330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic Power Unit Machine Systems Caterpillar


Solenoid Valve (Negative Flow Control, Proportional Reducing Valve) - Assemble

Usage:

330D L B6H

组装步骤



    图 1g01210350

  1. 安装螺母 (11)。 拧紧螺母 (11),使其扭矩达到 4.9 ± 0.5 N·m (43 ± 4 lb in)。 安装 O 形密封圈 (12) 和 O 形密封圈 (13)。


    图 2g01210344

  2. 安装 O 形密封圈 (6)、 (8) 和 (9)。 安装支承环 (5)、 (7) 和 (10)。 对其余的阀总成重复上述步骤。


    图 3g01210343

  3. 安装阀总成 (1) 和螺栓 (2)。 拧紧螺栓 (2),使其扭矩达到 6.9 ± 0.7 N·m (61 ± 6 lb in)。 安装阀总成 (3)。 拧紧阀总成 (3) 至扭矩为 47.5 ± 2.5 N·m (35 ± 2 lb ft)。 安装六个螺塞 (4)。 拧紧六个螺塞 (4) 至扭矩为 6.9 ± 1.0 N·m (61 ± 9 lb in)

结束:

  1. 安装电磁阀(反向流量控制、比例减压阀)。 请参阅拆解和组装, "电磁阀(反向流量控制、比例减压阀)- 安装"。

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