D8R Track-Type Tractor Power Train Caterpillar


Transmission Hydraulic Control Valve - Disassemble

Usage:

D8R 7XM

拆解步骤

开始:

  1. 卸下变速箱液压控制阀。 请参阅本模块拆解和装配, "变速箱液压控制阀 - 拆卸"中的步骤。



    图 1g00618261

  1. 从板上拆下这些部件:两个螺栓 (2), 弯头, O 形密封圈 和 螺栓 (1) 和垫圈。

  1. 从选择器和压力控制阀 (3) 上拆下板。

  1. 从板和歧管上拆下选择器和压力控制阀 (3) 。

  1. 利用步骤 4.a 到 4.q 拆解选择器和压力控制阀 (3) 。



      图 2g00618262

    1. 拆下固定挡块 (4) 的销 (5) 。 拆下挡块 (4) 。



      图 3g00618272

    1. 从选择器和压力控制阀 (3) 的每侧拆下卡销 (6) 。

    1. 拆下滑阀 (7) 。



      图 4g00618264

    1. 从卡销 (6) 上拆下 O 形密封圈 (8) 。



      图 5g00618266

    1. 拆下固定挡块 (10) 的销 (9) 。 拆下挡块 (10) 。



      图 6g00618267

    1. 从选择器和压力控制阀 (3) 的每侧拆下卡销 (11) 。

    1. 从卡销 (11) 上拆下 O 形密封圈。

    1. 拆下滑阀 (12) 。



      图 7g00718086

      ------ WARNING! ------

      被弹簧力爆出的零件击中,会招致人员伤害。

      确保穿上所有必要的保护装备。

      遵照建议的程序,并使用所有建议的工具以释放弹簧力。


    1. 均匀、缓慢地拆下三个螺栓 (13) 。 拆下盖 (14) 。 从盖的背面拆下 O 形密封圈。



      图 8g00621262

    1. 从选择器和压力控制阀上拆下这些部件:活塞 (20), 弹簧 (18) 和 (17), 滑阀 (16) 和 缓动阀 (15) 。 从活塞 (20) 上拆下垫片 (19) 。



      图 9g00621263

      ------ WARNING! ------

      被弹簧力爆出的零件击中,会招致人员伤害。

      确保穿上所有必要的保护装备。

      遵照建议的程序,并使用所有建议的工具以释放弹簧力。


    1. 将滑阀 (16) 拆解成这些部件:挡圈 (25), 护圈 (24), 弹簧 (23), 柱塞 (22) 和 滑阀 (21) 。



      图 10g00621264

    1. 拆下弹簧 (27) 和滑阀 (26) 。



      图 11g00621265

      ------ WARNING! ------

      被弹簧力爆出的零件击中,会招致人员伤害。

      确保穿上所有必要的保护装备。

      遵照建议的程序,并使用所有建议的工具以释放弹簧力。


    1. 将滑阀 (26) 拆解成这些部件:挡圈 (30), 护圈 (29), 两个弹簧 和 滑阀 (28) 。



      图 12g00621272

    1. 从选择器和压力控制阀上拆下这些部件:定位销 (31), 挡块 (34), 缓动阀 (33) 和 滑阀 (32) 。

    1. 拆下定位销 (35) 和 (36) 以及挡块。



      图 13g00621273

    1. 从选择器和压力控制阀上拆下孔 (37) 。



      图 14g00621274

    1. 从孔 (37) 上拆下 O 形密封圈 (38) 。


注意

不要使用腐蚀性材料清洗变速箱液压控制阀部件。 腐蚀性清洁剂可能会损坏这些部件。


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