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- ENGINE BLEED AIR CONTROL SYSTEM. 发动机引气控制系统。
- Attach hoses as shown. Bleed air from kit, close No. 2 shutoff. 如图所示接上软管。从组件上排放空气，关闭2号关闭阀。
- C. Attach hoses as shown. Bleed air from kit, close No. 2 shutoff. 按照图示连接软管。从组件上排放空气，关闭2号关闭阀。
- Open bleed valve "A" on top of test kit and bleed air from hose. 开启检测组件顶部的排气阀“A”，并且从软管排放空气。
- Open vent needle valve and bleed air from hose. Then close vent valve. 开启排气针形阀，并从软管排放空气。然后关闭排气阀。
- 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。
- There are fulse, kilowatt-hour meter,air switch and other elements,there are lead sealing holes on each metering space doors so as to provide sealing electric. 箱内装有熔断器、电度表、空气开关等元件，计量室门上均有铅封孔，能有效防止窃电。
- Bleed air from kit by opening TC #4 to establish flow through the backflow preventer and prevent premature opening of the relief valve. 通过开启测试旋塞4号从组件上排放空气，引导通过防回流阀的流体，防止安全阀过早开启。
- Air switch, contactor and thermo switch all adopt Schneider series products.Other appliances, such as relay, button switch, and indicator must use national famous products. 空气开关、接触器、热继电器均采用施耐德系列产品，其它继电器、按钮开关、指示灯等电器均采用国内名优产品；
- Open test cock then open needle valve "A" and vent or bypass needle valve. Bleed air from hose then close vent needle valve. 开启测试旋塞，然后关闭针形阀“A”、排气口或旁路针型阀。从软管中排气，然后关闭排气针形阀。
- First to shut off air switch, open power resource switch, then start cyclone fan and electric heater, and check to insure no creepage then heat the drum. 首先合上空气开关，打开总电源以开关，随后开启离心风机，开启所需功率的电加热器，并检查是否漏电，如正常，即进行筒身预热。
- 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。
- Due lack parts，for troubleshooting，interchanged bleed air regulator of R engine with L engine，running-up test normal. 由于航材缺件，为判断故障，左右发对串引气调节器，试车检查右发引气压力正常。
- Open vent needle valve and needle valve "A" to bleed air. Close needle valve "A". Open needle valve "B" to bleed air and then close "B" and vent needle valve. 开启排气针形阀和针形阀“A”，排放空气。关闭针形阀“A”。开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
- In the meantime, it is compared with high-pressure dewater system on system bleed air flow, ram air flow, system weight and system coefficient of performance. 并在系统引气量、冲压空气流量、系统重量、系统性能代偿损失等方面与现有高压除水系统进行了比较。
- Electric control board control all the operation of spray drying operation, it include voltage meter, electric current meter, AC thermograph, air switch, adjusting pressure meter, control meter, etc. 喷雾干燥工艺过程的操作、控制集中在电气控制柜上进行，电控柜由电压表、电流表、空气开关、交流接触器、可控硅调压表、温度显示、控制仪表，可控硅，大功率二极关等电气元件组成。
- The unit consists of auto air switch, tr ansformer, two-phase or three-phase bridge rectifier assem bly and AC contactor.The circuit configures short-circuit and over viltage protection devices. 电路设置有短路、过电压等保护措施，当受控电磁铁容量大于19千瓦时，整流变压器外附；
- Elements in the electric control cabinet shall be uniform.The air switch, soft starter, contactor and thermorelay, etc shall be produced by the same manufacturer, such as ABB, Siemens, Schneider, etc. 电气控制箱内的元器件应基本统一，空气开关、软起动器、接触器、热继电器等均应采用同一世界著名制造商的品牌，如ABB、西门子、施耐德。
- Bleed air at each test cock. 从每个测试旋塞排放空气。
- Air Switch Canister Purge Solenoid ASCPS 空气切换碳罐塞电磁阀
