ATBreatherSystem详解.ppt

AT 系列呼吸器系统 AT Breathing Systems 您的目的 Your Goal 了解AT系列呼吸器系统的现场调试及维修维护要求 To understand the field commissioning and maintenance requirements for the AT breathing systems. 进气系统 Air Intake 排气系统 Exhaust 涡轮增压器 Turbocharger 曲轴箱通风 Crankcase Ventilation 职责 Responsibilities 一些系统是由其他承橇商提供的。 Some systems are packager supplied. 负责启动的技师应确认这些系统的构造和设计。 Start-up technician should verify configuration and design of such systems. 进气系统 Air Intake 进气系统压力限制 Air Induction System Restriction Limits 在涡轮增压器入口的2英尺内测量 (包括空气滤清器，管线等等) Measured within 2 feet of turbo inlet (includes air filter, piping, etc.) AT27GL: 15 in. (254mm) 水柱 8L-AT25GL: 6 in. (152mm) 水柱 12V-AT25GL: 15 in. (254mm) 水柱 AT27GL: 15 in. (254mm) WC 8L-AT25GL: 6 in. (152mm) WC 12V-AT25GL: 15 in. (254mm) WC 最小进气管道直径  Minimum Air Inlet Pipe Diameter 8L-AT25GL All AT27GL 12V-AT25GL: 10 in. (25cm), 每个管道 10 in. (25cm), each pipe 不同现场的设计 Each Site Custom Designed 空气滤清器 Air Cleaner 当前的 AT系列空气滤清器 Current AT Air Filter 铰链安装 Hinged 双支柱 Dual struts 三个超高性能滤清器 Three VHP filters 通过上面和后面维护 Top or rear out 可配备Farr?离心式滤清器 Suitable for mounting Farr?centrifugal filters 超高性能空气滤清器 VHP air filters 维护指示器 Restriction indicator.  适配器上无应变 No strain on adapter. 污物吸收 Dirt Ingestion 基于进气温度和燃料温度的需求 Requirements Based on Intake Air Fuel Temperature 启动：启动所需的最低进气温度为4oC（利用中冷水加热) Starting: 40 deg F (4 deg C) minimum starting intake air temperature (use ICW heater). 运行： 较早的AT GL系列(没有空燃比调节模块)考虑到燃料和空气温度补偿，也许不得不加上空燃比调节模块(AFM) Operating: Older AT GL’s (without AFM) may have to have the AFM added to compensate for fuel and air temperature considerations. 排气系统 Exhaust Systems 进气/排气系统推荐方案 Intake/ Exhaust System Recommendations 参见瓦克夏技术数据手册 See Waukesha’s Tech Data books. 背压测量位置 BackpressureMeasurement Location 12V-AT25GL, 和所有的 AT27: 20 英寸 (51cm)水柱 12V-AT25GL, and all AT27: 20 in. (51cm) WC 8L-AT25GL: 12 英寸(31cm) 水柱 8L-AT25GL: 12 in. (31cm) WC BBC公司涡轮增压器 BBCTurboc