Installing EZ-TC adaptor fitting opens test cock 3.

安装EZ-TC适配器连接件，开启测试旋塞3号。

Installing EZ - TC adaptor fitting opens test cock 3.

安装EZ-TC适配器连接件,开启测试旋塞3号.

Be sure to close test cock before pressurizing valve.

在重新对阀门加压之前,请确认关闭测试旋塞阀.

Close test cock No.4. Disconnect bypass hose ( yellow ) at test cock No.4.

关闭测试旋塞4号. 断开测试旋塞4号上的旁路软管 ( 黄 ).

Connect the high side hose to test cock No.1, low side hose to test cock No.4.

将高端软管连接到测试旋塞1号上, 将低端软管连接到测试旋塞4号上.

The test cock is on the inlet side of the shutoff valve.

测试旋塞是在关闭阀的进口端上。

Connect bypass hose between vent needle valve and loosely connect to test cock No. 1.

在排气针形阀上连接旁路软管,并将其松散连接到测试旋塞1号上.

Alternately the test cock may be opened to break any suction caused by lifting internal assembly.

测试旋塞阀可能要交替开启,以阻断由于取出阀内件总成导致的任何吸力.