EH 油系统检修作业指导书 I 目 次 1 范围 ................................................................................ 2 2 本指导书涉及的文件、技术资料和图纸 .................................................. 2 3 安全措施 ............................................................................ 2 4 备品备件准备 ........................................................................ 2 5 现场准备及工具 ...................................................................... 3 5.1 现场准备 .......................................................................... 3 5.2 专用工具 .......................................................................... 3 5.3 办理相关工作票 .................................................................... 3 6 检修工序及质量标准 .................................................................. 3 6.1 执行块解体 ........................................................................ 3 6.2 逆止阀检清扫、检查 ................................................................ 3 6.3 截止阀清扫、检查 .................................................................. 4 6.4 AST-OPC 电磁阀 .................................................................... 4 6.5 卸荷阀清扫、检查 .................................................................. 4 6.6 节流孔清扫、检查: .................................................................. 4 6.7 中压主汽门、调门执行机构电磁阀检查 ................................................ 5 6.8 执行机构入口滤网更换 .............................................................. 5 6.9 各部件装复 ........................................................................ 5 6.10 EH 油系统冲洗步骤 ................................................................. 5 7 检修记录 ............................................................................ 6 7.1 EH 油系统检查记录 ......................................................
