D7G2 Track-Type Tractor Power Train Caterpillar


Transmission Control Linkage - Adjust

Usage:

D7G 7MB

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

彻底阅读并理解解体与组装指南前,不要试图解体或组装此机器。 不正确的解体和组装步骤可能导致人身伤亡。


介绍

遵照此步骤来调整变速箱控制连杆。

调整步骤

  1. 把机器开到平整水平的路面。

  1. 降下机具。 接合停车制动器。 把发动机转到 OFF。

  1. 从操作台拆卸座椅和座椅下的板。



    图 1g01297811

  1. 拆下螺母 (2) 。 拆下螺母 (4) 。 移开控制杆 (1) 和控制杆 (3) 。 断开软管 (18). 拆下螺母 (16) 。 移开管 (17) 。 拆卸螺栓 (8) 。 拆下板 (7) 。

  1. 顺时针转动方向滑阀的凸轮 (6) 以将凸轮置于后退位置。

  1. 朝机器后部转动速度滑阀的凸轮 (5) 的顶部以将凸轮置于空档位置。



    图 2g01284023

    注: 进行调整前,确定螺母 (9) 、 (10) 和 (12) 已拧至扭矩 34 ± 4 N·m (25 ± 3 lb ft)。

  1. 拧松方向滑阀 (14) 的螺母。 调整滑阀 (14) 的长度以使滑阀端面与壳体 (13) 的表面 (A) 平齐。 将滑阀的螺母拧紧至 34 ± 4 N·m (25 ± 3 lb ft)。

  1. 拧松速度滑阀 (11) 的螺母。 调整滑阀 (11) 的长度以使滑阀端面与壳体 (13) 的表面 (B) 平齐。 将滑阀的螺母拧紧至 34 ± 4 N·m (25 ± 3 lb ft)。



    图 3g01297811

  1. 逆时针转动方向滑阀的凸轮 (6) 以将凸轮置于前进位置。

  1. 确保凸轮处于 (5) 空档位置。



    图 4g01284121

  1. 将变速箱操纵杆 (15) 置于空档槽内的前进位置。



    图 5g01297812

    (视图 A) 左侧视图

    (视图 B) 前视图

  1. 调整杆 (3) 以使销与销之间的距离为 292.2 ± 1.5 mm (11.5 ± 0.06 in)。 调整杆 (1) 以使杆的表面与端面之间的距离为 17 ± 1 mm (0.67 ± 0.04 in)。 拧紧锁紧螺母,使扭矩达到 12 ± 4 N·m (106 ± 35 lb in)。

  1. 用螺母 (2) 将连杆 (1) 固定至凸轮 (6) 。 调整杆 (1) 以使变速箱操纵杆处于前进位置。

  1. 用螺母 (4) 将连杆 (3) 固定至凸轮 (5) 。 调整杆 (3) 以使变速箱操纵杆处于空档位置。

  1. 用螺栓 (8) 将板 (7) 固定至变速箱壳体顶部。 用螺母 (16) 将管 (17) 固定至板顶部。 连接管路 (18) 。

  1. 检查变速箱操纵杆的工作情况。 安装座椅下的板和操作台座椅。 准备好要维修的机器。

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