitting 在采用ez - tc时,关闭1号和2号关闭阀,采用适配器连接件安装观察管。 |
| 4. | The elliptical secondary should appear round and well centered in the circular opening of the sight tube 椭圆形的副镜应看上去边缘是圆的,在光管开口处呈现环状。 |
| 5. | Holding in vertical position , fill sight tube with water ( no water leakage can be permitted at sight tube joints ) 将其垂直握住,将水注入观察管内(观察管连接处不能有泄漏) 。 |
| 6. | Assemble 3 piece water column sight tube in numerical sequence and attach to top half of body module adaptor 安装3件式水量数字序列观察管,并将其附加在阀体模块适配器的上半部。 |
| 7. | Open test cock 3 . ez - tc on test cock 3 would already be open . the water should maintain its position in the sight tube 开启测试旋塞3号。测试旋塞3号上的ez - tc应该已经开启。水应该保留在观察管内的位置上。 |
| 8. | Open test cock 4 . ez - tc on test cock 4 would already be open . the water should maintain its position in the sight tube 开启测试旋塞4号。在测试旋塞4号上的ez - tc应该处于开启状态。观察管内的水位应该保持。 |
| 9. | When using ez - tc test cocks to perform this test , close no . 1 and 2 shutoffs , install adaptor fitting in test cock 3 and install sight tube in adaptor 当采用ez - tc测试旋塞进行检测时,关闭1号和2号关闭阀,在测试旋塞3号上安装适配器连接件,在适配器内安装观察管。 |