C9 Marine Auxiliary and Generator Set Engines Caterpillar


Aftercooler Condensate Drain Valve - Inspect/Clean

Usage:

C9 C9A


图 1g00908758
(1) 回流管。 (2) 过渡接头。 (3) 阀。 (4)柱塞。 (5) 阀座。

发动机增压压力使柱塞 (4) 向下移到阀座 (5) 上。 压力为 27.5 kPa (4 psi)时,柱塞必须紧靠在阀座上。 当发动机停机时,没有增压使柱塞升到打开位置,使后冷器冷凝水排出。

当发动机运转时,柱塞必须运动自如,以便关闭系统。 当发动机停止时,柱塞必须运动自如,以便排出后冷器冷凝水。 发动机正常运转时的残留物能引起柱塞粘滞。

  1. 从过渡接头 (2) 卸下阀 (3)。 检查阀,以便确定柱塞 (4) 是否能运动自如。 如果柱塞运动不畅,用溶剂清洁阀。

  2. 卸下回流管 (1)。 检查管路是否堵塞。 必要时清洁管路。 可以使用压缩空气或柔性杆来清理管路。

  3. 重新安装后冷器冷凝水排放阀。 有关正确扭矩的资料,请参阅技术参数手册, SENR3130, "扭矩技术参数"。

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