BackSearch all videosMore Hunter Videos ▼Right-click on the video format below and select Save As...MOV | WMV下载Category: 现场知识Product Lines: 齿轮驱动旋转喷头Products: PGJ, SRM, PGP-ADJ, PGP Ultra, I-20Length: 快速提示Published: February 23, 2010 One of the most common reasons for a sprinkler to start leaking between the pop-up riser assembly and the body cap while it is in operation is because the riser seal is worn or there is debris between the seal and the riser
