Note: The assembly will fail both the first and second check valve tests above, if shutoff #2 leaks excessively. To test for a leaky #2 shutoff, use the following procedure.

• 注意：如果关闭阀2号泄漏过于严重，则上述针对第一和第二止回阀的测试就会失效。要检测泄漏的2号关闭阀，请采用下列程序。