324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems Caterpillar


Relief Valve (Pilot) - Install

Usage:

325D L A3R

安装步骤

注: 应始终更换 O 形密封圈、垫片和密封件。 用过的 O 形密封圈可能不再具有与新 O 形密封圈相同的密封特性。



    图 1g00713286

  1. 安装新 O 形密封圈 (2)、 (3) 和 (4)。


    图 2g00713285

  2. 将先导安全阀 (1) 安装到机油滤清器座上。 拧紧先导安全阀至扭矩为 117 ± 9 N·m (86 ± 7 lb ft)

  3. 检查液压系统油位。 请参阅操作和保养手册, "液压系统油位 – 检查"。

  4. 检查先导安全阀的压力。 请参阅测试和调整, "安全阀(先导) - 测试和调整"。

Caterpillar Information System:

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