NOTE : The assembly will fail both the first and second check valve tests above, if shutoff No. 2 leaks excessively. To test for a leaky No. 2 shutoff, use the following procedure.

• 注意：如果关闭阀2号泄漏过于严重，则这个总成可能无法完成上述第一和第二止回阀检测。要检验泄漏的2号关闭阀，需要采用下列程序。