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Loosen hose at VB, open TC #1 and bleed, retighten hose connection. 松开阀门B上的软管，开启测试旋塞1号并且排气，重新紧固软管连接。
Open TC #4 and loosen hose at vent needle valve connection bleeding air from test kit. 开启测试旋塞4号，松开排气针形阀上的软管，从检测组件上排放空气。
Close valve C. Open valve A, then open valve B 1.2 turn, loosen hose at test cock #4 to remove air. Retighten hose. 关闭阀门C。开启阀门A，然后将阀门B开启1.;2圈，松开测试旋塞4号上的软管排出空气。重新紧固软管。
Close vent needle valve. Open needle valve "A" high side, then open needle valve "B" low side + turn, loosen hose at test cock No. 4 to remove air. Retighten hose. 关闭排气针形阀。开启针形阀“A”高端，然后开启针形阀“B”低端，松开测试旋塞4号上的软管排放空气。重新紧固软管。
Close shutoff #1, then slowly loosen hose at test cock #3 until differential gauge rises to 2psi and retighten hose. 将关闭阀1号关闭，然后慢慢松开测试旋塞3号上的软管直到差压计上升2psi为止，重新紧固软管。
Slowly loosen hose at test cock #2 until differential gauge rises to 2 pre-tighten hose. 慢慢松开测试旋塞2号上的软管直到差压计升到2为止。预先紧固软管。
Close shutoff #1, and then slowly loosen hose at test cock #3 until differential gauge rises to 2psi and retighten hose. 关闭1号关闭阀，然后慢慢松开测试旋塞3号上的软管直到差压计升到2psi为止，重新紧固软管。如果差压计读数没有增加，则记录止回阀为紧。
Close shutoff #1, then slowly loosen hose at test cock #3 until differential gauge rises to 2 psi and retighten hose.If the differential reading does not decrease, record check as tight. 注意：如果关闭阀2号泄漏过于严重，则对总成的第一和第二止回阀的上述检测将会无结果。
Slowly loosen hose connection at TC#3 until differential gauge rises to about 2 PSI, then tighten. 慢慢松开连接在测试旋塞3号上的软管直到压差表上升到大约2PSI，然后紧固。
Tighten bypass hose at test cock No.1, open test cock No.1. 紧固测试旋塞1号上的旁路软管，开启测试旋塞1号。
Tighten bypass hose at test cock No. 1, open test cock No. 1. 紧固测试旋塞1号上的旁路软管，开启测试旋塞1号。
Install bypass hose between VA and VB. Open VB and bleed air by loosening hose connection at VA. Tighten hose connection and close VB. 在VA和VB之间安装旁路软管。开启VB，松开连接在VA上的软管连接排放空气。紧固软管连接，并关闭VB。
Close shutoff No. 1. Slowly loosen hose connection at TC# 2 until differential gauge rises to about 2 PSI then tighten. If the differential reading does not decrease record check valve as tight. 关闭1号关闭阀。慢慢松开连接在测试旋塞2号上的软管直到压差表上升到大约2PSI，然后紧固。如果压差读数没有降低，则记录止回阀为密封紧密。
Install bypass hose between VA and TC #4. Open VA, then bleed air by loosening hose connection at TC #4. Tighten hose connection. Close VA. 在VA和测试旋塞4号之间安装旁路软管。开启VA，然后松开连接在测试旋塞4号上的软管排放空气。紧固软管连接。关闭VA。
The fireman directed his hose at the flames. 消防队员将水龙头管对准火焰浇水。
Open TC#3, needle valve "B ", and vent needle valve. 开启测试旋塞3号，针形阀“B”，和排气针形阀。
Open TC#2 and needle valve "A", close needle valve "A" and TC #4. 开启测试旋塞2号和针形阀“A”，关闭针形阀“A”和测试旋塞4号。
Engine: Connect the lower radiator hose at the water pump. 0公升引擎：于水泵处连接下侧散热器软管。
Open TC #4 and flush test cocks Nos. 1, 2, and 3 on BF assembly, then close TC #4. 开启测试旋塞4号并冲刷BF总成上的测试旋塞1,2和3号，然后关闭测试旋塞4号。
Connect vent hose loosely to test cock #1. Open valve A to vent air from the vent hose. Tighten vent hose at test cock #1, open test cock #1. 将排气软管松弛地连接到测试旋塞1号。开启阀门A从排气软管处排出空气。紧固测试旋塞1号上的排气软管，开启测试旋塞1号。