R1600G Load Haul Dump Steering System Caterpillar


Steering Time - Check - STIC Steering

Usage:

R1600G 9YZ

  • 开动机器到开阔地,远离人群。

    1. 将机器停放在坚硬、干燥和水平的地面上。

    1. 确保转向机架锁处于存储位置。

    1. 以高怠速运转发动机。 将操纵手柄操纵杆移到后倾位置,以便将机油温度升至正常工作温度。

    1. 将作业机具从地面升离约 300 mm (12 in)。

    1. 将变速箱置于空档位置。

      注: 液压控制装置也应处于空档位置。

    1. 分离停车制动器。

    1. 释放行车制动器。

    1. 向左或向右铰接机器,直到机器停止铰接。

      注: 机器开始铰接时,开始测量转向时间。 转向时间测量到机器停止铰接为止。

    1. 发动机处于高怠速时,最大限度移动 STIC 转向控制装置并向相反方向铰接机器,直到机器停止铰接。 将结果记录下来。

    1. 重复步骤 10 以检查相反方向的转向时间。 将结果记录下来。

    1. 接合停车制动器,将作业机具降至地面上。

    1. 关停发动机。

    1. 每个方向的转向时间应为 3.2 ± 0.3 秒。 左转向时间和右转向时间的差值也应在 0.0 至 0.3 秒之间。 如果转向时间不正确,检查以下情况:

      • 检查转向安全阀

      • 检查转向泵流量

      • 检查先导油压力

      • 检查转向控制阀中的滑阀

      • 检查转向油缸活塞密封圈

    1. 如果故障依然未得到修复,参考步骤 16 至步骤 17。



      图 1g03346176

      转向控制阀

      (1) 锁紧螺母

      (2) 右转向调整螺钉

      (3) 锁紧螺母

      (4) 左转向调整螺钉

    1. 松开锁紧螺母 (1) 。 顺时针转动调整螺钉 (2) ,以便缩短右转向转向时间。 逆时针转动调整螺钉 (2) ,以便延长右转向转向时间。

    1. 拧紧锁紧螺母 (1) 至扭矩为 8 ± 1 N·m (70 ± 9 lb in)。

    1. 松开锁紧螺母 (3) 。 顺时针转动调整螺钉 (4) ,以便缩短左转向转向时间。 逆时针转动调整螺钉 (4) ,以便延长左转向转向时间。

    1. 拧紧锁紧螺母 (3) 至扭矩为 8 ± 1 N·m (70 ± 9 lb in)。

    1. 重复步骤 4 至 13。
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